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ABB XT1B 160 4 pole Basic MCCB Fixed Thermal/Adjustable Magnetic Release In=20A Ii=450A

MPN: 1SDA066811R1

Alt. SKU: XT1B 160 TMD 20-450 4p F F

Special Price £268.72 £223.93 Regular Price £413.41

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Why Choose the Moulded Case Circuit Breaker [1SDA066811R1]

The TMAX XT1B 160 fixed four-pole circuit breaker features front-access terminals and a thermomagnetic release (TMD R) adjustable from 20 to 450 A. Designed for reliable protection and precise current interruption, it is suitable for a wide range of industrial and commercial applications requiring robust four-pole switching and dependable overload and short-circuit protection.

Technical Specification

  • Function: Moulded Case Circuit Breaker with thermomagnetic release TMD.
  • Poles: 4 pole fixed configuration.
  • Rated Current: 160 A uninterrupted, setting range 14 to 20 A.
  • Rated Voltage: 690 V AC / 500 V DC operational voltage.
  • Insulation Voltage (Ui): 800 V.
  • Impulse Withstand Voltage (Uimp): 8 kV.
  • Terminal Type: Front bolt terminals, suitable for busbar 45.5 to 80 mm².
  • Breaking Capacity (Ics): Up to 25 kA at 220-240 V AC, varying with voltage.
  • Mechanical Durability: 25,000 cycles at 240 cycles per hour.
  • Electrical Durability: 8,000 cycles at 120 cycles per 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 XT1B?
The rated current is 160 A with a setting range of 14 to 20 A.
What type of circuit breaker is the TMAX XT1B?
It is a moulded case circuit breaker with a thermomagnetic release TMD.
What is the maximum breaking capacity of this circuit breaker?
The breaking capacity is up to 25 kA at 220-240 V AC, varying with voltage.
What is the terminal type for the TMAX XT1B?
It features front bolt terminals suitable for busbar sizes of 45.5 to 80 mm².
What is the operational voltage for the TMAX XT1B?
The operational voltage is 690 V AC and 500 V DC.
How many mechanical and electrical cycles can the TMAX XT1B endure?
It has a mechanical durability of 25,000 cycles and an electrical durability of 8,000 cycles.
What are the insulation and impulse withstand voltages for this product?
The insulation voltage (U i) is 800 V, and the impulse withstand voltage (U imp) is 8 kV.
More Information
Manufacturer Part Number 1SDA066811R1
Barcode 8015644694500
Manufacturer ABB
Number of Poles 4 Pole
Amperage 20A
Alternative Product SKU XT1B 160 TMD 20-450 4p F F
Product Lead Time Please contact us for a delivery time
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