Products

MCB NXB 4P 6kA

Overview

Overload protection, short circuit protection and isolation. It is widely used in building power distribution, industrial power distribution,
as well as control and protection for a variety of equipment with an operating current not exceeding 125A.

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Description

Description

  1. Compliant standards

IEC60898-1

      2. Technical parameters (General characteristics)

  • Overload protection, short circuit protection, positive isolation
  • Rated current In: 1 / 2 / 3 / 4 / 6/ 10 / 16 / 20 / 25 / 32 / 40 / 50 / 63A
  • Rated voltage: 220V-/415V
  • Frequency: 50 Hz
  • Magnetic tripping curves:

– B curve (between 3 -5 In)

– C curve (between 5 -10 In)

– D curve (between 10 – 20 In)

  • Number of poles: 1P, 1P+N, 2P, 3P, 3P+N, 4P
  • Mechanical life: 20000 cycles
  • Electrical life: 10000 cycles
  • Rated short-circuit breaking capacity (Icn): 6000A
  • Short-circuit breaking capacity (Ics): 6000A
  • Rated impulse withstand voltage (Uimp): 4kV
3.  Ambient temperatures
  • Operation: from – 35 ℃ to 70 ℃
  •  Storage: from -35 ℃ to 85 ℃
4. Contact indicator window

    By front face marking:

  •    “O-OFF” = contacts open (Green window)
  •     “I-ON” = contacts close (Red window)
5. Preparation connect
  • Power supply:

From the top or the bottom

  • Connection:

.  TH35-7.5 din rail mounting

. Inputs and outputs via screw terminals

. Cage terminals, with release and captive screws

.  The location of the terminals allows supplying pin busbar and fork busbar

If you have any other questions, please contact customer service or leave a message

Additional information

Additional information

AMP

32A, 40A, 50A, 63A, 80A, 100A, 125A

KA

6KA