Doepke GmbH Residual current circuit breaker all-current sensitive DFS4 025-4/0,03-B SK 4pole 25/0,03A

Delivered between 6.1.2026 and 7.1.2026
Only 3 pieces in stock at third-party supplier
Supplied by
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rated current5

Product details

The Doepke RCD DFS4 025-4/0.03-B SK is a highly advanced residual current device designed for use in single-phase and three-phase networks. With a rated voltage of 400 V and a rated current of 25 A, this device provides reliable protection against hazardous fault currents. The switch has a compact design that occupies only four modular units, making installation on a DIN rail easier. The DFS4 025-4/0.03-B SK features a fault current sensitivity of 0.03 A, making it particularly suitable for applications where a high level of safety is required. Its robust construction and the ability to connect large conductor cross-sections make it an ideal choice for various electrical installations. Additionally, the switch is designed for operation in a temperature range of -25 to 40 °C, demonstrating its versatility.

  • Residual current device with 4 poles for single-phase and three-phase networks
  • Rated voltage of 400 V and rated current of 25 A
  • Fault current sensitivity of 0.03 A for enhanced personal protection
  • Robust construction with IP20 protection rating
  • Suitable for large conductor cross-sections from 1.5 to 50 mm².

Key specifications

Circuit breaker type
Fault current circuit breaker
Mounting type
Top-hat rail
Width
72 mm
Length
75 mm
number of poles
4
Item number
20348645

General information

Manufacturer
Doepke
Category
Residual-current device
Manufacturer no.
09124998
Release date
30.3.2022

Colour

Exact colour description
RAL number (similar)7035

Circuit Breaker Features

Circuit breaker type
Fault current circuit breaker
Mounting type
Top-hat rail
number of poles
4
Tripping characteristic
B
Rated current
25 A
Rated current
0.03 A
Rated voltage
400 V
voltage type
AC
Rated insulation voltage Ui
400 V
Residual current (rated differential current)
0.03 A
Protection type (IP code)
IP20

Origin

Country of origin
Germany

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Items per sales unit
1 pcs.

Product dimensions

Length
75 mm
Width
72 mm
Height
85 mm

Package dimensions

Length
9.10 cm
Width
8.50 cm
Height
7.40 cm
Weight
449 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
  • Doepke
    Not enough data
  • 1.Brennenstuhl
    0 %
  • 1.Eaton
    0 %
  • 1.Schneider Electric
    0 %
  • 1.Siemens
    0 %

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
  • Doepke
    Not enough data
  • ABB
    Not enough data
  • Brennenstuhl
    Not enough data
  • Eaton
    Not enough data
  • Hager
    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
  • Doepke
    Not enough data
  • 1.Brennenstuhl
    0 %
  • 2.Steffen
    0.4 %
  • 3.Schneider Electric
    1.1 %
  • 4.ABB
    2 %
Source: Digitec Galaxus