Premium Air Circuit Breaker Solutions for Industrial Power Distribution

Shihlin Electric delivers high-capacity fixed-type air circuit breakers (630-2000A) with intelligent controllers, supporting 240V to 690V applications. IEC 60947-2 certified for reliable industrial motor protection and factory automation across 3P/4P configurations.

Air Circuit Breaker - Shihlin Electric Air Circuit Breaker BW-2000
  • Air Circuit Breaker - Shihlin Electric Air Circuit Breaker BW-2000
  • Shihlin Electric Air Circuit Breaker BW-2000

Air Circuit Breaker

BW-2000

Rated Current from 630 to 2000A

Product information

Model

HS

HN

Icu / Ics (kA)

690V

50 / 50

55 / 55

380/400/415V

80 / 50

85 / 85

240V

80 / 50

85 / 85

Icw (kA), 1 sec

400/415V

50

65

690V

50

55

Features

  • Mounting type: Fixed type
  • Operation mode: Electric and manual operation
  • Number of poles: 3 and 4
  • Tripping categories: Intelligent controller, undervoltage release, and shunt release
  • Controller options: XSIC-A, XSIC-P, DIC-A and DIC-H; functions depend on the selected controller
  • Undervoltage release: Instantaneous or time-delay type

Specification

  • Standard: IEC 60947-2
  • Mounting type: Fixed type
  • Frame size: 2000AF
  • Rated current: 630, 800, 1000, 1250, 1600, 2000A
  • Pole: 3P / 4P
  • Frequency: 50 / 60Hz
  • Rated voltage Ue: 690V AC
  • Insulation voltage Ui: 1000V AC
  • Rated impulse withstand voltage Uimp: 12kV
  • Neutral rated current: 100% In
  • Maximum total breaking time: 40ms
  • Maximum closing time: 80ms
  • Dimensions (H × W × D, mm):
  • 3P: 402 × 362 × 332
  • 4P: 402 × 455 × 332
  • Mechanical endurance with maintenance: HS: 20000; HN: 20000 operations
  • Mechanical endurance without maintenance: HS: 10000; HN: 10000 operations
  • Electrical endurance with maintenance: HS: 15000; HN: 15000 operations
  • Electrical endurance without maintenance: HS: 8000; HN: 8000 operations
  • HS type: 400V and 690V ratings are marked on the nameplate; other listed voltage ratings are for reference.
  • Operating temperature: -5°C to +40°C
  • Installation altitude: ≤ 2000m
  • Pollution degree: 3
Certification
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Applications

  • Power distribution and circuit protection against overloads, short circuits, undervoltage and ground faults (depending on the configured releases and controller).

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How can we ensure reliable motor protection and minimize production downtime in our high-capacity industrial facility?

Shihlin Electric's fixed-type air circuit breakers (630-2000A) with intelligent controllers provide exceptional short-circuit ratings up to 85kA and support multiple voltage configurations (240V-690V). Our IEC 60947-2 certified ACBs integrate seamlessly with factory automation systems, delivering precise motor control and comprehensive protection. With 60+ years of OEM/ODM expertise, we guarantee lasting technical support and stable performance for your critical operations. Contact our team to discuss your specific power distribution requirements and discover how our premium ACB solutions can enhance your facility's reliability and efficiency.

Engineered to IEC 60947-2 international standards, Shihlin Electric's air circuit breakers combine electric and manual operation modes with intelligent controllers, under-voltage release options, and shunt release capabilities. These features enable seamless integration into complex automation environments while maintaining energy efficiency and operational stability. With over 60 years of OEM/ODM partnership experience with world-class manufacturers, Shihlin Electric ensures that each ACB delivers consistent performance, precise motor control, and lasting technical support. Whether protecting high-power motor loads in steel mills, renewable energy installations, or manufacturing facilities, our fixed-type air circuit breakers provide the reliability, precision, and professional-grade protection that industrial operators demand for maximizing operational efficiency and minimizing downtime.