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Hager Automatic Circuit Breaker 50A Triple-pole AC NDN350A
Automatic Circuit Breaker

Hager Automatic Circuit Breaker 50A Triple-pole AC NDN350A

The Hager NDN350A circuit breaker protects electrical circuits from short circuits and overloads, while allowing them to be isolated for maintenance work. It has a D trip curve and a rated voltage of...

The Hager NDN350A circuit breaker protects electrical circuits from short circuits and overloads, while allowing them to be isolated for maintenance work. It has a D trip curve and a rated voltage of 400 V AC.

  • Number of poles: 3
  • Rated current: 50 A
  • Trip curve: D
  • Current type: AC
  • Short-circuit breaking capacity at 230 V AC: 10 kA
  • Impulse withstand voltage:...
See Description & Specifications See Description & Specifications
53 45 €
Delivery by Thu, 12 Nov
14,00 €   shipping cost
Sent from Greece
From E-kousis 5.0 (5)
5.0 (5 reviews)
Greece
13 pieces
See Electrical Panel Supplies on the page of E-kousis

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Description & Specifications

The Hager NDN350A circuit breaker protects electrical circuits from short circuits and overloads, while allowing them to be isolated for maintenance work. It has a D trip curve and a rated voltage of 400 V AC.

  • Number of poles: 3
  • Rated current: 50 A
  • Trip curve: D
  • Current type: AC
  • Short-circuit breaking capacity at 230 V AC: 10 kA
  • Impulse withstand voltage: 6000 V
  • Protection rating: IP20
  • Electrical endurance: 4000 operating cycles
  • Mechanical endurance: 20000 operations
  • Label holder: Integrated
  • Connection cross-section for stranded cable at the outgoing terminal with screw: 1–25 mm²
  • Connection cross-section for solid cable at the outgoing terminal with screw: 1–35 mm²
  • Standards: EN 60898-1, IEC 60947-2
  • Operating temperature: -25 to 70 °C
  • Height: 83 mm
  • Width: 52.5 mm
  • Depth: 70 mm

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Number of Poles
3
Rated Current
50 A
Operating Curve
Curve D

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 D

It is used for heavy loads with high starting peaks, such as large motors and 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.

53,45 €
14,00 €   shipping cost