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Legrand Automatic Circuit Breaker 40A Triple-pole AC 403549
Automatic Circuit Breaker

Legrand Automatic Circuit Breaker 40A Triple-pole AC 403549

The Legrand 403549 miniature circuit breaker protects electrical installations against short circuits and overloads. It is three-pole, operates on AC, and has a C trip curve. Its breaking capacity is...

The Legrand 403549 miniature circuit breaker protects electrical installations against short circuits and overloads. It is three-pole, operates on AC, and has a C trip curve. Its breaking capacity is 6 kA according to IEC 60898-1 at 230/400 V~ and 6 kA according to IEC 60947-2 at 230/400 V~.

It can be busbar-connected using a pin or fork-type busbar and can...

See Description & Specifications See Description & Specifications
17 80 €
Delivery by Thu, 12 Nov
14,00 €   shipping cost
Sent from Greece
From Fotismos 5.0 (3)
5.0 (3 reviews)
Greece
See Electrical Panel Supplies on the page of Fotismos

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Product report

Description & Specifications

The Legrand 403549 miniature circuit breaker protects electrical installations against short circuits and overloads. It is three-pole, operates on AC, and has a C trip curve. Its breaking capacity is 6 kA according to IEC 60898-1 at 230/400 V~ and 6 kA according to IEC 60947-2 at 230/400 V~.

It can be busbar-connected using a pin or fork-type busbar and can be fitted with auxiliary contacts, shunt trips, locking accessories, and remote-control motors from the TX3 / DX3 range. It is not compatible with residual current protection blocks.

  • Number of poles: 3
  • Rated current: 40 A
  • Current type: AC
  • Trip curve: C
  • Operating voltage: 400 V~
  • Breaking capacity: 6 kA according to IEC 60898-1 at 230/400 V~ and 6 kA according to IEC 60947-2 at 230/400 V~
  • Size: 3 modules of 17.5 mm
  • Busbar compatibility: Pin or fork-type busbar
  • Accessory compatibility: TX3 / DX3
  • Residual current protection block: Not compatible

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Number of Poles
3
Rated Current
40 A
Operating Curve
Curve C

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 C

The most common in general installations, ideal for circuits with motors or electronic devices.

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.

17,80 €
14,00 €   shipping cost