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1SDA074654R1 ABB XT1N 125 TMF 40-500 4p F F UL/CSA Circuit Breaker
ABB 1SDA074654R1 XT1N 125 is a four-pole fixed UL/CSA moulded case circuit breaker with front terminals and a TMF thermomagnetic release rated at 40 A with 500 A instantaneous magnetic protection.
£416.39
Why Choose the ABB XT1N 125 TMF 40-500 4p F F UL/CSA Circuit Breaker?
The ABB XT1N 125 TMF 40-500 4p F F UL/CSA, order code 1SDA074654R1, is a compact four-pole moulded case circuit breaker designed for reliable overload and short-circuit protection in low-voltage electrical distribution systems. As part of the ABB SACE Tmax XT / T-Max XT 250 Range, this version is designed and certified for applications requiring UL/CSA-compliant circuit protection.
This XT1N breaker is supplied in a fixed configuration with front terminals and incorporates an ABB TMF thermomagnetic release. The release has a rated current of 40 A with instantaneous magnetic protection at 500 A, providing dependable protection against both sustained overloads and high-current short circuits.
The XT1N frame combines compact dimensions with robust switching and protection performance. Its four-pole configuration enables simultaneous switching and protection of all four conductors, while the N breaking-capacity version provides a short-circuit interrupting rating of 25 kA within the applicable Tmax XT UL/CSA ratings.
Key Advantages
- Compact ABB SACE Tmax XT1 moulded case circuit breaker.
- 40 A TMF thermomagnetic release for overload protection.
- 500 A instantaneous magnetic protection against short circuits.
- Four-pole configuration for comprehensive circuit switching and protection.
- Fixed mounting with front terminals simplifies switchboard integration.
- Designed for UL 489 and CSA C22.2 low-voltage circuit-breaker applications.
Key Features
- ABB SACE Tmax XT1N 125 frame.
- TMF thermomagnetic trip unit.
- 40 A rated trip current.
- 500 A instantaneous magnetic trip level.
- Four-pole construction.
- Fixed breaker configuration.
- Front terminals for main-circuit connection.
- 25 kA N-class breaking capacity.
- UL/CSA version for North American electrical installations.
Reliable Thermomagnetic Circuit Protection
The TMF thermomagnetic release combines two complementary protection functions. Its thermal element responds to sustained overload conditions, while the magnetic element provides rapid tripping when a high short-circuit current occurs, helping protect conductors and connected equipment from electrical damage.
ABB Tmax XT circuit breakers are designed for compact installation in distribution boards, industrial control panels and switchgear assemblies. The fixed four-pole construction and front terminals of 1SDA074654R1 provide a straightforward solution for applications requiring dependable UL/CSA circuit protection.
Typical Applications
- Industrial low-voltage distribution boards.
- Commercial electrical distribution systems.
- UL/CSA-compliant switchboards and control panels.
- Feeder and branch circuit protection.
- Industrial machinery and OEM electrical assemblies.
- Four-pole power distribution and isolation applications.
Technical Specifications
| Series | SACE Tmax XT / T-Max XT 250 Range |
|---|---|
| ABB order code | 1SDA074654R1 |
| Product type | Moulded case circuit breaker |
| Frame | XT1N 125 |
| Trip unit | TMF thermomagnetic |
| Rated trip current | 40 A |
| Instantaneous magnetic trip | 500 A |
| Number of poles | 4 |
| Breaking capacity class | N, 25 kA |
| Mounting type | Fixed |
| Terminal type | Front terminals |
| Certification | UL / CSA |
| Applicable standards | UL 489 / CSA C22.2 |
| EAN | 8015644786311 |
Frequently Asked Questions
What is the ABB 1SDA074654R1 used for?
It is a four-pole moulded case circuit breaker designed to provide overload and short-circuit protection in low-voltage electrical distribution systems requiring UL/CSA-compliant equipment.
What is the rated current of the ABB XT1N 125 TMF 40-500?
The TMF thermomagnetic release in this breaker has a rated trip current of 40 A.
What does 40-500 mean in the model designation?
The designation identifies the 40 A thermal rating and 500 A instantaneous magnetic trip level of the TMF thermomagnetic release.
How many poles does ABB 1SDA074654R1 have?
The breaker has a four-pole configuration, allowing all four conductors of the circuit to be switched together.
How is the ABB XT1N 1SDA074654R1 installed?
This model is a fixed circuit breaker with front terminals, designed for integration into compatible electrical panels, switchboards and distribution assemblies.
Trusted ABB Circuit Protection
ABB SACE Tmax XT moulded case circuit breakers provide compact and dependable protection for industrial and commercial electrical distribution systems, with UL/CSA versions designed specifically for installations requiring North American certification.
