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1sda054318r1 t5n 400 pr221ds-i in=320 3 pole abb mccb

MPN: 1SDA054318R1

Alt. SKU: T5N 400 PR221DS-I In=320 3p F F

Special Price £1,484.64 £1,237.20 Regular Price £2,284.06

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Why Choose the Moulded Case Circuit Breaker [1SDA054318R1]

The TMAX T5N 400 fixed three-pole circuit breaker features front-facing terminals for straightforward installation and maintenance. Equipped with a solid-state release, it ensures precise and reliable protection in AC applications. Model PR221DS-I R 320 is designed to deliver consistent performance and compatibility within industrial and commercial electrical systems.

Technical Specification

  • Function: Fixed three-pole moulded case circuit breaker with solid-state release.
  • Rated Current (In): 320 A.
  • Rated Operational Voltage: 690 V AC.
  • Number of Poles: 3P.
  • 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, down to 20 kA at 690 V AC.
  • Terminal Connection Type: Front fixed terminals.
  • Mechanical Durability: 20,000 cycles at 120 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 of the C.BREAKER TMAX T5N 400 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 690 V AC?
The short-circuit breaking capacity at 690 V AC is down to 20 kA.
What type of terminal connection does this circuit breaker use?
The circuit breaker features front fixed terminals for connection.
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 1SDA054318R1
Barcode 8015644552633
Manufacturer ABB
Number of Poles 3 Pole
Amperage 320A
Alternative Product SKU T5N 400 PR221DS-I In=320 3p F F
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