The ABB FS403M-B20/0.03 is a highly advanced circuit breaker that serves both as a residual current circuit breaker (RCBO) and as overcurrent protection. With a rated voltage of 400 V and a rated current of 20 A, this device is designed for use in various electrical applications. It provides reliable protection against overload and fault currents, making it an essential component of electrical safety. The circuit breaker is suitable for mounting on a DIN rail and features a type B tripping characteristic, which is appropriate for most applications in residential and commercial buildings. With an IP20 protection rating, the device is intended for use in dry indoor environments. Its compact design allows for easy integration into existing switchgear.
Circuit breaker type | Miniature circuit-breaker/residual current circuit-breaker combination |
Length | 68 mm |
Width | 72 mm |
number of poles | 4 |
Mounting type | Top-hat rail |
Item number | 59972519 |
Manufacturer | ABB |
Category | Residual-current device |
Manufacturer no. | 2CCG001715R0001 |
Release date | 6.7.2025 |
Colour | White |
Exact colour description | White |
Circuit breaker type | Miniature circuit-breaker/residual current circuit-breaker combination |
Mounting type | Top-hat rail |
number of poles | 4 |
Tripping characteristic | B |
Rated current | 20 A |
Rated current | 0.03 A |
Rated voltage | 400 V |
voltage type | AC |
Residual current (rated differential current) | 0.03 A |
Protection type (IP code) | IP20 |
Country of origin | Switzerland |
Manufacturer commitment | SBTi |
CO₂-Emission | |
Climate contribution |
Items per sales unit | 1 Piece |
Length | 68 mm |
Width | 72 mm |
Height | 91 mm |
Weight | 420 g |
Product Safety |
How often does a product of this brand in the «Residual-current device» category have a defect within the first 24 months?
Source: GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
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How often is a product of this brand in the «Residual-current device» category returned?
Source: Galaxus