DBX-2000 Type Single-Phase Electricity Meter Box
DBX-2000 type electric meter box is a terminal distribution enclosure designed for installing single-phase electric energy meters (220V), primarily used for revenue metering and power distribution in civil buildings (residential apartments, houses, dormitories) and commercial outlets (retail shops, small offices). It provides a standardized, secure, and tamper-proof housing for utility-grade electricity metering equipment.
The enclosure accommodates one single-phase meter per unit, with dedicated physically separated compartments for the incoming utility service cable, the metering device, and the outgoing consumer-side overcurrent protection device. This clear utility-consumer demarcation meets the isolation requirements stipulated in electricity supply regulations.
Technical Specifications
| Item | Specification |
|---|---|
| Rated Voltage | 220V / 230V / 240V AC (single-phase) |
| Rated Frequency | 50Hz / 60Hz |
| Rated Current (Main Busbar) | Up to 100A |
| Meter Configuration | Single-phase, 1 meter per unit |
| Incoming Protection | Utility-side MCCB or double-pole isolator (up to 100A) |
| Outgoing Protection | Consumer-side MCB (up to 63A) |
| Degree of Protection | IP30 / IP40 (indoor) |
| Installation Type | Indoor, wall-mounted |
| Enclosure Material | Cold-rolled steel with anti-corrosion coating or engineering ABS plastic |
| Meter Reading Window | High-impact transparent polycarbonate |
| Locking Mechanism | Utility-standard padlock hasp or triangle-key lock |
| Operating Temperature | -25°C to +55°C |
| Standards | GB/T 7251, IEC 61439 |
Key Features
- Standardized Metering Enclosure: Purpose-designed for single-phase 220V electricity metering with standardized internal dimensions and mounting points ensuring compatibility with standard utility meter form factors and installation practices
- Clear Utility-Consumer Separation: Internal physical partition separates the utility-controlled metering compartment from the consumer-accessible distribution compartment, ensuring compliance with electricity supply regulations requiring physical separation between utility and consumer equipment
- Tamper-Evident Design: The metering compartment accommodates utility-standard wire-and-seal or padlock sealing mechanisms — any access attempt results in visible seal breakage, providing clear tamper evidence during meter reading or inspection
- Transparent Meter Reading Window: Impact-resistant polycarbonate window allows meter reading without opening the enclosure, maintaining seal integrity while enabling convenient visual or optical meter interrogation
- Integrated Overcurrent Protection: Dedicated consumer-side MCB provides short-circuit and overload protection for the downstream installation, housed in a separately accessible compartment for occupant convenience
- Durable Construction: Corrosion-resistant steel or UV-stabilized ABS plastic enclosure provides reliable long-term service in indoor environments
Applications
- Residential apartment buildings — individual apartment revenue metering
- Houses and villas — household electricity metering
- Commercial retail outlets and shops — tenant metering
- Dormitories — per-occupant electricity billing
- Utility revenue metering points — single-phase service connections