40A Miniature Circuit Breaker with Overload and Short Circuit Protection
This miniature circuit breaker is designed for AC 50/60Hz, single phase 230V systems with rated current up to 40A. It offers protection against overload and short circuits, and can also be used for infrequent line conversion starts under normal conditions.
Technical Specifications
Overview
Reliable Circuit Protection
This miniature circuit breaker is designed for AC 50/60Hz systems, offering robust protection against overload and short-circuit faults. Featuring a 1P+N configuration and a rated voltage of 230V, it ensures safety for both personnel and equipment by quickly cutting off power during electrical anomalies. Compliant with international GB 10963.1 and IEC60898-1 standards, it is suitable for residential and commercial applications requiring dependable circuit control.
Electrical Specifications
Rated Voltage
230 V
Rated Voltage
Available Rated Currents
- 6
- 10
- 16
- 20
- 25
- 32
- 40
- Pole Configuration
- 1P+N
- Rated Breaking Capacity
- 4.5/6kA
- Tripping Curves
- Type BType C
Performance & Standards
Protection Class
IP20
- Mechanical Life
- 6000
- Electrical Life
- 4000
- Compliance Standards
- GB 10963.1IEC60898-1
Operating Conditions
- Ambient Temperature Range
- -5°C to +40°C
- Maximum Altitude
- 2000m
- Mounting Type
- Din rail embedded
- Wiring Method
- Screw terminal
Conductor Requirements
Recommended Conductor Cross-Section
| Rated Current (A) | Cross-Section (mm²) |
|---|---|
| ≤ 6 | 1 |
| 6 < In ≤ 13 | 1.5 |
| 13 < In ≤ 20 | 2.5 |
| 20 < In ≤ 25 | 4 |
| 25 < In ≤ 32 | 6 |
| 32 < In ≤ 50 | 10 |
