Do you need some help?

Call us now on: 01706 242050

1sda054439r1 t5n 400 tma 400-4000 4 pole abb mccb

MPN: 1SDA054439R1

Alt. SKU: T5N 400 TMA 400-4000 4p F F

Special Price £2,316.44 £1,930.37 Regular Price £3,563.76

Please contact us for a delivery time
Call us now on 01706 242050

Need It Today?

Speak To Our Team

Speak to our experienced team to discuss options for getting your order to you today.

or

Call us now on: 01706 242050
  • Please ensure the items you would like are in stock
  • Please speak to our team before placing an order
  • Additional charges will apply
  • We cannot guarantee the availability of a courier

Found It Cheaper?

Please complete the form below or call us now on 01706 242050

Free delivery on orders over £200

Why Choose the Moulded Case Circuit Breaker [1SDA054439R1]

The TMAX T5N 400 fixed four-pole circuit breaker features front terminals for straightforward installation and a thermomagnetic release (TMA R 400) providing reliable protection. It offers adjustable current settings ranging from 2000 to 4000 A, ensuring precise coordination in industrial and commercial electrical systems. Designed for compatibility with standard switchgear, this breaker delivers dependable performance and enhanced safety in demanding applications.

Technical Specification

  • Function: Moulded Case Circuit Breaker with thermomagnetic release (TMA).
  • Rated Current (In): 400 A.
  • Number of Poles: 4P fixed with front terminals.
  • Rated Operational Voltage: 690 V AC / 750 V DC.
  • Rated Insulation Voltage (Ui): 1000 V.
  • Rated Impulse Withstand Voltage (Uimp): 8 kV.
  • Short-Circuit Breaking Capacity (Ics): Up to 70 kA at 220-230 V AC; 20 kA at 690 V AC.
  • Durability: Electrical 7000 cycles; Mechanical 20000 cycles.
  • Power Loss: 19.5 W per pole at rated conditions.

Trusted By Customers Worldwide

"Specified by UK panel builders for dependable control." Controls Engineer, UK

Frequently Asked Questions

What is the rated current of the C.BREAKER TMAX T5N 400?
The rated current (I n) is 400 A.
How many poles does the TMAX T5N 400 have?
It has 4 poles (4P) fixed with front terminals.
What is the rated operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC / 750 V DC.
What is the short-circuit breaking capacity of the TMAX T5N 400?
It has a short-circuit breaking capacity of up to 70 kA at 220-230 V AC and 20 kA at 690 V AC.
What is the durability of the TMAX T5N 400 in terms of cycles?
It has an electrical durability of 7000 cycles and a mechanical durability of 20000 cycles.
What is the power loss per pole at rated conditions?
The power loss is 19.5 W per pole at rated conditions.
What standards and approvals does the TMAX T5N 400 conform to?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 1SDA054439R1
Barcode 8015644555436
Manufacturer ABB
Number of Poles 4 Pole
Amperage 400A
Alternative Product SKU T5N 400 TMA 400-4000 4p F F
Write Your Own Review
You're reviewing:1sda054439r1 t5n 400 tma 400-4000 4 pole abb mccb