System 1:  Cabinet product introduction W-TEL cabinets can be divided into the following types: By function: fireproof and antimagnetic cabinet, power supply cabinet, monitoring cabinet, shielding cabinet, safety cabinet, Water cabinet, safe, multimedia console, file cabinet, wall-mounted cabinet According to the scope of application: outdoor cabinets, indoor cabinets, communication cabinets, industrial safety cabinets, low-voltage distribution Electric cabinet, power cabinet, IDC server cabinet Extended classification: console, computer case cabinet, stainless steel case, monitoring console, industrial cabinet, standard cabinet, network cabinet. Features: 1. High-quality cold-rolled steel plate and electrostatic plastic powder coating surface, so that Rigidity and corrosion resistance of the cabinet. 1. Good ventilation and heat dissipation. 2. Large load-bearing capacity, can adapt to large-scale clothes server installation. 3. The overall layout is reasonable and the functions are complete. Standard 19-inch equipment Installation structure, cable fixing, management cabling, AC and DC power distribution modules. 4. Large effective equipment installation space. (1600mm high / 31U, 1800mm high / 36U,2000mm / 42U, 2200mm / 47U, 2600mm / 54U) Flexible equipment installation: equipment installation shelf up and down, front and back adjustable. 5. Good universality: suitable for large-scale integrated communication network machines room use. Suitable for remote communication room use. System 2: Cabinet configuration introduction Common configurations are: fan components, ODF units, fiber storage units, DDF unit, AC / DC power distribution, cable managers, power strips, trays, rails, ground protection copper bars. etc. System 3: Data center cold aisle introduction W-TEL cold aisle definition: The cold aisle is closed between the two rows of cabinets, and the cold air is obtained under the floor to form a cold aisle. Cold air passes through the rack and takes away the server's heat into the hot aisle. Reach the best air-cooling efficiency. Data center cold aisle working principle: Cold aisle system composition: 1. Cold aisle sliding door; 2. Pan side panels; 3. Cold aisle ceiling module; 4. Cold aisle isolation module; 5. Fire protection module; 6. Composed of precise air supply module for floor; 7. Cabinet. Cold aisle diagram:

W-TEL SPT MPPT Solar power system base station is a new generation of outdoor multi-energy integrated power system with MPPT function. The MPPT solar power system is composed by cabinet, air-con/heat-exchanger/TEC, monitoring, battery, grounding, fan system, lightening, AC+DC power distribution as well as user equipment space. High protection degree: IP55-IP66. Features: *Multi-energy power supply solution: Can be connected to solar energy, wind energy, utility power, DG to form different types of complementary power supply system. *energy-saving mode: Maximize energy saving, according to solar energy, wind energy priority, commercial power (DG) supplement, battery backup mode operation. *MPPT function: the maximum power point tracking accuracy is more than 99.5%. Efficiency≥96% (solar mode). *Battery management: Perfect battery management: guarantee the long life of the battery in the harsh grid environment. *Modular design: MPPT Module, Rectifier modules are modular hot-swappable, Flexible configuration, easy expansion and maintenance. *Protection degree: IP55, the high degree of protection cabinet and advanced temperature control design ensure reliable operation of the system in harsh outdoor environments. *Monitor: Providing one RS232 port, dry contact and other communication ports for network flexibility; Enabling proximal end software upgrade and unattended *Power statistic: Load electricity consumption, solar power, mains, DG, wind turbine generated energy W-TEL-MPPT Parameters Value Rectifier Rated input voltage Line voltage 380VAC 3-phase 5 line Input voltage range 85VAC~290VAC Frequency 45Hz~65Hz Maximum input current ≤55A PF ≥0.99 MPPT Solar Module Rated input voltage 68VDC Input voltage range 58VDC-150VDC Maximum input current ≤62A Output voltage range 42VDC-58VDC Rated voltage 54.0VDC Current 0-60A Efficiency ≥ 89%, pure electric mode (R48-3200); ≥ 95%, pure electric mode (R48-3200E); ≥ 96%, pure light mode Environment Operating temperature －20℃～＋45℃ Storage temperature －40℃～＋70℃ Relative humidity 5％RH～90％RH Altitude ≤ 2000m (derating is necessary) Plan 1: First,  the solar energy  power the load and charge the battery when the sunlight adequate ; when the sunlight is not enough the solar energy and battery will power the load at the same time; When the battery is low voltage, it can power to the load and charge the battery at the same time through the rectifier module. Plan 2: The PV supply DC current to loads and charge the battery under adequate light, it supplies to AC loads after DC transfer to AC by inverter. The remaining energy is feed back to the grid through on-grid inverter. The PV and battery supply current to loads together under insufficient light.

W-TEL-ESH container air conditioning are designed to meet the requirement of today's energy, power, communications and new retail industry facilities for prefabrication and modularization of the factory. They need an excellent environment; this require to control the temperature and the humidity inside the container. The container air conditioner system should satisfy unattended, automatic cold, heat control and humidity management, and expands the interoperability of data and information, while requiring special air conditioning with flexible structure, wide climate adaptability, high energy efficiency and excellent quality to meet the needs of user application. 1.This AC is designed for container specially and the unit is suitable for working in extreme environment. 2.The compressor, refrigerant parts, electrical elements, fans are world famous brand. It guarantees the reliability of AC. 3.Condenser and evaporator are finned tuber exchanger. The copper tubes are thicker internal thread pipes. Fins are hydrophilic aluminum foils and fins spacing is over 2.4mm. These reduce the maintenance and improve efficiency and anti-corrosion. 4.The PTC heater installed in AC and start temperature of heater ≧-35℃. 5.Outdoor temperature of cooling is -10~45℃ 6.Cooling temperature setting range is 20~30 ℃ ; heating temperature setting range is 10~20℃. 7.Indoor fan keeps working when AC start and the compressor(heater) works according with air-inlet temperature of indoor. Controlling accuracy is ±2℃. 8.Monitor the unit by RS485 communication. Cooling option: 12KW/22KW/35KW/45KW/50KW 1. Cooling testing： Indoor ambient: dry-bulb temperature 30℃，wet-bulb 23℃. Outdoor ambient: dry-bulb temperature 35℃. 2. Heating testing: Indoor dry-bulb temperature 20℃. will be confirmed by both sides before producing. Projects reference:

The power consumption for cooling system is a significant part, while accounting as 30-40% of the overall power consumption in a data center. Therefore, energy efficiency of HVAC cooling unit will be great attention. With the popularity of the green data center concept, the energy efficiency standards for precision cooling units keep increasing. More and more data centers are applying the air-con units with high energy efficiency and integration of free cooling function. W-TEL-PAE system air conditioner with high AEER system design and team work function which meets the cooling demand and reduce the PUE of the data center. Applications 1.Computer room and data center 2.Switch room and mobile station in telecommunication 3.High-tech environment and lab 4.Industrial control room and precision manufacturing workshop 5.Standard test room and calibration center 6.UPS and battery room 7.Test room in hospital Data center cooling system is mainly divided into room level refrigeration and array-level refrigeration, W-TEL-AAC array row air conditioner refrigeration solutions aimed at high density, micro module data center, it is close to the heat source, could realize the proximal refrigeration, thereby reducing energy consumption and the whole PUE value. High efficiency and energy saving, proximal air circulation., refrigeration loss minimization. High reliability, high flexibility, low cost. Flexible cooling capacity design, automatically cooling capacity adjustment according to the temperature change of equipment in machine room. Equipped with double EC fan, redundant design, automatically air volume adjustment according to the room temperature.

Product Type: Outer PVC coated, inner flexible GI steel conduit for wire protection Product Features 1, The flexible inner core is made from spiral wound hot dipped galvanized plated steel. Size 3/8 `` through 1-1 / 4 '' contains copper wire per UL requirement. Larger sizes are fully interlocked. Jacket is flexible PVC ..   2, It's widely used in the wire safety protection in industries including railways, automation, transportation equipment, aerospace, machinery and other areas where flexibility and exposure to High or Low temperature exit.    

Thread Specification Metric, PG Thread Product Material Nylon PA6 with silicone rubber seal Color Black, can be customized Working Temperature -40°C-105°C, short time 120°C Fireproof Level UL94 V0 Features The four bumps on the cap will interlock with the main body groove which can effectively solve the damage caused by vibration convolution. The eight claw on the top will cling to the corrugated shape to strengthen the tensile strength. Besides, the wave shape design of the seal reinforces the watertight protection level. 1, Choose the corresponding connector and the corrugated tube. 3, Insert the conduit inside the connector. 5, To disconnect, just screw the cap to the same direction and same indicating sound will be heard again.

For Telecom cabinets and battery compartment cooling W-TEL Air Conditioners are designed for strict climate control in cabinets with temperature-sensitive electronic or telecommunications equipment. The closed loop cooling systems maintain a clean internal environment ensuring optimum performance and maximum service life of the enclosed electronics. Easy-to-install air conditioners W-TEL Air Conditioners are mono-block, plug and play units, which can be installed in- or outside the Telecom cabinet. Compared with a split air conditioner, the W-TEL Air Conditioner is easy to install, as no cooling engineer is required for installation. High reliability W-TEL products have been put into operation online in large quantities, and have undergone and passed strict field test, also win many domestic bids for outdoor cabinet solutions and is often appointed as the exclusive cooperative partner of relevant telecommunication stations. Intelligent control W-TEL Air conditioners with high reliability and flexible expandability, and data can be uploaded via protocols and dry contacts for remote supervision.Offering dry contacts and intelligent communication interfaces such as RS232, RS485, etc.W-TEL Air conditioners with IP55 degree could work outside for your projects . High energy-saving efficiency W-TEL Air conditioners with high energy-saving efficiency, and the integral energy efficiency is greatly improved by employing energy-saving compressors and advanced control logic. Silent demand The 53dB(A) silence air conditioners are tailored for outdoor cabinets neighboring residential communities, where low noise is a primary requirement. AC & DC Air conditioners DC powered air conditioner for outdoor battery cabinet, solar or wind powered outdoor cabinet. These series of air conditioner use DC powered compressor, so the whole system can also work in those areas that have no AC power or when the AC power is failed. AC POWER AIR CONDITIONER Model Capacity(W) AC Input Power(W) Installation Temperature IP degree (KG) (H*W*D)MM W-300 300 220V±10% 50/60HZ 150 Door mount -40 to +55 55 15 500*320*175 W-500 500 220V±10% 50/60HZ 390 Door mount -40 to +55 55 20 550*320*175 W-1000 1000 220V±10% 50/60HZ 400 Door mount -40 to +55 55 25 750*450*200 W-1500 1500 220V±10% 50/60HZ 525 Door mount -40 to +55 55 31 750*450*200 W-2000 2000 220V±10% 50/60HZ 600 Door mount -40 to +55 55 55 1100*410*320 W-3000 3000 220V±10% 50/60HZ 950 Door mount -40 to +55 55 70 1315*545*292 W-4000 4000 220V±10% 50/60HZ 1750 Door mount -40 to +55 55 90 1400*670*350 (Parameter may changed without notification) DC POWER AIR CONDITIONER Model Capacity(W) DC Input Power(W) Installation Temperature IP degree (KG) (H*W*D)MM W-500 500 48V 190 Door mount -40 to +55 55 20 492*445*195 W-1000 1000 48V 320 Door mount -40 to +55 55 35 1170*470*170 W-1500 1500 48V 500 Door mount -40 to +55 55 40 1170*470*170 W-2000 2000 48V 830 Door mount -40 to +55 55 55 1200*500*200 W-3000 3000 48V 1000 Door mount -40 to +55 55 70 1315*545*292 (Parameter may changed without notification) Projects sites

For telecom projects and network solution W-TEL Heat ex-changer is a device that utilizes the natural cool resources to exchange heat between hot inside and cool outside of cabinet with limited power consumption. When there is large temperature difference, the device will effectively exchange heat between hot inside and cool outside through aisle from multi-layers and fins, which make the cabinet to be an enclosed system with temperature control, and equipment inside can work normally. Product feature： Enclosed air circuit cooling system design, effectively avoid contamination from outside. Avoid dew formation from too cold World-famous key components makes the system more stable. W-TEL unique half embed installation type, especially suitable for outdoor cabinet use. More installation type such as side and totally embed for option, convenient for customer installation. Compact structure, no filter design, and maintenance free. Be able to monitor remotely with RS485 communication interface. AC/DC power supply optional, DC fan is feature as VWF(frequency control of motor speed), lower energy consumption and noise. Tested before leave factory, performance and quality is assured. • Closed loop cooling: protects equipment against hostile ambient environment. • Passive cooling: uses air-to-air heat exchange, minimizes energy consumption. • Counter-flow core using patented plastic twin sheet technology and rifled tube channels providing high energy-efficiency. • Flame retardant: V-0 classified plastic • Carbon black in plastic core for none static electricity: longer maintenance intervals. • Light-weight plastic core to ease installation and decrease demands for cabinet wall or door hinges. • Light-weight and solid construction: manufactured from thin sheet metal parts. • Corrosion-proof construction: casing manufactured from thin sheet aluzinc metal– EN 10143 & EN 10327 • Easy installation: supplied with mounting fixtures and lifting handles. • Long service life for moving parts – high performance radial fans. • Energy-efficient fans: optimize power consumption. • Cooling strategy based on internal temperature set points. The cooling capacity relates to fan speed on internal and external circuit. • Temperature sensor situated on control board - eases plug and play • Hot spot temperature sensor for connection to the control board. Model Capacity(W/K) Noise(DB)A H*W*D(MM) KG IP Input Power Temperature W-60 60 60 640*190*420 15 55 220VAC/48VDC -40 to +55 W-80 80 60 700*190*420 16 55 220VAC/48VDC -40 to +55 W-100 100 61 1050*450*150 18 55 220VAC/48VDC -40 to +55 W-120 120 61 1050*450*150 25 55 220VAC/48VDC -40 to +55 W-150 150 63 1100*430*200 30 55 220VAC/48VDC -40 to +55 W-190 190 63 1100*430*200 40 55 220VAC/48VDC -40 to +55 (Parameter may changed without notification) Projects Site

For telecom projects and network solution W-TEL Integrated cooling units have combined AC air conditioners and DC heat ex-changers. With the change of indoor/outdoor temperature and humidity, they can switch working modes intelligently to realize the best operation and energy-saving efficiency. Meanwhile, the air conditioner and the heat ex-changer offer backup for each other, which can improve the reliability of the equipment. W-TEL integrated cooling unit has combined the air conditioner compressor cooling system and heat ex-changer. When the outdoor temperature is low, the heat ex-changer operates. When the outdoor temperature is high, the air conditioner operates. With its reasonable air path design and energy-saving control calculation, the control accuracy and energy-saving reliability of cabinet are greatly improved. W-TEL integrated cooling unit is mainly applied in broadband access network outdoor telecom cabinets, wireless access outdoor cabinets, Mini-shelter cabinets, etc. Features ·Reliable: Air conditioner and thermostatic system as backup heat dissipation function ·Energy saving: Different cooling mode for varied ambient, reducing the energy consumption ·Low noise: The noise level of unit can be reduced according to the heat load, silently operating in most time ·Corrosion protection: Powder coated sheet metal endures harsh environment ·Easy maintenance: IP55 designed for flushing „DC power fan & control system, AC compressor 50 / 60Hz general, applicable to global power ·User friendly interface: LCD display with English menu makes convenient operation ·Environment friendly: Using R134a refrigerant and RoHS requirement compliance ·Dedicated design: Delay Start setting for big current, especially when multiple units start at one site ·Monitoring: Provide comprehensive alarm and status report through RS485 interface for remote control Model Capacity H*W*D(MM) KG IP Temperature Installation Noise W-1-60 1KW(AC)+60W/K(HX) 1001*561*200 40 55 -40 to +55 Door/roof mount 60 W-1.5-80 1.5KW(AC)+80W/K(HX) 1001*561*200 42 55 -40 to +55 Door/roof mount 60 W-2-120 2KW(AC)+120/K(HX) 1002*562*205 55 55 -40 to +55 Door/roof mount 61 W-3-180 3KW(AC)+180W/K(HX) 1350*655*220 65 55 -40 to +55 Door/roof mount 62 (Parameter may changed without notification) Projects Site

Free cooling for BTS telecom shelter system W-TEL free cooling system saves energy and operating expenses at Telecom sites, where the application of traditional air conditioners has resulted in very high energy costs. By using free cooling, the overall thermal management running expenditure can be reduced by up to 90%. Free Cooling is cost-effective controlled ventilation: the Telecom shelter or enclosure is cooled by means of ambient air without a compressor. All of the W-TEL Free Cooling products operate with over-pressure delivering filtered air into the room, thereby ensuring a clean environment for the radio transmission equipment. Power supply: Voltage: -38V~-58V DC Working temperature range: Indoor: -10℃～+55℃, ＜95%RH（no condensation） Outdoor: -30℃～+55℃ Communication port:RS485 Features ·Well-known brand key components applied ·Intelligent control functions basing on indoor/outdoor temperature/humidity detection ·DC powered EC fan with speed variable control ·DC powered controller ·High energy efficiency ·Various co-operation functions with BTS air conditioner (up to 2 sets) ·Various communication modes for monitoring system RS485 communication interface as standard (with specific options) GPRS, TCP/IP ect. ·Fire alarm co-operation function ·English menu based operating interface with LCD display screen Free cooling type selection :(Air flow M3/H) W-TEL-FC1000 W-TEL-FC2000 W-TEL-FC3000 W-TEL-FC5000

For indoor & outdoor telecom network solution projects 1.Overview This is a small high-reliability environment monitoring unit developed to provide environment/device control and remote monitoring for communications base stations, integrated equipment rooms, and out-door cabinets. The monitoring unit monitors important environmental factors such as temperature, humidity, smog, water penetration, access control, vibration/leaning, main distribution frame (MDF), and surge protection device (SPD). When any value collected by a sensor exceeds the preset threshold, an alarm is sent through the LCD, buzzer, or system log. The monitoring unit also provides complete device detection functions, such as switch power status detection. Through a preserved custom interface (optional), the unit can be connected to another sensor in main contact point output type. 2.Features W-TEL monitoring unit is designed for the outdoor cabinet application. It height is 1U-2U and suitable for standard 19-inch rack mounting. Front cabling, friendly installation, greatly facilitating testing, field commissioning and remote monitoring to all sensors for customers. 1>20-channel digital signal input with optoisolators can access the smoke alarm, door alarm, water immersion, SPD, MDF alarm, input AC failure, LLVD. The fire alarm has the reset function that prevents wrong alarming 2>4-channel temperature detection can sense temperatures of the main equipment cabin and battery cabin respectively 3>Humidity detection can be used to sense the humidity of the main equipment cabinet 4>Optional Chinese/English display module facilitates parameter checking and setting on site 5>Relay output can be used for controlling lamps, emergency fans and electronic locks 6>With operating indicator, alarm indicator, and buzzer 7>Card-reader interface supports mainstream card-readers to realize smart access control functions with the help of electronic locks 8>Setting the LED in the cabinet to on/off when opening/closing the door through the access control function 9>W-TEL monitor can be connected to the air conditioner, heat exchanger, power supply, and electric meter through the isolated RS232/RS485 port 10>The main equipment offers standard isolated RS232/RS485/RS422 communication interfaces for direct connection to wired or wireless MODEM, and supports Ethernet, optical fiber, E1 and other interfaces via optional conversion interfaces 11>It also offers 5V, 12V and 24V output with short-circuit protection for external sensors and electronic locks, so that you need no additional power supply 3.Product Appearance Chassis dimensions (H x W x D) are 43.6 mm (1U) x 482.6 mm (19 inches) x 122 mm. Front cabling is adopted. The following shows the front panel of the chassis: Interface specifications 1) Power switch It is used to power on/off the device. 2) Power interface This device can be powered by AC or DC power supply. AC voltage range: 85 VAC to 300 VAC; DC voltage range: 20 VDC to 60 VDC 3) Liquid crystal display (LCD) It displays sensor status data and parameter configuration pages. 4) Buttons They are used together with the LCD for menu page up/down and parameter settings. UP: — Go to the previous page up (when viewing), or increase the parameter value (when setting); DOWN: — Go to the next page up (when viewing), or decrease the parameter value (when setting); OK: — Confirm the selection of a menu option (when viewing), or of a parameter value (when setting). 5) LEDs They show the operation and alarm status of the monitoring unit. Power LED: — It indicates that the device is powered on and running; Minor alarm: — It indicates a minor alarm; Major alarm: — It indicates a major alarm. 6) Sensor input interfaces Four current-type analog input ports, with 12 VDC power ports connected to temperature, or temperature and humidity combination sensors; Eight switch (dry contact) input ports, three of which with 12 VDC power ports connected to access control, smog detector, infrared detector, or SPD sensors; 7) Dry contact (relay) output interfaces Eight ports are available to send alarm signals to the upper-level alarm center, or to control the device’s startup/close-down. You can customize alarm rules, and associate any alarm signal with a relay among O1 to O8. Ports O1 to O4 output switch signals; Ports O5 to O8 control large-current devices such as fans and heaters. 8) RS485/RS232/Ethernet interfaces Four ports: A is an optional Ethernet port; B and C are fixed RS485 ports; D is an RS485/RS232 multiplex port that can be set to work in either RS485 or RS232 mode. Port A, D can be switch by the system automatically. Ports A and D are used to connect the remote computer or alarm center device; Ports B and C are used to connect other RS485-interface devices, such as the switch power, air conditioners, heat exchangers, and temperature and humidity sensors. (Note: Transparent data transmission and forwarding are supported. The complete monitoring functionality is to be developed based on standard communications protocols.)

TEC cooling system for small cabinet enclosure room of telecom battery W-TEL Peltier TEC 200 is a compact cooling system designed to remove excess heat from electronic equipment such as batteries in small enclosures thereby prolonging product service life in the enclosure. It is designed for installation in industry applications with a demand for long service life and minimum service. The unit utilizes the thermoelectric technology and is designed for 48V DC supply. It meets IP55 regulations and is therefore reliable for installation in both indoor and outdoor enclosures. WTEL Peltier TEC is widely used in battery compartment cooling in shelter or cabinets, small enclosure cooling and indoor/outdoor cabinets. Environment • Compact, robust and oxidation resistant construction • External fan with humidity protection and weather protected – ensures long service life of the system. • The only moving parts are the fans, which are high quality fans that require minimum maintenance and ensure long service life of the system. Heat Management • Compact thermoelectric cooling utilizing Peltier elements. • Two circuits (internal and external) – utilizing electric transfer of heat from inside to outside. Installation • Plug and play connection cables to ensure smooth installation • Thorough function, cooling performance and voltage testing from factory. Controller • Cooling/heating automatically. • Dry contactor alarming • Adjust fan speed • RS485 interface for local and remote monitor and control • Hydrogen discharge function (Control an external fan to run timely) (Parameter may changed without notification) Cooling & Heating Capacity W 200-420 Power consumption（cooling/heating) W 270-400 Input voltage range V DC -48V ~ 58V Dimension (HXWXD) including flange mm 400*180*211.5 Net weight KG 8.5 Mounting method Door/roof Operational temperature range ℃ -40 ~ +55 Storage temperature range ℃ -40 ~ +70 Storage humidity RH 5~95% Noise dB(A) 63 Protection from dust, water and wind driven rain according to EN 60529 IP Class 2 IP55 Color RAL 7035