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1SDA054237R1 ABB T4L250 TMA 80-800 80 A 4-Pole MCCB
ABB 1SDA054237R1 SACE Tmax T4L250 fixed four-pole 80 A moulded case circuit breaker with TMA thermomagnetic trip unit and 400–800 A instantaneous magnetic protection range for low-voltage circuit protection.
£1,774.08
Why Choose the ABB T4L250 TMA 80-800 1SDA054237R1 Circuit Breaker?
The ABB 1SDA054237R1 is a robust SACE Tmax T4L 250 moulded case circuit breaker (MCCB) designed for reliable protection and isolation of low-voltage electrical distribution systems. Configured as a fixed four-pole breaker with front terminals, it combines an 80 A rated current with ABB's TMA thermomagnetic trip unit for dependable overload and short-circuit protection.
Part of the proven ABB SACE Tmax T4 series, the T4L250 is designed for industrial and commercial power distribution applications requiring compact construction and high short-circuit interruption performance. Its TMA release combines adjustable thermal overload protection with magnetic instantaneous protection, providing straightforward protection for cables, equipment and distribution circuits without requiring an electronic trip unit.
The TMA release is rated at 80 A with an instantaneous magnetic protection adjustment range of 400–800 A. With its four-pole configuration, fixed installation and front terminals, the 1SDA054237R1 is well suited to switchboards, distribution panels and industrial electrical systems requiring dependable multipole circuit protection.
Key Advantages
- Robust ABB SACE Tmax T4L moulded case circuit breaker.
- 80 A rated current for industrial and commercial distribution circuits.
- Four-pole configuration for multipole low-voltage distribution systems.
- TMA thermomagnetic trip unit provides overload and short-circuit protection.
- 400–800 A instantaneous magnetic protection range for short-circuit faults.
- 120 kA ultimate breaking capacity at 400 V AC for demanding distribution applications.
- Fixed mounting with front terminals for straightforward switchboard integration.
Key Features
- ABB SACE Tmax T4L 250 circuit breaker platform.
- 80 A rated current.
- 400–800 A instantaneous magnetic protection range.
- 4-pole construction.
- TMA thermomagnetic release.
- Thermal protection against sustained overload conditions.
- Magnetic instantaneous protection against short circuits.
- 120 kA Icu at 400 V AC.
- Fixed circuit breaker configuration with front terminals.
Reliable Circuit Protection for Power Distribution
Moulded case circuit breakers such as the ABB SACE Tmax T4L protect electrical distribution circuits against damaging overcurrents while also providing a convenient means of circuit isolation. The T4 platform combines compact construction with robust switching performance, making it suitable for demanding industrial and commercial low-voltage distribution applications.
The TMA thermomagnetic trip unit provides complementary overload and short-circuit protection. Its thermal element responds to sustained overload currents that could overheat cables and connected equipment, while the magnetic element provides rapid tripping during severe short-circuit conditions. This proven protection principle makes the T4L250 a practical solution for electrical distribution systems requiring reliable and straightforward protection.
Typical Applications
- Industrial low-voltage distribution systems.
- Main and sub-distribution switchboards.
- Electrical control and distribution panels.
- Commercial building power distribution.
- Manufacturing and process installations.
- Machinery and plant electrical distribution.
Technical Specifications
| Series | SACE Tmax T4 |
|---|---|
| ABB order code | 1SDA054237R1 |
| Product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T4 250 |
| Performance level | L |
| Rated current | 80 A |
| Instantaneous magnetic protection range | 400–800 A |
| Number of poles | 4 |
| Trip unit | TMA thermomagnetic release |
| Protection functions | Thermal overload and magnetic short-circuit protection |
| Rated operational voltage | 690 V AC |
| Ultimate breaking capacity (Icu) at 400 V AC | 120 kA |
| Mounting type | Fixed |
| Terminal type | Front terminals |
| Dimensions (H × W × D) | approx. 205 × 140 × 103.5 mm |
| Weight | approx. 3.5 kg |
| EAN | 8015644553340 |
Frequently Asked Questions
What is the ABB 1SDA054237R1 used for?
The ABB 1SDA054237R1 is an 80 A moulded case circuit breaker designed to protect low-voltage electrical distribution circuits against overloads and short circuits.
What is the current rating of the ABB T4L250 1SDA054237R1?
The circuit breaker has a rated current of 80 A and is based on the ABB SACE Tmax T4L 250 frame.
What does TMA 80-800 mean on this ABB circuit breaker?
The breaker uses a TMA thermomagnetic trip unit rated at 80 A, with instantaneous magnetic protection adjustable over a 400–800 A range.
What is the breaking capacity of the ABB 1SDA054237R1?
The T4L version has an ultimate short-circuit breaking capacity of 120 kA at 400 V AC, providing high fault interruption capability for demanding electrical distribution systems.
How is the ABB 1SDA054237R1 installed?
This model is a fixed four-pole circuit breaker with front terminals, designed for installation in electrical distribution panels and switchboards.
Trusted Protection from ABB
ABB SACE Tmax moulded case circuit breakers are engineered for dependable low-voltage power distribution, combining robust switching performance with proven circuit protection for industrial and commercial electrical systems.
