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ABB XT4N 250 4 pole Normal MCCB Adjustable Thermal-Magnetic Release In=225A Ii=2250A
MPN: 1SDA068105R1
Alt. SKU: XT4N 250 TMA 225-2250 4p F F InN=50%
Special Price
£914.84
£762.37
Regular Price
£1,407.46
Why Choose the Moulded Case Circuit Breaker [1SDA068105R1]
The TMAX XT4N 250 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMA R) with adjustable current settings ranging from 1125 to 2250 A (I3). The neutral pole is rated at 50% of the phase poles, ensuring balanced protection across all conductors. This robust device is designed for reliable overload and short-circuit protection in three-phase electrical installations, offering compatibility with a wide range of industrial and commercial applications.
Technical Specification
- Function: Four-pole moulded case circuit breaker with thermomagnetic release (TMA).
- Rated Operational Voltage (Ur): 690 V AC / 750 V DC.
- Rated Current (In): 225 A (setting range 157.5...225 A).
- Number of Poles: 4P.
- Rated Insulation Voltage (Ui): 1000 V.
- Rated Impulse Withstand Voltage (Uimp): 8 kV.
- Short-Circuit Breaking Capacity (Ics): Up to 65 kA (220-240 V AC), 36 kA (380-440 V AC), 30 kA (500 V AC), 10 kA (690 V AC).
- Terminal Connection: Front bolt terminals, suitable for busbars 85–200 mm².
- Mechanical Durability: 25,000 operations at 240 cycles/hour.
- Electrical Durability: 8,000 operations 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 operational voltage of the TMAX XT4N circuit breaker?
The rated operational voltage is 690 V AC / 750 V DC.
What is the rated current range for the TMAX XT4N?
The rated current is 225 A, with a setting range of 157.5...225 A.
How many poles does the TMAX XT4N circuit breaker have?
The TMAX XT4N has four poles (4P).
What is the short-circuit breaking capacity of the TMAX XT4N?
It has a short-circuit breaking capacity of up to 65 kA at 220-240 V AC, 36 kA at 380-440 V AC, 30 kA at 500 V AC, and 10 kA at 690 V AC.
What type of terminal connection does the TMAX XT4N use?
The circuit breaker features front bolt terminals, suitable for busbars of 85–200 mm².
What is the mechanical durability of the TMAX XT4N?
The mechanical durability is rated for 25,000 operations at 240 cycles/hour.
What is the electrical durability of the TMAX XT4N?
The electrical durability is rated for 8,000 operations at 120 cycles/hour.
| Manufacturer Part Number | 1SDA068105R1 |
|---|---|
| Barcode | 8015644019983 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 225A |
| Alternative Product SKU | XT4N 250 TMA 225-2250 4p F F InN=50% |
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