Schneider Electric, ComPacT MCCB 3P 400A, Fixed Mount

View all MCCBs

Subtotal (1 unit)*

£774.47

(exc. VAT)

£929.36

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 2 unit(s) shipping from 08 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£774.47

*price indicative

RS Stock No.:
260-8121
Mfr. Part No.:
C40N3
Brand:
Schneider Electric
Find similar products by selecting one or more attributes.
Select all

Brand

Schneider Electric

Range

ComPacT

Series

NSX

Number of Poles

3

Current Rating

400A

Mounting Style

Fixed

COO (Country of Origin):
IT

Schneider Electric NSX Series ComPacT MCCB, 3 Poles, 400A Current Rating - C40N3


This MCCB is a circuit breaker designed to support electrical distribution equipment with a reliable performance rating of 400A at 40°C. Part of the ComPacT range, it features a fixed mounting style and a robust design suitable for demanding environments. With dimensions of 140mm width, 255mm height, and 110mm depth, this 3 pole circuit breaker meets various operational needs.

Features & Benefits


• Designed for operational voltages up to 690V AC
• Offers an ultimate short-circuit breaking capacity of 85kA
• Integrated toggle control for easy operation
• Mechanical durability rated for 15,000 cycles
• IP40 protection rating for resistance against dust ingress

Applications


• Utilised for protecting electrical distribution systems
• Suitable for medium voltage installations
• Used in industrial automation setups

What are the implications of the insulation voltage rating on performance?


The rated insulation voltage of 800V AC indicates the device's capability to withstand high voltage levels, ensuring efficient performance and safety in electrical distribution scenarios.

How does the breaking capacity of this MCCB enhance safety?


With an ultimate short-circuit breaking capacity of up to 85kA, it effectively protects electrical circuits from overloads, minimising the risk of equipment damage and electrical fires.

What should be the ambient temperature range for optimal operation?


The device operates efficiently within an ambient temperature range of -25 to 70 °C, making it versatile for various environmental conditions in industrial applications.

Related links