Product Overview
The ZR3BW series external circuit breaker for electricity meters is suitable for AC230/400V metering circuits and front-end power distribution of the meter, providing overload, short-circuit, and isolation protection. The product uses standard guide rails for installation, making wiring convenient and suitable for residential buildings, commercial parks, municipal power distribution, and metering box support.
Core parameters
- Shell current: 125A
- Rated current: 40A~125A
- Rated voltage: AC230V (1PN, 2P), AC400V (3PN, 4P).
- Number of poles: 1PN, 2P, 3PN, 4P
- Trip characteristics: C, D
- Mechanical lifespan: 20,000 cycles
- Maximum wiring capacity: 50mm²
- Installation method: TH35-7.5 standard rail
- Standard implemented: GB/T 10963.1
Product features
- Designed for front-end distribution and metering circuits of electric meters.
- Standard guid