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2CSF204006R3400 ABB FH204 AC-40/0.3 RCCB 4P Type AC 300 mA 40 A

2CSF204006R3400 ABB FH204 AC-40/0.3 RCCB 4P Type AC 300 mA 40 A

ABB FH204 AC-40/0.3 is a 4-pole Type AC residual current circuit breaker rated at 40 A with 300 mA residual current sensitivity for earth leakage protection in suitable three-phase electrical distribution applications.

SKU: 2CSF204006R3400Alt SKU: FH204AC400.3MPN: 2CSF204006R3400
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List Price £132.23 ex VAT
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Why Choose the ABB FH204 AC-40/0.3 RCCB?

The ABB FH204 AC-40/0.3 is a dependable 4-pole Type AC residual current circuit breaker (RCCB) designed to provide residual current protection in electrical distribution systems. As part of the ABB FH200 RCCB series, it provides earth leakage protection for circuits where sinusoidal alternating residual currents are expected.

The Type AC characteristic is designed to detect sinusoidal alternating residual currents. With a 300 mA rated residual operating current, the FH204 AC-40/0.3 is suited to earth leakage and installation protection applications where this sensitivity and Type AC detection are appropriate.

With a 40 A rated current and 4-pole configuration, the FH204 AC-40/0.3 is suitable for three-phase electrical distribution circuits requiring residual current protection across the active conductors. Its modular DIN-rail format supports convenient integration into commercial and industrial distribution boards.

Key Advantages

  • Type AC residual current protection for sinusoidal alternating residual currents.
  • 300 mA residual current sensitivity for earth leakage and installation protection.
  • 40 A rated current for suitable electrical distribution circuits.
  • 4-pole configuration for three-phase applications.
  • Residual current protection without integral overcurrent protection.
  • Compact DIN-rail mounting for modular distribution boards.

Key Features

  • ABB FH200 RCCB series.
  • Type AC residual current characteristic.
  • Detection of sinusoidal AC residual currents.
  • 40 A rated current.
  • 300 mA rated residual current.
  • 4-pole design.
  • Suitable for appropriate three-phase electrical distribution applications.
  • Residual current protection without integral overload or short-circuit protection.
  • DIN-rail mounting for modular electrical distribution equipment.

Reliable Type AC Residual Current Protection

RCCBs monitor the balance of current flowing through the active conductors of an electrical circuit and disconnect the supply when residual current to earth exceeds the device operating threshold. Type AC devices are designed to respond to sinusoidal alternating residual currents, providing protection for suitable circuits where this residual current waveform is expected.

The ABB FH204 AC-40/0.3 combines a 4-pole configuration with 300 mA sensitivity for earth leakage and installation protection in suitable three-phase systems. As an RCCB, it does not incorporate overload or short-circuit protection and should therefore be coordinated with suitable overcurrent protection as required by the installation design.

Typical Applications

  • Commercial three-phase electrical distribution systems.
  • Industrial electrical installations and distribution boards.
  • Three-phase circuits requiring 300 mA residual current protection.
  • Earth leakage and installation protection applications.
  • Circuits where sinusoidal AC residual currents are expected.
  • Modular electrical panels requiring 4-pole RCCB protection.

Technical Specifications

Series FH200
Order code 2CSF204006R3400
Product group F200 / FH200 RCCB
Product type Residual current circuit breaker (RCCB)
Residual current type Type AC
Number of poles 4
Rated current 40 A
Rated residual current 300 mA
Mounting type DIN rail

Frequently Asked Questions

What is the ABB FH204 AC-40/0.3 used for?

It is a 4-pole Type AC RCCB used to provide earth leakage and residual current protection in suitable three-phase electrical distribution circuits.

What is the rated current of the FH204 AC-40/0.3?

The ABB FH204 AC-40/0.3 has a rated current of 40 A.

What residual current sensitivity does this RCCB provide?

It has a rated residual operating current of 300 mA, making it suitable for earth leakage and installation protection applications where this sensitivity is specified.

What does Type AC mean on the FH204 AC-40/0.3?

Type AC means the RCCB is designed to detect sinusoidal alternating residual currents.

Does the FH204 AC-40/0.3 provide overcurrent protection?

No. The FH204 AC-40/0.3 is an RCCB and provides residual current protection without integral overload or short-circuit protection, so suitable overcurrent protection must be provided where required by the installation.

Trusted Residual Current Protection from ABB

ABB FH200 residual current circuit breakers provide modular residual current protection for commercial and industrial electrical distribution systems, with 4-pole FH204 models supporting suitable three-phase earth leakage protection applications.