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1sda054118r1 t4n 320 pr221ds-i in=320 3 pole abb mccb

MPN: 1SDA054118R1

Alt. SKU: T4N320,1SDA054118R

Special Price £1,626.20 £1,355.17 Regular Price £2,501.86

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Why Choose the Moulded Case Circuit Breaker [1SDA054118R1]

The TMAX T4N 320 fixed three-pole circuit breaker features front terminals for straightforward installation and maintenance. Equipped with a solid-state release, it provides precise and reliable protection in AC applications. This model, PR221DS-I R 320, is designed to ensure consistent performance and compatibility within industrial and commercial electrical systems.

Technical Specification

  • Function: Moulded Case Circuit Breaker, fixed three-pole 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 and Icu): up to 70 kA at 220-230 V AC, 20 kA at 690 V AC.
  • Terminal Type: Fixed front terminals.
  • Electrical Durability: 6,000 cycles at 120 cycles/hour.
  • Mechanical Durability: 20,000 cycles at 240 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 T4N 320?
The rated current 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 TMAX T4N 320 have?
This circuit breaker has three poles (3P).
What is the short-circuit breaking capacity at 690 V AC?
The short-circuit breaking capacity is 20 kA at 690 V AC.
What type of terminals does this circuit breaker have?
It features fixed front terminals.
What is the electrical durability of the C.BREAKER TMAX T4N 320?
The electrical durability is 6,000 cycles at 120 cycles/hour.
Is there any conformity information available for this product?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 1SDA054118R1
Barcode 8015644552176
Manufacturer ABB
Number of Poles 3 Pole
Amperage 320A
Alternative Product SKU T4N320,1SDA054118R
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