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Earth Leakage Circuit Breaker BL50-SN | Shihlin Electric

Shihlin Electric's Earth Leakage Circuit Breaker (ELCB) BL50-SN offers IEC 60947-2 compliant protection with 15-50A rated current, hydraulic magnetic design, and high-speed fault detection for industrial safety.

Professional Earth Leakage Protection for Industrial Applications

Shihlin Electric's ELCB BL50-SN delivers reliable earth fault protection with IEC 60947-2 compliance, multiple current ratings, and rapid response times for comprehensive industrial electrical safety.

Earth Leakage Circuit Breaker - Shihlin Electric Earth Leakage Circuit Breaker BL50-SN
  • Earth Leakage Circuit Breaker - Shihlin Electric Earth Leakage Circuit Breaker BL50-SN
  • Shihlin Electric Earth Leakage Circuit Breaker BL50-SN

Earth Leakage Circuit Breaker

BL50-SN

Rated current: 15, 20, 30, 40, 50A

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Breaking Capacity

Model

3P

4P

Icu

(kA)

440V

7.5

380V

7.5

220V

10

Ics = 50%Icu

Specification

  • Hydraulic magnetic
  • Standard: IEC60947-2
  • Rated current: 15, 20, 30, 40, 50A
  • Rated current sensitivity: 30 / 100 / 300 / 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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Shihlin All Product Catalog

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How can you ensure comprehensive earth fault protection while maintaining compliance with international electrical safety standards in your production facility?

Shihlin Electric's ELCB BL50-SN provides IEC 60947-2 certified earth leakage protection with rated currents from 15-50A and operating times as fast as 0.04 seconds, ensuring personnel safety and equipment protection. Our hydraulic magnetic design delivers reliable performance across 220V, 380V, and 440V systems. With over 60 years of OEM/ODM expertise, we deliver industrial-grade solutions backed by professional technical support. Let our specialists help you design a safety system tailored to your facility's specific requirements.

The BL50-SN's rapid operating times—as fast as 0.04 seconds in high-speed mode or 0.1-2.0 seconds in standard mode—provide critical protection during earth fault conditions, minimizing risk to personnel and preventing equipment damage. This advanced earth leakage protection device represents Shihlin Electric's commitment to delivering superior quality industrial electrical solutions combined with professional technical support. Whether integrating into OEM/ODM applications, factory automation systems, or standalone industrial installations, the ELCB BL50-SN ensures compliance with international safety standards while maximizing operational reliability. Contact our technical team today to discuss how our earth leakage circuit breaker solutions can enhance your facility's electrical safety infrastructure.