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ABB XT3N 250 3 pole Normal MCCB Fixed Thermal/Adjustable Magnetic Release In=63A Ii=630A
MPN: 1SDA068053R1
Alt. SKU: XT3N 250 TMD 63-630 3p F F
Special Price
£381.62
£318.02
Regular Price
£587.11
Why Choose the Moulded Case Circuit Breaker [1SDA068053R1]
The TMAX XT3N 250 fixed three-pole circuit breaker features front-access terminals and a thermomagnetic release (TMD R), providing reliable overcurrent protection across a rating range of 63 to 630 A. Designed for straightforward installation and maintenance, this breaker ensures precise tripping characteristics suitable for a variety of industrial and commercial electrical distribution applications. Its robust construction and compatibility with standard switchgear systems make it a dependable choice for engineers specifying high-performance protection devices.
Technical Specification
- Function: Thermomagnetic moulded case circuit breaker with three poles.
- Rated Operational Voltage: 690 V AC, 500 V DC.
- Rated Current: 63 A (setting range 44.1–63 A).
- Contact Configuration: Fixed three-pole with front terminals.
- Rated Insulation Voltage: 800 V.
- Rated Impulse Withstand Voltage: 8 kV.
- Short-Circuit Breaking Capacity (Icu): Up to 50 kA (depending on voltage and poles in series).
- Terminal Type and Size Range: Bolt terminals, busbar 85–192 mm², tightening torque 8 N·m.
- Mechanical Durability: 25,000 cycles at 240 cycles/hour.
- Standards: Compliant with IEC 60947-2.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the function of the TMAX XT3N 250 circuit breaker?
It is a thermomagnetic moulded case circuit breaker designed for overcurrent protection.
What is the rated operational voltage of this circuit breaker?
The rated operational voltage is 690 V AC and 500 V DC.
What is the rated current setting range for the TMAX XT3N 250?
The rated current setting range is from 44.1 A to 63 A.
What is the short-circuit breaking capacity of this circuit breaker?
It has a short-circuit breaking capacity (Icu) of up to 50 kA, depending on voltage and poles in series.
What type of terminals does the TMAX XT3N 250 have?
It features bolt terminals with a busbar size range of 85–192 mm².
What is the mechanical durability of the circuit breaker?
The mechanical durability is rated for 25,000 cycles at 240 cycles per hour.
Is the TMAX XT3N 250 compliant with any standards?
Yes, it is compliant with IEC 60947-2. See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SDA068053R1 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8015644019242 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
| Manufacturer | ABB |
| Number of Poles | 3 Pole |
| Amperage | 63A |
| Alternative Product SKU | XT3N 250 TMD 63-630 3p F F |
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