Single Wall Stainless Steel Heat Insulation 38U Outdoor Telecom Cabinet 750x700x2000 With DC Air Conditioner
1. Application Scope
The ET7570200 Outdoor Telecom Cabinet is mainly used in communication base station, such as 4G
system, communication/network integrated service, access/transmission switching station, emergency
communication/transmission, etc.
2. Cabinet Introduction
2.1 Cabinet Material
The cabinet is made of stainless steel.
(1) For front door, roof, two side panels and back panel: outer wall is 1.6mm stainless steel 304, inner wall
is 20mm PEF heat insulation.
(2) Plinth: outer wall is 2.0mm stainless steel 304, inner wall is 20mm PEF heat insulation.
The cabinet is assembled type.
2.2 Cabinet Structure
The cabinet includes one compartment,there is 19” rack form up to down, 38U space.
2.3 Cabinet Door and Lock
The door opening angle is larger than 110°and the door limit device can limit the opening angle. The lock
is theftproof three point lock, supporting padlock.
3. Features
3.1 The cabinet is dustproof, sunproof and rainproof, which is used in outdoor environment.
3.2 The cabinet cooling use one air conditioner, which work in alternation to continuously keep
thermostatic inside the cabinet.
3.3 The layout of the cabinet is reasonable, which will facilitate cable access, fixing and grounding. On the
back of the cabinet, there are entrance holes individually for power cable, signal cable and optical cable.
3.4 All the cables, sealing and heat insulation used in the cabinet are made from flame retardant
materials.
3.5 The cabinet uses assembled structure, easy for installation.
3.6 The cabinet includes 19” standard installation rack.
4. Technical Specs
(1) Applicable environment conditions:
Environment temperature: -40°C ~ + 70°C
Environment humidity (RH): ≤95% (at + 40°C)
Air pressure: 62kPa ~ 102kPa
(2)Material: quality stainless steel
(3)Surface treatment: degreasing, derusting, rustproof phosphating (or galvanizing), powder coated.
(4)Cabinet load bearing: ≥600kg
(5)Ingress protection: IP55
(6)Flame retardance: comply with GB5169.7 test A
(7)Insulation resistance: the insulation resistance between grounding devices and cabinet body parts is
not lower than 2X104M/500V(DC).
(8)Withstand voltage: the withstand voltage between grounding devices and cabinet body parts is not
lower than 3000V(DC)/1min.
(9)Mechanical strength: each surface can bear upright pressure＞980N; after the door is open, its outer
end can bear upright pressure ＞200N.
(10)Technical Parameters List
| Item | Type | Technical Parameter |
| Structure | Dimension | External Size W×D×H 750×700×2000mm |
| Layout | One compartment |
| Equipment Installation Method | 19” standard rack |
| Door | With one front door ,and anti-theft three point lock for outdoor cabinet (support padlock) |
| Material | Single layer stainless steel + heat insulation : Front door, roof, two side panels and back panel: outer wall is 1.6mm stainless steel 304, inner wall is 20mm PEF heat insulation. Plinth: outer wall is 2.0mm stainless steel 304, inner wall is 20mm PEF heat insulation. |
| Structure | Assembled |
| Ingress Protection | IP55 |
| Coating | Anti-corrosion outdoor powder coating grey RAL7032 |
| Temperature Control | Cooling | DC48V Air Conditioner and fans |
| Lighting | LED lamp | 48V LED lamp |
| Temperature | Temperature | Working Temperature: -40°C ~ +55°C |
| Storage Temperature: -50°C ~ + 70°C |
| Transport Temperature: -50°C ~ +70°C |
| Humidity | Relative Humidity | 5% ~ 100% |
| Pressure | Air Pressure | 62kpa ~ 101kpa (similar to 0m ~ 5000m altitude) |
| Radiation Intensity | Solar Radiation Intensity | 1124 × (1±5%)W/m2 |
(11) Accessories List
| No. | Item | Quantity | Unit | Specs |
| 1 | Outdoor Telecom Cabinet | 1 | Set | (1)38U 19" rack (2)With one front door, and anti-theft three point lock(support padlock) (3)Grounding Protection: copper bar at the bottom of the cabinet (4)Including cable entry on the back, including 10 glands, besides, we configure extra 12 glands packed in the cabinet (5) 25 mm² DC cable, packed in the cabinet. (6) Installation bolts of plinth, packed in the cabinet |
| 2 | Air Conditioner | 1 | Set | Cooling Capacity: 2000W; Power Supply: DC48V On the front door |
| 3 | Fan | 2 | Set | DC48V, on the front door, used for the back up of air conditioner |
| 4 | Power Distribution Unit | 1 | Set | (1)One 100A incomer breaker as isolater (2)DC bus bar (3)Two units of DC distribution boxes, serve as 1+1 for the trasmission equipment, each box contain the followong load breaker, used for connecting to DC48V air conditioner and radio euquipment. Load Breaker: 5A*10 10A*5 15A*5 32A*4 |
| 5 | DDF | 1 | Set | (1)Model:MPX108-SM16 (2) Capacity: 16 system (3) Size: H×W×D 110×485×95mm (4) Connection method: SIEMENS mode (5) Including cable and related accessories, cable head specifications: 75-2-1 |
| 6 | Environment Monitoring System | 1 | Set | Model: NEM-500 1* environment monitoring unit; 1* smoke sensor; 1* water sensor; 1* temperature&humidity sensor; 1* tilt &shock combination sensor; 1* door sensor power supply: DC48V Communication Protocol: RS485 and SNMP |
| 7 | LED Lamp Sensor | 1 | Set | Used for Controlling LED lamp on/off |
| 8 | LED Lamp | 1 | Pc | DC48V |
| 9 | Package | 1 | Set | Wooden Case |
Dimension Diagram
Cabinet External Dimension (W×D×H):750×700×2000mm (excluding air conditioner)
5. Grounding Protection
(1)The cabinet includes grounding copper bar with anti-corrosion coating, with 120mm2 sectional area.
There are enough screws for wiring connection terminals.
(2)The metal part of the cabinet should be interconnected and be connected with grounding bar.
Connection resistance between any two points is lower than 0.1Ω.
(3)Protective earthing of other equipments inside the cabinet should be connected to the grounding bar.
6.Removable Roof
There are 12 pcs of screws on the cabinet roof, as shown below picture. Unscrew the screws from the
inside roof, then the roof can be removed, the diagram is as below.
Notes: inside the top, 3 pcs of srews on left side and 3 pcs of srews on right side are concealed by the
inner side insulation cotton. The insulation cotton is required to be folded down a little, then the screw can
be seen.
Besides, the roof has ventilation hole, as shown below picture
