Doepke Residual current circuit breaker DFS4 040-4/0.03B SKR 4014712152731

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Delivered between Wed, 15.4. and Tue, 21.4.
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Product details

The FI switch DFS4 040-4/0.03B SK from Doepke is a highly advanced residual current circuit breaker designed for use in single-phase and three-phase networks. It provides reliable protection for people, animals, and electrical systems by automatically interrupting the power supply in the event of dangerously high fault currents. With a compact design that occupies only four modular units, this switch is both space-saving and powerful. It can detect fault currents with frequencies ranging from 0 Hz to 150 kHz, making it particularly versatile. The large double-decker terminals allow for the connection of conductors with larger cross-sections, while the tripped position of the multifunction switch lever significantly facilitates troubleshooting. Additionally, the free labeling software supports easy labeling, simplifying installation and maintenance.

  • All-current sensitive for fault currents from 0 Hz to 150 kHz
  • High immunity to operational leakage and fault currents starting from 1 kHz
  • Suitable for mounting on DIN rails
  • Increased surge current and lightning resistance
  • Optimized for systems without fire protection requirements.

Key specifications

Circuit breaker type
Fault current circuit breaker
Mounting type
Top-hat rail
number of poles
4
Length
69 mm

General information

Item number
24873213
Manufacturer
Doepke
Category
Residual-current device
Manufacturer no.
09134988
Release date
24.10.2022
External links
Manufacturer's site (de)

Circuit Breaker Features

Circuit breaker type
Fault current circuit breaker
Mounting type
Top-hat rail
number of poles
4
Tripping characteristic
B
Rated current
40 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
China

Voluntary climate contribution

CO₂ emissions
25.15 kg
Climate contribution
CHF 0.59

Scope of delivery

Items per sales unit
1 pcs.

Product dimensions

Length
69 mm
Height
69 mm
Weight
480 g

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

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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.Siemens
    0 %
  • 4.ABB
    0.1 %

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.Max Hauri
    0.4 %
  • 2.Steffen
    0.6 %
  • 3.Eaton
    0.7 %
  • 4.Schneider Electric
    1.3 %
Source: Digitec Galaxus