Premium Air Circuit Breaker Solutions for Industrial Power Distribution

Shihlin Electric's 4000A air circuit breaker (ACB) delivers superior circuit protection with intelligent controller options, draw-out convenience, and multi-voltage ratings for demanding industrial applications.

Air Circuit Breaker - Shihlin Electric Air Circuit Breaker BW-4000
  • Air Circuit Breaker - Shihlin Electric Air Circuit Breaker BW-4000
  • Shihlin Electric Air Circuit Breaker BW-4000

Air Circuit Breaker

BW-4000

Rated Current 4000A

Breaking Capacity

Model

HS

HN

Icu / Ics

(kA)

690V

65 / 50

65 / 65

500V

65 / 50

90 / 90

380/400/415V

100 / 65

100 / 100

240V

100 / 65

100 / 100

Icw (kA)

1 sec

415V

65

85

690V

65

75

Features

  • Mounting type: Draw out type
  • Operation mode: Electric and manual operation
  • Number of poles: 3 and 4
  • Tripping categories: Intelligent controller, under-voltage instantaneous (or delay) release, and shunt release
  • Intelligent controller can be divided into two types based on functions: XSIC-A and XSIC-P
  • Under-voltage release has instantaneous and delay types.

Specification

  • Standard: IEC60947-2
  • Draw out type
  • Rated Current: 4000A
  • Pole: 3P / 4P
  • Frequency: 50 / 60Hz
  • Rated Voltage Ue: 690V
Certification
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Details

Shihlin All Product Catalog

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How can we ensure reliable power distribution protection for our high-capacity production equipment without frequent maintenance interruptions?

Shihlin Electric's 4000A air circuit breaker features a convenient draw-out design that allows quick replacement and maintenance without disrupting your entire electrical system. Combined with intelligent controller options (XSIC-A and XSIC-P) that provide real-time monitoring and protection, you can maintain continuous production while ensuring your equipment stays protected. Our 60+ years of manufacturing expertise guarantees the stability and reliability your factory demands.

Engineered with Shihlin Electric's 60+ years of OEM/ODM expertise, the 4000A air circuit breaker combines Japanese assembly techniques with high-stability components to ensure stable, dependable performance in critical industrial applications. The draw-out design facilitates easy installation and maintenance, reducing downtime and operational costs. Whether protecting factory automation systems, energy management infrastructure, or complex machinery integrations, this circuit breaker provides the advanced protection and control precision that industrial manufacturers and system integrators require to maximize efficiency and ensure continuous operational reliability.