ABB DS203NCA-C25/0,03 FI/LS switch DS203NCA-C25/0,03 6kA, 3P+N, type A, C 25, 3

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Delivered between 23.1.2026 and 30.1.2026
More than 10 pieces in stock at third-party supplier
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rated current3

Product details

The DS203NCA-C25/0.03 RCD/MCB switch from ABB is a highly advanced protective device that functions both as a residual current device (RCD) and as a miniature circuit breaker (MCB). With a rated voltage of 6 kA and a type C tripping characteristic, this switch provides reliable protection for electrical installations. It is designed for mounting on a DIN rail and is ideally suited for use in residential and commercial buildings. The switch has a rated current of 25 Amperes and a rated residual current of 0.03 Amperes, making it a safe choice for various applications. Manufactured in Italy, the DS203NCA-C25/0.03 meets the highest standards of quality and safety. This device is an essential element for ensuring electrical safety and protecting people and equipment.

  • Combination of residual current protection and circuit breaker
  • Rated current of 25 A for versatile applications
  • Type C tripping characteristic for high short-circuit currents
  • DIN rail mounting for easy installation.

Key specifications

Circuit breaker type
Miniature circuit-breaker/residual current circuit-breaker combination
Mounting type
Top-hat rail
Width
71 mm
Length
69 mm
number of poles
4
Item number
32155642

General information

Manufacturer
ABB
Category
Residual-current device
Manufacturer no.
2CSR256140R1254
Release date
16.11.2022

Colour

Colour
White
Exact colour description
White

Circuit Breaker Features

Circuit breaker type
Miniature circuit-breaker/residual current circuit-breaker combination
Mounting type
Top-hat rail
number of poles
4
Tripping characteristic
C
Rated current
25 A
Rated current
0.03 A
Rated voltage
500 V
voltage type
AC
Residual current (rated differential current)
0.03 A
Protection type (IP code)
IPX2

Origin

Country of origin
Italy

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Items per sales unit
1 pcs.

Product dimensions

Length
69 mm
Width
71 mm
Height
85 mm
Weight
480 g

30-day right of return if unopened
24 Months Warranty (Bring-in)
1 additional offer

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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.Schneider Electric
    0 %
  • 1.Siemens
    0 %
  • 5.ABB
    0.1 %
  • 6.Hager
    0.3 %
  • 7.Steffen
    0.5 %

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
  • 2.Steffen
    0.4 %
  • 3.Schneider Electric
    1.4 %
  • 4.ABB
    1.9 %
  • 5.Siemens
    3.1 %
  • 6.Eaton
    3.7 %
Source: Digitec Galaxus