Air Circuit Breaker Type (ACB) Transfer Switch

ACB ATS Air Circuit breaker type 3 pole / 4 pole Automatic Transfer Switch - Starting from 800Amp to 6300Amp. Customers can select from desired brand and capacity ACB to be installed. The Standard ACB type ATS package includes ATS-01 (programmable ATS controller), TSP-01 (ATS Transformer Module), ACB (Air Circuit Breaker), all the connection harness and indoor enclosure (outdoor type is optional).

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Tel: +44 (0) 115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

ACB Rated Operating Current & AC Rated Breaking Capacity

Rated Current (A)
Ambient Temperature 40°C
Poles Version Type AC Rated Breaking Capacity
Sym r.m.s(KA)   IEC 60947-2 Icu/Ics
220V / 415V 440V 500V / 690V
800~1600(A) 3P & 4P Fix H1 65 65 65
H2 100 100 85
2000~3200(A) 3P & 4P Fix H1 75 75 75
H2 100 100 85

*For special high breaking capacity requirements, please contact us.


  • Modular design, for quick and easy component repair & replacement with emergency manual override
  • ATS-01 PLC -- ATS control module with total voltage monitoring/protections plus integral 7 day exerciser
  • TSP-04 Transformer Module -- worldwide voltages selection by simply moving plug connectors
  • The ATS is made with 2 interlocked ACB switches with individually integrated High Short Circuit Breaking Capacity & OCPD*1 optional ground fault trip available
  • ACB can be ordered rack or fixed mounted
  • Complies with IEC60947-6-1 Requirements*2
  • *1 OCPD : Over Current Protection Device
  • *2 IEC60947-6-1 Requirements :
    • IEC60947-6-1 Class CB : ATS provided with over current releases and the main contacts of which are capable of making and are intended for breaking short circuit currents.
    • IEC60947-6-1 Utilization Category AC-33A :
      1. Frequent operations.
      2. Motor loads or mixed loads including motors, resistive loads and up to 30% incandescent lamp.


Enclosure P/N. CA-3PACB CA-4PACB
H 2150 mm 2150 mm
W 1000 mm 1200 mm
D 1000 mm 1200 mm
Thickness 2.0 / 3.0 mm 2.0 / 3.0 mm
Fixed Type Floor Floor
Wire Portal Dimensions Bottom Open Bottom Open
IP Class IP33 IP33
Outdoor Enclosures Please contact us if rain-proof (for outdoor use) enclosure is needed.

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