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Abb Automatic Circuit Breaker 4A Triple-pole AC 70420
Automatic Circuit Breaker

Abb Automatic Circuit Breaker 4A Triple-pole AC 70420

The ABB S203M-K4 miniature circuit breaker is mounted on a DIN rail and protects motors, transformers, and auxiliary circuits from overloads and short circuits. Its K curve makes it suitable for loads...

The ABB S203M-K4 miniature circuit breaker is mounted on a DIN rail and protects motors, transformers, and auxiliary circuits from overloads and short circuits. Its K curve makes it suitable for loads with high inrush currents in residential, commercial, and industrial installations. It features safety screw terminals with a dual chamber, a separate chamber...

See Description & Specifications See Description & Specifications
50 61 €
Delivery Fri, 13 Nov - Thu, 19 Nov
14,00 €   shipping cost
Sent from Greece
From Papantoniou 4.5 (31)
4.5 (31 reviews)
Greece
20+ pieces
See Electrical Panel Supplies on the page of Papantoniou

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Product report

Description & Specifications

The ABB S203M-K4 miniature circuit breaker is mounted on a DIN rail and protects motors, transformers, and auxiliary circuits from overloads and short circuits. Its K curve makes it suitable for loads with high inrush currents in residential, commercial, and industrial installations. It features safety screw terminals with a dual chamber, a separate chamber for busbars and wires, and captive screws that remain attached to the body.

The markings and labels are laser-printed and include wiring information and technical specifications. The circuit breaker has red and green on/off indicators and complies with IEC/EN 60898-1 and IEC/EN 60947-2 standards.

  • Type: DIN rail miniature circuit breaker
  • Poles: 3
  • Rated current: 4 A
  • Operating voltage: 400/440 V AC
  • Frequency: 50 Hz
  • Trip curve: K
  • Short-circuit breaking capacity: 10 kA
  • Degree of protection: IP20
  • Degree of protection with cover: IP40
  • Color: Light grey (RAL 7035)
  • Standards: IEC/EN 60898-1, IEC/EN 60947-2

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Number of Poles
3
Rated Current
4 A
Operating Curve
Curve K

Operating Curve

The tripping curve shows the time required for the circuit breaker to switch off in relation to the current passing through it. For small overcurrents, the tripping is delayed to avoid unnecessary interruptions, while for very high values, such as in the case of a short circuit, the breaker operates immediately to protect the circuit. Different types of curves are used depending on the needs of each installation and the type of loads.

Curve K

Designed for loads with relatively high starting currents, such as motors or lower power transformers.

Power Supply

AC
Yes
DC
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

50,61 €
14,00 €   shipping cost