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ABB XT3N 250 4 pole Normal MCCB Adjustable Thermal/Fixed Magnetic Release In=125A Ii=400A
MPN: 1SDA068261R1
Alt. SKU: XT3N 250 TMG 125-400 4p F F InN=100%
Special Price
£988.16
£823.47
Regular Price
£1,520.24
Why Choose the Moulded Case Circuit Breaker [1SDA068261R1]
The TMAX XT3N 250 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMG R) rated from 125 to 400 A. It includes a fully rated neutral pole, ensuring reliable performance and compatibility in three-phase electrical installations requiring robust protection and precise fault interruption.
Technical Specification
- Function: Fixed four-pole moulded case circuit breaker with thermomagnetic release (TMG).
- Rated Current: 125 A, Setting Range 87.5–125 A.
- Rated Operational Voltage: 690 V AC / 500 V DC.
- Number of Poles: 4P with fully rated neutral.
- Rated Short-Circuit Breaking Capacity (Ics): Up to 50 kA (220–240 V AC), varies by voltage.
- Rated Insulation Voltage (Ui): 800 V.
- Impulse Withstand Voltage (Uimp): 8 kV.
- Terminal Type: Front bolt terminals, tightening torque 8 N·m.
- Connecting Capacity: Busbar 85–192 mm².
- Mechanical and Electrical Durability: 25,000 mechanical cycles; 8,000 electrical cycles 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 current of the C.BREAKER TMAX XT3N?
The rated current is 125 A, with a setting range of 87.5–125 A.
What is the rated operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC and 500 V DC.
How many poles does the TMAX XT3N circuit breaker have?
It has four poles with a fully rated neutral.
What is the rated short-circuit breaking capacity?
The rated short-circuit breaking capacity is up to 50 kA at 220–240 V AC, varying by voltage.
What type of terminals does this circuit breaker use?
It features front bolt terminals with a tightening torque of 8 N·m.
What is the connecting capacity for busbars?
The connecting capacity for busbars is 85–192 mm².
What is the mechanical and electrical durability of the circuit breaker?
It has a mechanical durability of 25,000 cycles and electrical durability of 8,000 cycles at 120 cycles/hour.
| Manufacturer Part Number | 1SDA068261R1 |
|---|---|
| Barcode | 8015644021672 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 125A |
| Alternative Product SKU | XT3N 250 TMG 125-400 4p F F InN=100% |
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