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ABB XT3S 250 4 pole Standard MCCB Adjustable Thermal/Fixed Magnetic Release In=250A Ii=750A
MPN: 1SDA068278R1
Alt. SKU: XT3S 250 TMG 250-750 4p F F InN=100%
Special Price
£1,080.20
£900.17
Regular Price
£1,661.86
Why Choose the Moulded Case Circuit Breaker [1SDA068278R1]
The TMAX XT3S 250 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMG R) rated from 250 to 750 A. It includes a fully rated neutral pole, ensuring reliable disconnection and protection in three-phase systems. Designed for robust performance and compatibility with a wide range of electrical installations, this breaker offers precise overload and short-circuit protection in a compact, fixed configuration.
Technical Specification
- Function: Moulded Case Circuit Breaker with thermomagnetic release TMG.
- Poles: Fixed four-pole (4P) with fully rated neutral.
- Rated Current: 250 A.
- Rated Operational Voltage: 690 V AC / 500 V DC.
- Rated Insulation Voltage: 800 V.
- Rated Impulse Withstand Voltage: 8 kV.
- Short-Circuit Breaking Capacity (Ics): Up to 50 kA (230 V AC), 37.5 kA (500 V DC, 3 poles in series).
- Terminal Type: Front bolt terminals, suitable for busbar 85–192 mm².
- Mechanical Durability: 25,000 cycles at 240 cycles/hour.
- Tightening Torque: 8 N·m for main circuit terminals.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the C.BREAKER TMAX XT3S 250?
The C.BREAKER TMAX XT3S 250 is a moulded case circuit breaker with a thermomagnetic release TMG.
What is the rated current of this circuit breaker?
The rated current is 250 A.
What are the voltage ratings for the TMAX XT3S 250?
It has a rated operational voltage of 690 V AC and 500 V DC.
What is the short-circuit breaking capacity?
The short-circuit breaking capacity is up to 50 kA at 230 V AC and 37.5 kA at 500 V DC (3 poles in series).
What type of terminals does the circuit breaker have?
The circuit breaker features front bolt terminals suitable for busbar sizes of 85–192 mm².
What is the mechanical durability of the TMAX XT3S 250?
The mechanical durability is rated for 25,000 cycles at 240 cycles per hour.
What is the tightening torque for the main circuit terminals?
The tightening torque for the main circuit terminals is 8 N·m.
| Manufacturer Part Number | 1SDA068278R1 |
|---|---|
| Barcode | 8015644021849 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 250A |
| Alternative Product SKU | XT3S 250 TMG 250-750 4p F F InN=100% |
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