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1sda054320r1 t5n 400 pr222ds/p-lsi in=320 3 pole abb mccb

MPN: 1SDA054320R1

Alt. SKU: T5N 400 PR222DS/P-LSI In=320 3p F F

Special Price £2,370.92 £1,975.77 Regular Price £3,647.57

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Why Choose the Moulded Case Circuit Breaker [1SDA054320R1]

The TMAX T5N 400A fixed three-pole circuit breaker features front-access terminals and a solid-state release mechanism, model PR222DS/P-LSI R 320. Designed for reliable protection in AC applications, it ensures precise trip characteristics and robust performance, making it suitable for industrial and commercial electrical installations requiring secure overload and short-circuit protection.

Technical Specification

  • Function: Fixed three-pole moulded case circuit breaker with solid-state release.
  • Rated Current (I n ): 320 A.
  • Rated Operational Voltage: 690 V AC.
  • Number of Poles: 3P.
  • Rated Impulse Withstand Voltage (U imp ): 8 kV.
  • Rated Insulation Voltage (U i ): 1000 V.
  • Short-Circuit Breaking Capacity (I cs ): Up to 70 kA at 220-230 V AC; 36 kA at 380-415 V AC; 30 kA at 440 V AC; 25 kA at 500 V AC; 20 kA at 690 V AC.
  • Terminal Type: Fixed front terminals.
  • Mechanical Durability: 20,000 mechanical cycles at 120 cycles/hour.
  • Electrical Durability: 7,000 electrical cycles at 60 cycles/hour.

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 320 A.
What is the maximum operational voltage for this circuit breaker?
The maximum rated operational voltage is 690 V AC.
How many poles does the C.BREAKER TMAX T5N 400 have?
This circuit breaker has three poles (3P).
What is the short-circuit breaking capacity at 415 V AC?
The short-circuit breaking capacity at 380-415 V AC is 36 kA.
What type of terminals does this circuit breaker have?
The circuit breaker features fixed front terminals.
What is the mechanical durability of the C.BREAKER TMAX T5N 400?
The mechanical durability is rated for 20,000 cycles at 120 cycles/hour.
What standards and approvals does this product conform to?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 1SDA054320R1
Barcode 8015644552657
Manufacturer ABB
Number of Poles 3 Pole
Amperage 320A
Alternative Product SKU T5N 400 PR222DS/P-LSI In=320 3p F F
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