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ABB XT4H 250 4 pole High MCCB Adjustable Thermal-Magnetic Release In=225A Ii=2250A
MPN: 1SDA068358R1
Alt. SKU: XT4H 250 TMA 225-2250 4p F F InN=50%
Special Price
£1,135.51
£946.26
Regular Price
£1,746.95
Why Choose the Moulded Case Circuit Breaker [1SDA068358R1]
The TMAX XT4H 250 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMA R) with adjustable current ratings from 1125 A to 2250 A. The neutral pole is rated at 50% of the phase poles, ensuring reliable protection and compatibility in three-phase electrical installations. This robust breaker is designed for precise overload and short-circuit protection in demanding commercial and industrial applications.
Technical Specification
- Function: Moulded Case Circuit Breaker with thermomagnetic release TMA.
- Configuration: Fixed four-pole (4P) with front terminals.
- Rated Current (Iₙ): 225 A (setting range 157.5...225 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 100 kA AC depending on voltage.
- Terminal Type: Front bolt terminals, tightening torque 8 N·m, suitable for busbar 85–200 mm².
- Durability: Electrical 8000 cycles, Mechanical 25,000 cycles.
- Standards Compliance: IEC 60947-2.
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 XT4H circuit breaker?
The rated current (Iₙ) is 225 A, with a setting range of 157.5...225 A.
What is the maximum short-circuit breaking capacity?
The short-circuit breaking capacity (Ics) can be up to 100 kA AC, depending on the voltage.
What type of terminals does the TMAX XT4H have?
It features front bolt terminals with a tightening torque of 8 N·m, suitable for busbars of 85–200 mm².
What is the rated operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC and 750 V DC.
How many electrical and mechanical cycles can this circuit breaker endure?
It has a durability rating of 8000 electrical cycles and 25,000 mechanical cycles.
What standards does the TMAX XT4H comply with?
It complies with IEC 60947-2. See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SDA068358R1 |
|---|---|
| Barcode | 8015644022648 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 225A |
| Alternative Product SKU | XT4H 250 TMA 225-2250 4p F F InN=50% |
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