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1SDA054082R1 ABB T4L 250 PR221DS-LS/I 160A 4-Pole Fixed MCCB
ABB 1SDA054082R1 is a fixed four-pole SACE Tmax T4L 250 moulded-case circuit breaker with front terminals, a 160 A PR221DS-LS/I electronic trip unit and 120 kA ultimate short-circuit breaking capacity at 380–415 V AC.
£2,620.84
Why Choose the ABB 1SDA054082R1 T4L 250 Circuit Breaker?
The ABB 1SDA054082R1 is a SACE Tmax T4L 250 four-pole moulded-case circuit breaker designed for dependable protection of AC low-voltage power distribution systems. This fixed breaker combines a 160 A PR221DS-LS/I solid-state electronic trip unit with front terminals, providing electronic overload and short-circuit protection for industrial, commercial and infrastructure installations.
The T4L performance level provides high short-circuit interruption capability, including an ultimate short-circuit breaking capacity (Icu) of 120 kA at 380–415 V AC. The T4L platform is engineered for demanding distribution systems where high prospective fault currents require a compact circuit breaker with substantial breaking performance.
ABB order code 1SDA054082R1 uses the PR221DS-LS/I electronic release with a rated current of 160 A. Its four-pole construction makes it suitable for three-phase systems incorporating a neutral conductor, while the fixed execution and front power terminals provide a straightforward arrangement for installation within compatible low-voltage switchboards.
Key Advantages
- Genuine ABB SACE Tmax T4L 250 moulded-case circuit breaker.
- 160 A PR221DS-LS/I solid-state electronic trip unit.
- High 120 kA Icu at 380–415 V AC short-circuit breaking capacity.
- 4-pole configuration suitable for three-phase and neutral systems.
- Fixed installation with front power terminals.
- Electronic long-time overload and short-circuit protection.
- T4L performance level suited to networks with high prospective fault currents.
- Compact Tmax T4 construction for integration into low-voltage switchboards.
Key Features
- ABB T4L 250 PR221DS-LS/I In=160 4p F F.
- ABB order code 1SDA054082R1.
- T4L 250 frame and performance level.
- Rated trip-unit current of 160 A.
- PR221DS-LS/I solid-state electronic release.
- Long-time and short-circuit protection functions.
- 4-pole circuit-breaker configuration.
- Fixed circuit-breaker execution.
- Front power-terminal arrangement.
- Designed for AC low-voltage power distribution protection.
Electronic Protection with the PR221DS-LS/I Trip Unit
The PR221DS-LS/I electronic trip unit provides current-based protection for low-voltage distribution circuits. Its long-time function protects against sustained overload conditions, while its short-circuit protection responds to higher fault currents, helping protect conductors and downstream equipment from damaging overcurrent conditions.
Combined with the high breaking performance of the T4L platform, the 160 A electronic release makes the ABB 1SDA054082R1 suitable for circuits requiring electronic protection and substantial fault-current interruption capability. Its four-pole design accommodates three-phase and neutral distribution, while the fixed front-terminal configuration supports straightforward switchboard integration.
Typical Applications
- Industrial low-voltage power distribution.
- Main and sub-distribution switchboards.
- Four-pole three-phase and neutral circuits.
- Feeder circuit protection.
- Commercial building electrical distribution.
- Manufacturing and process installations.
- Infrastructure and utility distribution panels.
- Circuits requiring 160 A electronic overload and short-circuit protection.
- Installations with high prospective short-circuit currents.
Technical Specifications
| Product group | 310511-T-Max T4 - T8 |
|---|---|
| Series | SACE Tmax T |
| Order code | 1SDA054082R1 |
| MPN | 1SDA054082R1 |
| Product type | Moulded-case circuit breaker (MCCB) |
| Frame | T4L 250 |
| Frame rated current | 250 A |
| Trip-unit rated current (In) | 160 A |
| Trip unit | PR221DS-LS/I solid-state electronic release |
| Protection functions | Long-time overload and short-circuit protection |
| Number of poles | 4 |
| Installation | Fixed |
| Main terminal position | Front |
| Rated operational voltage | up to 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Icu at 220–230 V AC | 200 kA |
| Icu at 380–415 V AC | 120 kA |
| Icu at 440 V AC | 100 kA |
| Icu at 500 V AC | 85 kA |
| Icu at 690 V AC | 70 kA |
| Product dimensions (W × H × D) | 140 × 205 × 103.5 mm |
Frequently Asked Questions
What is the current rating of the ABB 1SDA054082R1?
The ABB 1SDA054082R1 is equipped with a 160 A PR221DS-LS/I electronic trip unit within the T4L 250 circuit-breaker frame.
What breaking capacity does the ABB 1SDA054082R1 provide?
The T4L breaker provides an ultimate short-circuit breaking capacity (Icu) of 120 kA at 380–415 V AC. The T4L performance level also provides 200 kA at 220–230 V AC, 100 kA at 440 V AC, 85 kA at 500 V AC and 70 kA at 690 V AC.
What trip unit is fitted to the ABB 1SDA054082R1?
The breaker is fitted with an ABB PR221DS-LS/I solid-state electronic trip unit rated at 160 A and providing long-time overload and short-circuit protection.
Is the ABB 1SDA054082R1 a four-pole circuit breaker?
Yes. The ABB 1SDA054082R1 is a four-pole fixed moulded-case circuit breaker, making it suitable for compatible three-phase systems where the neutral conductor is also switched.
What does T4L 250 mean on the ABB 1SDA054082R1?
T4 identifies the ABB SACE Tmax breaker frame, L identifies its high short-circuit performance level, and 250 denotes the frame current size. This particular configuration uses a 160 A PR221DS-LS/I electronic trip unit.
ABB SACE Tmax Circuit Protection
ABB SACE Tmax moulded-case circuit breakers combine compact construction, high short-circuit breaking performance and electronic protection technology for dependable low-voltage power distribution in industrial, commercial and infrastructure applications.
