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Earth Leakage Circuit Breaker BL250 | Shihlin Electric

Shihlin Electric's Earth Leakage Circuit Breaker BL250-SN offers rated currents 175-250A with adjustable thermal/fixed magnetic protection, 0.04-2.0s operating times, and IEC60947-2 compliance.

Professional Earth Leakage Protection for Industrial Safety

Reliable ELCB Solutions with Adjustable Thermal/Magnetic Control and High-Speed Response

Earth Leakage Circuit Breaker - Shihlin Electric Earth Leakage Circuit Breaker BL250-SN
  • Earth Leakage Circuit Breaker - Shihlin Electric Earth Leakage Circuit Breaker BL250-SN
  • Shihlin Electric Earth Leakage Circuit Breaker BL250-SN

Earth Leakage Circuit Breaker

BL250-SN

Rated current: 175, 200, 225, 250A

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Breaking Capacity

Model

3P

4P

Icu

(kA)

440V

25

380V

30

220V

50

Ics = 50%Icu

Specification

  • Adj. thermal / Fixed magnetic
  • Standard: IEC60947-2
  • Rated current: 175, 200, 225, 250A
  • 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
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Products

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How can we ensure maximum personnel safety while maintaining reliable equipment protection in our production facilities?

Shihlin Electric's BL250-SN earth leakage circuit breaker provides high-speed protection with selectable operating times as fast as 0.04 seconds, combined with adjustable thermal and fixed magnetic characteristics that enable precise coordination with your facility's existing electrical systems. Our 60+ years of industrial automation expertise ensures your protection strategy meets both safety standards and operational continuity requirements. Contact our technical team to discuss a customized protection solution for your manufacturing environment.

Shihlin Electric's BL250-SN earth leakage circuit breaker represents over 60 years of OEM/ODM expertise in delivering stable, high-precision industrial protection solutions. The combination of Japanese assembly techniques with high-stability components ensures reliable fault detection and rapid disconnection, minimizing downtime and protecting both personnel and critical equipment. With adjustable thermal characteristics and multiple sensitivity configurations, this ELCB enables engineers to design selective protection coordination strategies that enhance system reliability while maintaining operational efficiency. Whether integrated into factory automation systems, power distribution networks, or renewable energy installations, the BL250-SN delivers the professional-grade protection and technical support that industrial manufacturers and system integrators depend on to maintain continuous, safe operations.