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ABB XT4L 250 4 pole Low MCCB Adjustable Thermal-Magnetic Release In=250A Ii=2500A
MPN: 1SDA068392R1
Alt. SKU: XT4L 250 TMA 250-2500 4p F F InN=50%
Special Price
£1,204.56
£1,003.80
Regular Price
£1,853.16
Why Choose the Moulded Case Circuit Breaker [1SDA068392R1]
The TMAX XT4L 250 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMA R 250) designed for reliable protection. It offers adjustable current ratings ranging from 1250 A to 2500 A, with the neutral pole rated at 50% of the phase current. This breaker is engineered for robust performance in three-phase electrical distribution systems, ensuring compatibility and dependable operation in demanding industrial and commercial applications.
Technical Specification
- Type: Moulded Case Circuit Breaker, 4-pole fixed with thermomagnetic release.
- Rated Current (In): 250 A.
- Rated Operational Voltage: 690 V AC / 750 V DC.
- Rated Insulation Voltage (Ui): 1000 V.
- Rated Impulse Withstand Voltage (Uimp): 8 kV.
- Short-Circuit Breaking Capacity (Ics): Up to 150 kA (AC), 85 kA (DC with poles in series).
- Terminal Type and Connection: Front bolt terminals, suitable for busbar 85–200 mm², tightening torque 8 N·m.
- 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 TMAX XT4L circuit breaker?
The rated current is 250 A.
What is the maximum short-circuit breaking capacity?
Up to 150 kA for AC and 85 kA for DC with poles in series.
What type of terminals does the TMAX XT4L have?
It features front bolt terminals suitable for busbar connections of 85–200 mm².
What is the rated operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC / 750 V DC.
How many mechanical cycles can the TMAX XT4L endure?
It has a mechanical durability of 25,000 cycles at 240 cycles per hour.
What is the tightening torque for the terminal connections?
The tightening torque is 8 N·m.
What standards and approvals does the TMAX XT4L comply with?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SDA068392R1 |
|---|---|
| Barcode | 8015644022983 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 250A |
| Alternative Product SKU | XT4L 250 TMA 250-2500 4p F F InN=50% |
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