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ABB 1SDA068257R1 SACE Tmax XT3N 250 moulded case circuit breaker with TMG R thermomagnetic release, 250 A rated current, three pole fixed configuration and front terminals for low voltage power distribution.
£795.91
The ABB 1SDA068257R1 is a dependable SACE Tmax XT3N moulded case circuit breaker (MCCB) designed for low voltage power distribution and equipment protection. Equipped with a TMG R thermomagnetic release, this three pole circuit breaker provides reliable overload and short circuit protection for industrial, commercial and OEM electrical installations.
As part of the trusted ABB SACE Tmax XT series, this MCCB combines compact dimensions with robust construction and proven breaking performance. Its fixed three pole configuration with front terminals enables straightforward installation in switchboards, motor control centres, distribution panels and industrial control systems.
With a 250 A frame size, 250 A rated current, TMG R 250-750 A thermomagnetic release, front terminal connections and a 690 V AC rated operational voltage, the ABB 1SDA068257R1 provides dependable circuit protection for demanding low voltage applications.
The ABB XT3N MCCB protects electrical installations by detecting overloads through its thermal element and clearing short circuits rapidly using its magnetic trip mechanism. This combination provides dependable protection for cables, switchgear and connected equipment.
Its compact fixed design, front terminal arrangement and proven ABB reliability make it well suited for industrial control panels, commercial switchboards and OEM electrical assemblies requiring consistent low voltage protection.
Tick the specs you need, then view products that match.
| Mounting Type | Fixed | |
|---|---|---|
| Application | Generator protection | |
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT3N 250 TMG 250-750 3P FF | |
| Product ID | 1SDA068257R1 | |
| EAN | 8015644021634 | |
| Product type | Moulded case circuit breaker | |
| Frame size | XT3 250 | |
| Rated current (In) | 250 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Number of poles | 3 | |
| Release | TMG R thermomagnetic release | |
| Release range | 250-750 A | |
| Rated operational voltage | 690 V AC / 500 V DC | |
| Rated insulation voltage (Ui) | 800 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Frequency | 50 / 60 Hz | |
| Terminal type | Front terminals | |
| Terminal connection | Bolt terminal | |
| Mounting | Fixed | |
| Breaking capacity at 415 V AC | 36 kA | |
| Short circuit performance level | N | |
| Dimensions (H × W × D) | approx. 150 × 105 × 70 mm | |
| Weight | approx. 1.7 kg | |
| Standards | IEC 60947-2 | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
This moulded case circuit breaker protects low voltage electrical circuits against overloads and short circuits in industrial and commercial installations.
The ABB 1SDA068257R1 has a rated current of 250 A within an XT3 250 frame.
It uses a TMG R thermomagnetic release with a 250-750 A release range for combined overload and short circuit protection.
This model is supplied as a three pole (3P) fixed moulded case circuit breaker.
It is commonly installed in industrial switchboards, motor control centres, commercial distribution panels and OEM electrical equipment.
ABB SACE Tmax XT moulded case circuit breakers are trusted worldwide for delivering dependable protection, robust construction and long service life across demanding industrial and commercial electrical installations.
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