Earth Leakage Circuit Breaker BL400-HN | Shihlin Electric
Shihlin Electric's BL400-HN earth leakage circuit breaker offers superior protection with 250-400A rated current, IEC60947-2 certified, and thermal magnetic technology for industrial safety.
Earth Leakage Circuit Breaker
BL400-HN
Rated current: 250, 300, 350, 400A
Breaking Capacity
|
Model |
3P |
4P |
|
|
Icu (kA) |
440V |
42 |
|
|
380V |
50 |
||
|
220V |
85 |
||
Ics = 50%Icu
Specification
- Thermal magnetic
- Standard: IEC60947-2
- Rated current: 250, 300, 350, 400A
- Rated current sensitivity: 30 - 100 - 500mA (high speed) ; 100 - 300 - 500mA
- Pole: 3P / 4P
- Operating time: 0.04s (high speed) ; 0.1 - 0.4 - 0.8 - 2.0s
- Certification
-
-
ISO14001 -
TPM -
CNS -
ISO9001 -
CE
-
- Files Download
- Related Products
-
Popular Products
Download 
How can you ensure comprehensive electrical safety protection across your entire manufacturing facility's power distribution network?
Shihlin Electric's BL400-HN earth leakage circuit breaker provides multi-level residual current protection with rated currents from 250A to 400A, meeting IEC60947-2 international standards. With configurable sensitivity options (30-500mA) and rapid operating times as fast as 0.04 seconds, your manufacturing operations gain reliable fault detection and personnel protection. Our 60+ years of industrial expertise ensures seamless integration with your existing power systems. Contact our technical team today to specify the optimal ELCB configuration for your facility's unique requirements.
As a trusted provider with over 60 years of OEM/ODM partnership experience, Shihlin Electric delivers earth leakage circuit breakers that maximize operational efficiency while ensuring personnel safety and equipment protection. The BL400-HN's thermal magnetic design eliminates nuisance tripping while maintaining rapid response to genuine earth faults, making it the ideal choice for manufacturing facilities, industrial automation systems, and critical power distribution applications. Our professional technical support team stands ready to assist with integration, configuration, and ongoing maintenance, ensuring your facility maintains the highest safety standards and uninterrupted operational performance.