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Legrand Automatic Circuit Breaker 20A Triple-pole AC 404127
Automatic Circuit Breaker

Legrand Automatic Circuit Breaker 20A Triple-pole AC 404127

The Legrand 404127 miniature circuit breaker protects three-phase AC circuits against overcurrent. It has a B trip curve and a rated current of 20 A. It mounts on a TH35 rail and connects using comb...

The Legrand 404127 miniature circuit breaker protects three-phase AC circuits against overcurrent. It has a B trip curve and a rated current of 20 A. It mounts on a TH35 rail and connects using comb busbars or pin busbars.

It is 3 modules wide (17.5 mm each) and has a black operating lever. It can be fitted with auxiliary contacts, coils and mechanisms from...

See Description & Specifications See Description & Specifications
55 90 €
Delivery Mon, 16 Nov - Fri, 20 Nov
14,00 €   shipping cost
Sent from Greece
From Getters 4.6 (112)
4.6 (112 reviews)
Greece
13 pieces
See Electrical Panel Supplies on the page of Getters

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Product report

Description & Specifications

The Legrand 404127 miniature circuit breaker protects three-phase AC circuits against overcurrent. It has a B trip curve and a rated current of 20 A. It mounts on a TH35 rail and connects using comb busbars or pin busbars.

It is 3 modules wide (17.5 mm each) and has a black operating lever. It can be fitted with auxiliary contacts, coils and mechanisms from the DX3 range.

  • Type: Miniature circuit breaker
  • Number of poles: 3
  • Rated current: 20 A
  • Current type: AC
  • Trip curve: B
  • Rated short-circuit breaking capacity according to IEC 60898-1: 10000 A at 230/400 V~
  • Rated short-circuit breaking capacity according to IEC 60947-2: 16 kA at 230/400 V~
  • Voltage: 400 V~
  • Width: 3 modules of 17.5 mm
  • Mounting: On a TH35 rail
  • Connection: Using comb busbars or pin busbars
  • Operating lever: Black
  • Accessory compatibility: Auxiliary contacts, coils and mechanisms from the DX3 range

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Number of Poles
3
Rated Current
20 A
Operating Curve
Curve B

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 B

Suitable for domestic circuits and lighting, it activates quickly at low overcurrents.

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.

55,90 €
14,00 €   shipping cost