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1sda054437r1 t5n 400 tma 400-4000 3 pole abb mccb

MPN: 1SDA054437R1

Alt. SKU: T5N 400 TMA 400-4000 3p F F

Special Price £1,744.14 £1,453.45 Regular Price £2,683.30

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Why Choose the Moulded Case Circuit Breaker [1SDA054437R1]

The TMAX T5N 400 fixed three-pole circuit breaker features front terminals and a thermomagnetic release, model TMA R 400. It offers adjustable trip settings ranging from 2000 to 4000 A, ensuring reliable protection and precise coordination in low voltage electrical installations. Designed for robust performance, this breaker is suitable for a wide range of industrial and commercial applications requiring dependable overcurrent and short-circuit protection.

Technical Specification

  • Function: Moulded Case Circuit Breaker with thermomagnetic release (TMA).
  • Poles: 3-pole fixed type with front terminals.
  • Rated Current (Iₙ): 400 A.
  • Rated Operational Voltage: 690 V AC / 750 V DC.
  • Rated Insulation Voltage (Uᵢ): 1000 V.
  • Rated Impulse Withstand Voltage (U imp): 8 kV.
  • Short-Circuit Breaking Capacity (I cs): Up to 70 kA (220-230 V AC), decreasing to 20 kA at 690 V AC.
  • Mechanical Durability: 20,000 cycles at 120 cycles/hour.
  • Electrical Durability: 7,000 cycles at 60 cycles/hour.
  • Power Loss per Pole: 19.5 W at rated operating 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?
The rated current (Iₙ) of the C.BREAKER TMAX T5N is 400 A.
What is the maximum short-circuit breaking capacity?
The short-circuit breaking capacity (I cs) is up to 70 kA at 220-230 V AC, decreasing to 20 kA at 690 V AC.
What type of release does this circuit breaker use?
This circuit breaker features a thermomagnetic release (TMA).
What is the rated operational voltage?
The rated operational voltage is 690 V AC / 750 V DC.
How many poles does the C.BREAKER TMAX T5N have?
The C.BREAKER TMAX T5N is a 3-pole fixed type circuit breaker.
What is the mechanical durability of this circuit breaker?
The mechanical durability is rated for 20,000 cycles at 120 cycles/hour.
Is there any conformity information available?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 1SDA054437R1
Barcode 8015644555412
Manufacturer ABB
Number of Poles 3 Pole
Amperage 400A
Alternative Product SKU T5N 400 TMA 400-4000 3p F F
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