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1SDA083663R1 ABB T4V-HA 250 TMA 250-2500 250 A 3-Pole Fixed Circuit Breaker 800 V AC
ABB 1SDA083663R1 is a SACE Tmax T4V-HA 250 A three-pole fixed moulded case circuit breaker with front terminals, a TMA 250-2500 thermomagnetic trip unit and an 800 V AC application specification.
£2,221.61
Why Choose the ABB T4V-HA 250 TMA 250-2500 Circuit Breaker?
The ABB T4V-HA 250 TMA 250-2500, order code 1SDA083663R1, is a high-performance SACE Tmax T4 moulded case circuit breaker designed for demanding low-voltage AC power distribution applications. This three-pole breaker combines the T4V-HA 250 platform with a TMA 250-2500 thermomagnetic trip unit and is specified for 800 V AC applications.
As part of the ABB SACE Tmax T4 series, the breaker provides dependable overload and short-circuit protection using thermomagnetic trip technology. The TMA release combines thermal protection against sustained overload conditions with magnetic protection for rapid operation during high short-circuit currents.
This model is supplied in a three-pole fixed configuration with front terminals. Its 250 A rating, TMA 250-2500 protection unit and 800 V AC specification make it suitable for compatible industrial distribution systems requiring robust fixed circuit protection.
Key Advantages
- ABB SACE Tmax T4V-HA 250 moulded case circuit breaker.
- Specified for 800 V AC applications.
- 250 A rated current for industrial power distribution.
- TMA 250-2500 thermomagnetic trip unit for overload and short-circuit protection.
- Three-pole fixed construction for three-phase electrical systems.
- Front terminals support straightforward switchboard connection.
Key Features
- ABB SACE Tmax T4V-HA series.
- 250 A rated current.
- TMA 250-2500 trip unit.
- Thermomagnetic protection technology.
- 250 A thermal protection rating.
- 2500 A magnetic protection setting.
- Three-pole configuration.
- 800 V AC application voltage.
- Fixed execution.
- Front terminal configuration.
Thermomagnetic Protection for 800 V AC Distribution
Thermomagnetic circuit breakers combine two complementary protection principles. The thermal element responds to sustained overload currents, while the magnetic element provides rapid operation during severe short-circuit conditions, helping protect conductors and downstream electrical equipment.
The ABB T4V-HA 250 combines this protection with a three-pole fixed construction and front terminals. Its TMA 250-2500 release and 800 V AC specification make it suitable for compatible industrial power distribution systems where robust thermomagnetic protection is required.
Typical Applications
- Industrial AC power distribution systems.
- Three-phase feeder protection.
- Low-voltage electrical distribution switchboards.
- Industrial machinery power distribution.
- Power and control panel assemblies.
- Compatible 800 V AC distribution applications.
Technical Specifications
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| Voltage | 800 V AC | |
|---|---|---|
| Device Type | MCCB | |
| Series | SACE Tmax T4 | |
| ABB order code | 1SDA083663R1 | |
| Product type | Moulded case circuit breaker | |
| Frame / performance version | T4V-HA 250 | |
| Rated current | 250 A | |
| Trip unit | TMA 250-2500 | |
| Trip technology | Thermomagnetic | |
| Thermal protection rating | 250 A | |
| Magnetic protection setting | 2500 A | |
| Number of poles | 3 | |
| Application voltage | 800 V AC | |
| Mounting type | Fixed | |
| Terminal configuration | Front terminals | |
| ABB product group | 310511-T-Max T4 - T8 |
Frequently Asked Questions
What is the ABB 1SDA083663R1?
The ABB 1SDA083663R1 is a T4V-HA 250 three-pole fixed moulded case circuit breaker with front terminals, a TMA 250-2500 thermomagnetic trip unit and an 800 V AC application specification.
What is the rated current of the ABB T4V-HA 250 1SDA083663R1?
The circuit breaker has a rated current of 250 A.
What trip unit is fitted to the ABB T4V-HA 250?
This circuit breaker is fitted with a TMA 250-2500 thermomagnetic trip unit for overload and short-circuit protection.
What do the 250-2500 values indicate on the TMA trip unit?
The TMA configuration provides a 250 A thermal protection rating together with a 2500 A magnetic protection setting.
What voltage is the ABB 1SDA083663R1 specified for?
The T4V-HA 250 is specified for compatible 800 V AC applications.
How is the ABB T4V-HA 250 1SDA083663R1 installed?
This model is supplied as a three-pole fixed circuit breaker with front terminals for integration into compatible electrical switchboards and distribution assemblies.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax circuit breakers are widely used by panel builders, electrical engineers and industrial operators to provide dependable switching and protection in demanding low-voltage power distribution installations.
