ABB FS403M-B20/0.03

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Product details

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.

  • Residual-current device with overcurrent protection (RCBO)
  • Type A residual current type for enhanced safety
  • Suitable for mounting on a DIN rail
  • Type B tripping characteristic for versatile applications.

Key specifications

Mounting type
Top-hat rail
number of poles
4
Length
68 mm
Width
72 mm

General information

Item number
59972519
Manufacturer
ABB
Category
Residual-current device
Manufacturer no.
2CCG001715R0001
Release date
6.7.2025

Colour

Colour
White
Exact colour description
White

Circuit Breaker Features

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

Origin

Country of origin
Switzerland

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
22.01 kg
Climate contribution
CHF 0.52

Scope of delivery

Items per sales unit
1 pcs.

Product dimensions

Length
68 mm
Width
72 mm
Height
91 mm
Weight
420 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Residual-current device» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Eaton
    0 %
  • 1.Siemens
    0 %
  • 4.ABB
    0.1 %
  • 4.Schneider Electric
    0.1 %
  • 6.Hager
    0.2 %

Warranty case duration

How 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?

Source: Digitec Galaxus
  • ABB
    Not enough data
  • Brennenstuhl
    Not enough data
  • Eaton
    Not enough data
  • Hager
    Not enough data
  • Max Hauri
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Residual-current device» category returned?

Source: Digitec Galaxus
  • 3.Eaton
    0.7 %
  • 4.Schneider Electric
    1.3 %
  • 5.ABB
    2.2 %
  • 6.Siemens
    3.4 %
  • 7.Hager
    5.2 %
Source: Digitec Galaxus