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乌兰察布XJM/J/S/P Electricity Meter Box
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Product Description
Overview
XJM 1J/S/P meter box (hereinafter referred to as meter box) is suitable for use as a metering device in AC 50HZ, voltage 220V, TN-C system (three-phase five-wire). The meter box complies with GB7251.3 "Low-voltage complete switchgear and control equipment" standard.
Model meaning
| XJM | - | 口 |
| Product Code | Number of circuits |
Conditions of use
• The ambient air temperature is not higher than 40°C and not lower than -5°C. The average temperature within 24 hours shall not be higher than +35°C.
• For indoor use, the altitude of the use location shall be ≤2000m.
• The relative humidity of the ambient air shall not exceed 50% at the highest temperature of +40°C; a higher relative humidity is allowed at lower temperatures, 90% at +20°C, and the influence of condensation that may occur accidentally due to temperature changes should be considered.
• The device should be installed in a place without severe vibration and impact, and where the electrical components are not subject to unnecessary corrosion.
• If the user has special requirements, they can negotiate with the manufacturer to resolve them.
Main technical parameters
| Project | Unit | Parameter |
| Rated insulation voltage | V | 500 |
| Rated working voltage main circuit | V | 200 |
| Rated frequency | Hz | 50 |
| Rated current | A | 40 |
| Isolating switch before meter | A | 45、63、100 |
| Circuit breaker after meter | A | 20、25、32、40、63、80 |
| Rated short-time withstand current | kA | 4.5、6 |
Installation dimensions
| Name | Overall dimensions (length x width x height) | Remark |
| One meter box | 380×580×185 | |
| Two meter boxes | 480×580×185 | |
| Three meter boxes | 660×580×185 | |
| Four meter boxes | 660×820×185 |
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