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1SDA054518R1 ABB T4V 250 PR221DS-I In=250 3P FFC Cu 1150 V AC Moulded Case Circuit Breaker
ABB 1SDA054518R1 T4V 250 PR221DS-I is a fixed three-pole 250 A moulded case circuit breaker with an electronic trip unit, front copper-cable terminals and a 1150 V AC rating for specialised industrial power distribution.
£3,094.39
Why Choose the ABB T4V 250 PR221DS-I In=250 3P FFC Cu 1150 V AC Moulded Case Circuit Breaker?
The ABB T4V 250 PR221DS-I In=250 3P FFC Cu, order code 1SDA054518R1, is a high-performance moulded case circuit breaker (MCCB) designed for specialised AC power distribution applications operating at up to 1150 V AC. As part of the ABB SACE Tmax T4 series, it combines a compact 250 A frame with a PR221DS-I electronic trip unit and high fault-interruption performance.
The PR221DS-I electronic release provides electronic protection for demanding distribution circuits, with protection settings suited to the breaker’s 250 A current rating. Electronic trip technology provides accurate, repeatable response to fault conditions and supports reliable coordination within industrial electrical systems.
With a rated uninterrupted current of 250 A, a three-pole configuration, fixed mounting and front terminals for copper cables, the T4V 250 is engineered for high-voltage AC switchboards and specialised industrial distribution equipment. The V performance version provides an ultimate short-circuit breaking capacity of 20 kA at 1000 V AC and 12 kA at 1150 V AC.
Key Advantages
- Specialised ABB SACE Tmax T4V MCCB for applications up to 1150 V AC.
- 250 A rated uninterrupted current for industrial power distribution.
- PR221DS-I electronic trip unit for dependable electronic circuit protection.
- Three-pole configuration for three-phase electrical systems.
- 20 kA Icu at 1000 V AC and 12 kA Icu at 1150 V AC.
- Fixed construction for permanent switchboard installation.
- Front terminals for copper cables simplify integration into suitable distribution assemblies.
Key Features
- ABB SACE Tmax T4V 250 series.
- 250 A rated current.
- Three-pole configuration.
- PR221DS-I electronic release.
- Designed for specialised applications up to 1150 V AC.
- V high-breaking-capacity performance level.
- 20 kA ultimate breaking capacity at 1000 V AC.
- 12 kA ultimate breaking capacity at 1150 V AC.
- Fixed mounting configuration.
- Front terminals for copper cables up to 1 × 185 mm².
- Optional motor operating mechanism compatibility.
- IP20 protection rating.
Reliable Electronic Protection for High-Voltage AC Distribution
Moulded case circuit breakers such as the ABB T4V 250 provide switching and fault protection for electrical distribution circuits. The PR221DS-I electronic release delivers dependable electronic trip performance, while the breaker’s high-voltage construction enables use in specialised AC systems operating beyond conventional 400–690 V distribution levels.
The ABB SACE Tmax T4 platform combines compact dimensions with robust switching and protection performance. This T4V configuration is specifically suited to high-voltage AC applications, combining a 1150 V AC rating, high-breaking-capacity V performance, fixed mounting and copper-cable front terminals for integration into industrial switchboards and specialised power equipment.
Typical Applications
- Industrial power distribution systems up to 1150 V AC.
- High-voltage AC switchboards and distribution assemblies.
- Renewable-energy and power-conversion installations.
- Industrial machinery operating from elevated AC supply voltages.
- Manufacturing and process plant electrical systems.
- Feeder and distribution circuit protection.
Technical Specifications
| Series | SACE Tmax T4 |
|---|---|
| Order code | 1SDA054518R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T4 250 |
| Performance level | V |
| Rated current (In) | 250 A |
| Rated uninterrupted current (Iu) | 250 A |
| Number of poles | 3 |
| Trip unit | PR221DS-I electronic release |
| Rated operational voltage | 1150 V AC |
| Ultimate short-circuit breaking capacity (Icu) at 1000 V AC | 20 kA |
| Ultimate short-circuit breaking capacity (Icu) at 1150 V AC | 12 kA |
| Mounting | Fixed |
| Terminal position | Front |
| Main connection | Front terminals for copper cables |
| Copper cable capacity | 1 × 185 mm² |
| Operating mechanism | Toggle handle |
| Integrated earth-leakage protection | No |
| Integrated motor operator | No |
| Optional motor operator | Yes |
| Protection rating | IP20 |
| Power dissipation | 10.7 W |
| EAN | 8015644556204 |
Frequently Asked Questions
What is the ABB 1SDA054518R1?
The ABB 1SDA054518R1 is a SACE Tmax T4V 250 fixed three-pole moulded case circuit breaker with a 250 A PR221DS-I electronic trip unit and front terminals for copper cables.
What is the rated current of the ABB T4V 250 PR221DS-I?
The breaker has a rated current and rated uninterrupted current of 250 A.
What voltage is the ABB 1SDA054518R1 designed for?
This specialised Tmax T4V circuit breaker is designed for AC applications with a rated operational voltage of 1150 V AC.
What is the breaking capacity of the ABB T4V 250 at 1150 V AC?
The T4V 250 provides an ultimate short-circuit breaking capacity of 12 kA at 1150 V AC; at 1000 V AC its Icu rating is 20 kA.
What type of terminals does the ABB T4V 250 1SDA054518R1 use?
This configuration uses front terminals for copper cables, with the T4 250 special-application configuration designed for copper conductors up to 1 × 185 mm².
How is the ABB T4V 250 PR221DS-I installed?
The 1SDA054518R1 is a fixed-mounted three-pole circuit breaker intended for integration into industrial switchboards and specialised high-voltage AC distribution equipment.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are used in demanding industrial power-distribution applications worldwide, combining robust construction, dependable electronic protection and specialised solutions for high-voltage AC electrical systems.
