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ABB XT2N 125 TMF 20-400 3p F F UL/CSA moulded case circuit breaker with thermomagnetic protection for reliable low-voltage AC and DC electrical distribution systems.
£284.08
The ABB XT2N 125 TMF 20-400 3p F F UL/CSA is a compact and reliable moulded case circuit breaker (MCCB) designed for dependable protection of low-voltage electrical distribution systems. As part of the advanced ABB SACE Tmax XT2 series, it provides thermal-magnetic protection for industrial, commercial and infrastructure applications requiring reliable circuit interruption and overload protection. :chatgpt-content-reference{index="0"}
This circuit breaker features a three-pole fixed configuration with front terminals and an integrated TMF R 20-400 A thermomagnetic release, combining thermal overload protection with magnetic short-circuit protection. Its compact XT2 frame design enables efficient installation in switchboards while maintaining ABB’s recognised standards for safety, performance and reliability. :chatgpt-content-reference{index="1"}
With a 20 A rated current, 125 A frame size, and a 400 A instantaneous magnetic trip setting, the XT2N 125 TMF 20-400 3p F F UL/CSA is suitable for AC and DC power distribution applications requiring UL489 compliant circuit protection. :chatgpt-content-reference{index="2"}
Moulded case circuit breakers such as the ABB XT2N 125 protect electrical installations by automatically disconnecting circuits during overload and short-circuit conditions. The integrated TMF release combines thermal protection for sustained overloads with magnetic protection for fault currents.
The Tmax XT platform combines compact construction with advanced protection technology, making it suitable for modern switchboards, machinery systems and industrial electrical distribution networks where dependable performance is required. :chatgpt-content-reference{index="5"}
| Series | SACE Tmax XT |
|---|---|
| Order code | 1SDA074734R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame size | XT2 |
| Number of poles | 3P |
| Rated current (In) | 20 A |
| Rated uninterrupted current (Iu) | 125 A |
| Release type | TMF thermomagnetic release |
| Release setting range | 20 A |
| Magnetic trip setting | 400 A |
| Rated operational voltage | 600 V AC |
| Rated DC voltage | 500 V DC |
| Short-circuit performance level | N |
| UL489 interrupting rating | 65 kA at 240 V AC, 25 kA at 480 V AC, 18 kA at 600 V AC |
| DC interrupting rating | 35 kA at 250 V DC (2 poles in series), 35 kA at 500 V DC (3 poles in series) |
| Terminal connection | Front terminals |
| Mounting type | Fixed installation |
| Standards | UL489 |
| Dimensions (H × W × D) | 130 × 90 × 82.5 mm |
| Weight | approx. 1.1 kg |
This ABB moulded case circuit breaker provides overload and short-circuit protection for low-voltage AC and DC electrical distribution systems.
The XT2N 125 TMF 20-400 3p F F UL/CSA uses a TMF thermomagnetic release for thermal overload and magnetic short-circuit protection.
This circuit breaker is a three-pole (3P) fixed version with front terminals.
The circuit breaker has a rated current of 20 A with a 125 A XT2 frame size.
The ABB XT2N 125 TMF 20-400 3p F F UL/CSA is designed for UL489 compliant electrical installations.
ABB SACE Tmax XT circuit breakers are trusted worldwide for reliable protection, compact installation and dependable performance in modern low-voltage electrical distribution systems.
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