ABB F204 B-125/0.5 L RCD - 4P - Type B - 125A - 500mA

ABB F204 B-125/0.5 L RCD – 4P – Type B – 125A – 500mA

ABB F204 B-125/0.5-L 4 pole Type B residual current circuit breaker with 125 A rated current, 500 mA sensitivity and delayed high immunity operation for advanced industrial electrical protection.

SKU: F204 B-125/0.5LAlt SKU: F204 B-125/0.5-LMPN: 2CSF204523R4950
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Why Choose the ABB F204 B-125/0.5-L Residual Current Circuit Breaker?

The ABB F204 B-125/0.5-L is a professional 4 pole residual current circuit breaker (RCCB) designed to protect electrical installations against earth fault currents while providing advanced protection for circuits containing power electronic equipment. As part of the trusted ABB F200 Type B series, it delivers dependable residual current protection for commercial, industrial and specialist applications.

This RCCB features Type B residual current protection, enabling detection of alternating residual currents, pulsating DC residual currents and smooth DC earth fault currents. The High Immunity delayed operating characteristic helps reduce unwanted nuisance tripping while maintaining reliable earth leakage protection in demanding electrical environments.

With a 125 A rated current, 500 mA residual operating current and 4 pole configuration, the ABB F204 B-125/0.5-L is ideal for higher load three phase distribution systems where advanced residual current protection, fault protection and improved service continuity are required.

Key Advantages

  • Professional 4 pole RCCB for commercial and industrial installations.
  • 125 A rated current for higher load applications.
  • 500 mA residual current sensitivity for fault protection and fire protection applications.
  • Type B protection for AC, pulsating DC and smooth DC residual currents.
  • High Immunity delayed operation helps reduce nuisance tripping.
  • Suitable for installations with drives, inverters, UPS systems and power electronics.

Key Features

  • ABB F200 Type B RCCB series.
  • F204 B-125/0.5-L model.
  • 125 A rated current.
  • 500 mA residual operating current.
  • 4 pole configuration.
  • Type B earth leakage protection.
  • High Immunity delayed operating characteristic.
  • Compact DIN rail mounting design.

Advanced Type B Earth Leakage Protection

Residual current circuit breakers continuously monitor current flowing through live conductors and disconnect the electrical supply when dangerous earth leakage currents are detected. This helps protect electrical installations against insulation faults while improving safety in demanding environments.

The ABB F204 B-125/0.5-L is designed for applications where smooth DC fault currents may be generated by electronic equipment. Its Type B detection and delayed High Immunity characteristic make it suitable for installations with variable frequency drives, rectifiers, UPS systems, inverters and other power electronic loads.

Typical Applications

  • Variable frequency drive installations.
  • Industrial automation systems.
  • UPS and inverter systems.
  • Renewable energy and power conversion equipment.
  • Higher load commercial distribution boards.
  • Industrial three phase electrical distribution systems.

Technical Specifications

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Product Series ABB F200
Current 125 A
Phase Three Phase
Poles 4-pole
Device Type RCD
Residual Current 500 mA
RCD Type Type B
Manufacturer ABB
Series F200 Type B
Model F204 B-125/0.5-L
Product ID 2CSF204523R4950
EAN 8012542730439
Product type Residual Current Circuit Breaker (RCCB)
Rated current 125 A
Rated residual operating current 500 mA
Residual current type Type B
Operating characteristic Delayed High Immunity
Number of poles 4
Rated voltage 230/400 V AC
Frequency range 50 / 60 Hz
Standards IEC/EN 61008-1, IEC/EN 61008-2-1, IEC/EN 62423
Protection rating IP20 terminals, IP40 housing
Mounting type DIN rail
Product net width approx. 72 mm
Product net height approx. 85 mm
Product net depth approx. 75 mm
Built-in depth approx. 69 mm
Weight approx. 0.50 kg
HS Code 85363030
Country of Manufacture Germany

Frequently Asked Questions

What is the ABB F204 B-125/0.5-L used for?

It provides advanced Type B residual current protection for commercial and industrial electrical installations where smooth DC fault currents may occur.

What is the product ID for ABB F204 B-125/0.5-L?

The ABB product ID is 2CSF204523R4950.

What residual current sensitivity does this model provide?

This version provides 500 mA residual current sensitivity, commonly used for fault protection and fire protection applications.

Why would I choose a Type B RCCB?

Type B RCCBs detect AC, pulsating DC and smooth DC residual currents, making them suitable for variable speed drives, inverters, UPS systems and other power electronic equipment.

Where is this RCCB typically installed?

It is typically installed on a DIN rail inside commercial distribution boards, industrial switchboards or control panels.

Trusted by Electrical Professionals Worldwide

ABB F200 Type B residual current circuit breakers are trusted by electrical contractors, OEMs and industrial engineers for providing dependable protection in demanding installations containing modern power electronic equipment.