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1sda054278r1 t4s 250 tma 250-2500 4 pole abb mccb

MPN: 1SDA054278R1

Alt. SKU: T4S 250 TMA 250-25

Special Price £1,547.59 £1,289.66 Regular Price £2,380.91

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Why Choose the Moulded Case Circuit Breaker [1SDA054278R1]

The C.BREAKER TMAX T4S 250 is a fixed four-pole circuit breaker featuring front terminals for straightforward installation. It incorporates a thermomagnetic release (TMA R 250) with adjustable current settings ranging from 1250 to 2500 A, providing reliable protection for a variety of applications. The device offers a fully rated neutral, ensuring compatibility and consistent performance in three-phase electrical systems.

Technical Specification

  • Function: Four-pole moulded case circuit breaker with thermomagnetic release TMA R 250.
  • Rated Current (In): 250 A.
  • Rated Operational Voltage: 690 V AC, 750 V DC.
  • Number of Poles: 4P with fully rated neutral.
  • Rated Insulation Voltage (Ui): 1000 V.
  • Rated Impulse Withstand Voltage (Uimp): 8 kV.
  • Short-Circuit Breaking Capacity (Ics): Up to 85 kA (220-230 V AC), 25 kA (690 V AC).
  • Terminal Type: Fixed front terminals.
  • Mechanical Durability: 20,000 cycles at 240 cycles/hour.
  • Electrical Durability: 8,000 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 T4S 250?
The rated current is 250 A.
What is the maximum short-circuit breaking capacity?
Up to 85 kA at 220-230 V AC and 25 kA at 690 V AC.
What type of terminals does this circuit breaker have?
It features fixed front terminals.
What is the rated operational voltage for this product?
The rated operational voltage is 690 V AC and 750 V DC.
How many poles does the C.BREAKER TMAX T4S 250 have?
It has four poles with a fully rated neutral.
What is the mechanical durability of this circuit breaker?
The mechanical durability is 20,000 cycles at 240 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 1SDA054278R1
Barcode 8015644553753
Manufacturer ABB
Number of Poles 4 Pole
Amperage 250A
Alternative Product SKU T4S 250 TMA 250-25
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