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China JXF Low Voltage Distribution Box - Reliable Suppliers & Factory for 50Hz 500V Power Distribution Solutions
Model and Definitions
Use Environment and Conditions
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Altitude not exceeding 2000m;
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The ambient air temperature shall not exceed +40℃ and shall not be lower than -25℃;
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At +20℃, the monthly average relative humidity of the air is no more than 40%;
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A place without severe vibration and impact;
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There are no explosive hazardous areas, and there are no gases or conductive dust in the medium that can corrode metals or damage insulation.
Structural Characteristics
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Multiple series, multiple structures, welded, split, assembled; outdoor, indoor;
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A variety of double-door structures, safe and reliable to use;
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Multi-level protection P20, IP40, IP43, IP54, IP65; Can meet the needs of different places;
Dimensions (welded)
| Specification | High H(mm) | Width W (mm) | Deep D(mm) | Thickness of iron sheet | Structural Feature |
|---|---|---|---|---|---|
| 2520/14 | 250 | 200 | 140 | 1.2 / 1.5 | JXF comes in two types: surface mounted and concealed. JFF is divided into two types: metal doors and perspective window doors. The door panels are affixed with sealing rubber strips to prevent rainwater from seeping in. The box is equipped with upper and lower inlet and outlet holes, as well as an installation base. The inlet and outlet holes have been equipped with sealing plates at the factory, and the door opening angle is greater than 90°. JXF and JFF1 each have 25 specifications, while JFF2 has 18 specifications. |
| 3025/14 | 300 | 250 | 140 | ||
| 3025/18 | 300 | 250 | 180 | ||
| 3030/14 | 300 | 300 | 140 | ||
| 3030/18 | 300 | 300 | 180 | ||
| 4030/14 | 400 | 300 | 140 | ||
| 4030/20 | 400 | 300 | 200 | ||
| 5040/14 | 500 | 400 | 140 | ||
| 5040/20 | 500 | 400 | 200 | ||
| 5040/23 | 500 | 400 | 230 | ||
| 6040/14 | 600 | 400 | 140 | ||
| 6040/20 | 600 | 400 | 200 | ||
| 10080/30 | 1000 | 800 | 300 | 1.2 / 1.5 | As above |
Note: The cabinet dimensions can be determined based on the drawings provided by the customer.
Order Cargo Information
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Model;
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Installation method;
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Structural type and dimensions;
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System diagram and control schematic diagram;
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Special requirements will be resolved through negotiation.
Three-phase Direct-entry Meter Box

| Model | Configuration | Items | Specification | Quantity |
|---|---|---|---|---|
| BX-J101S | Table front | Disconnector | NH2-100/3P 100A | 1 |
| Table config | Breaker | DZ158-125/3P 80A | 1 |
Note: Main switch connection line BV16mm² or BV25mm²; Energy meter connection line BV10mm² or Bv16mm²


Single-phase Four-household Meter Box

| Model | Configuration | Items | Specification | Quantity |
|---|---|---|---|---|
| BX-J401Z | Total incoming | Breaker | NM1-100H/3300 | 1 |
| Outgoing | Disconnector | NH2-100/1 | 4 | |
| Incoming | Breaker | DZ47-60/2 | 4 |


Single-phase Eight-household Meter Box

| Model | Configuration | Items | Specification | Quantity |
|---|---|---|---|---|
| BX-K801Z | Total incoming | Breaker | NM1-225S/3300 | 1 |
| Outgoing | Disconnector | NH2-100/1 | 8 | |
| Incoming | Breaker | DZ47-60/2 | 8 |


Frequently Asked Questions
Q1: What is the maximum altitude for installing these meter boxes?
The altitude should not exceed 2000 meters for optimal operation.
Q2: What are the allowable ambient temperature limits?
The equipment is designed to operate between -25°C and +40°C.
Q3: What protection ratings (IP) are available for these enclosures?
We offer multiple protection levels including IP20, IP40, IP43, IP54, and IP65 to meet various environmental needs.
Q4: Can I request custom dimensions for the cabinets?
Yes, cabinet dimensions can be customized based on the specific drawings provided by the customer.
Q5: What materials are used for the box construction?
The boxes are typically constructed from iron sheets with thicknesses of 1.2mm or 1.5mm.

