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1SDA054424R1 ABB T5L 630 PR221DS-LS/I 630A 4-Pole MCCB
ABB 1SDA054424R1 is a T5L 630 fixed four-pole moulded case circuit breaker with a 630 A PR221DS-LS/I electronic trip unit, adjustable overload and short-circuit protection, and 120 kA ultimate breaking capacity at 380/400/415 V AC.
£5,438.52
Why Choose the ABB 1SDA054424R1 T5L 630 Moulded Case Circuit Breaker?
The ABB 1SDA054424R1, designated T5L 630 PR221DS-LS/I In=630 4p F F, is a high-performance moulded case circuit breaker (MCCB) designed for demanding low-voltage power distribution systems. Part of the proven ABB SACE Tmax T5 series, it combines a 630 A current rating with a PR221DS-LS/I solid-state electronic release and the high short-circuit interruption capability of the T5L platform.
The PR221DS-LS/I electronic trip unit provides long-time overload and short-circuit protection with adjustable settings for effective coordination within distribution networks. The overload setting can be adjusted from 252–630 A, while the short-circuit protection setting covers 630–5985 A, allowing the breaker to be configured for the requirements of the protected circuit.
The T5L 630 is supplied as a fixed four-pole circuit breaker with front terminals. It provides an ultimate short-circuit breaking capacity of 120 kA at 380/400/415 V AC and is rated for operation up to 690 V AC, making the 1SDA054424R1 a robust solution for industrial, commercial and infrastructure power distribution.
Key Advantages
- High-performance ABB SACE Tmax T5L moulded case circuit breaker for demanding low-voltage distribution.
- 630 A PR221DS-LS/I electronic release provides adjustable electronic overcurrent protection.
- Adjustable overload protection from 252–630 A supports circuit-specific protection settings.
- Adjustable short-circuit protection from 630–5985 A supports effective protection coordination.
- High 120 kA ultimate breaking capacity at 380/400/415 V AC.
- Four-pole fixed construction with front terminals supports integration into three-phase four-wire distribution systems.
Key Features
- ABB SACE Tmax T5L 630 series.
- 630 A rated uninterrupted current.
- 630 A PR221DS-LS/I solid-state electronic release.
- Long-time overload protection.
- Short-circuit protection.
- Overload adjustment from 252–630 A.
- Short-circuit adjustment from 630–5985 A.
- Four-pole circuit breaker configuration.
- Fixed mounting with front terminals.
- L short-circuit performance level.
Reliable Circuit Protection for Industrial Power Distribution
The ABB PR221DS-LS/I solid-state release provides adjustable electronic protection for low-voltage distribution circuits. Its long-time overload setting can be adjusted from 252–630 A, while short-circuit protection can be set from 630–5985 A, providing flexibility for coordinating the breaker with cables, feeders and downstream protective devices.
Combined with four-pole construction, selectable neutral protection and the T5L platform's 120 kA ultimate breaking capacity at 380/400/415 V AC, the 1SDA054424R1 provides a robust protection solution for industrial switchboards and commercial distribution assemblies requiring a high-current electronic MCCB.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incomer and feeder protection in electrical switchboards.
- Three-phase four-wire distribution networks.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure power distribution.
- Installations requiring adjustable electronic protection and high short-circuit interruption capability.
Technical Specifications
| Series | SACE Tmax T5 |
|---|---|
| ABB order code | 1SDA054424R1 |
| Product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T5L 630 |
| Rated uninterrupted current (Iu) | 630 A |
| Trip-unit rated current (In) | 630 A |
| Trip unit | PR221DS-LS/I solid-state electronic release |
| Protection functions | Long-time overload and short-circuit protection |
| Overload release setting | 252–630 A |
| Short-circuit release setting | 630–5985 A |
| Number of poles | 4 |
| Neutral protection settings | OFF / 50% / 100% |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Ultimate short-circuit breaking capacity (Icu) | 200 kA at 220/230 V AC |
| Short-circuit performance level | L |
| Mounting | Fixed |
| Terminal arrangement | Front terminals |
| Main circuit connection | Bolt connection |
| Degree of protection | IP20 |
| Maximum test voltage | 3500 V |
| Standard | IEC |
| Dimensions (H × W × D) | 205 × 165 × 103.5 mm |
| Product net weight | 4.7 kg |
| EAN | 8015644555283 |
Frequently Asked Questions
What is the ABB 1SDA054424R1 used for?
The ABB 1SDA054424R1 is a four-pole moulded case circuit breaker designed to protect demanding low-voltage power distribution circuits against overload and short-circuit conditions.
What is the rated current of the ABB 1SDA054424R1?
The 1SDA054424R1 has a rated uninterrupted current of 630 A and is equipped with a 630 A PR221DS-LS/I electronic trip unit.
What protection does the PR221DS-LS/I trip unit provide?
The PR221DS-LS/I provides adjustable long-time overload and short-circuit protection for low-voltage power distribution circuits.
What are the protection adjustment ranges of the ABB 1SDA054424R1?
The overload release can be adjusted from 252–630 A, while the short-circuit protection setting covers 630–5985 A.
What neutral protection settings are available on the ABB 1SDA054424R1?
The four-pole PR221DS-LS/I configuration provides selectable neutral protection settings of OFF, 50% or 100%.
What is the breaking capacity of the ABB 1SDA054424R1?
The T5L 630 provides an ultimate short-circuit breaking capacity of 120 kA at 380/400/415 V AC, with breaking capacity varying according to the system voltage.
How is the ABB 1SDA054424R1 installed?
The circuit breaker is supplied in a fixed four-pole configuration with front terminals for permanent integration into low-voltage switchboards and distribution assemblies.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers provide dependable electronic overcurrent protection, flexible protection coordination and robust short-circuit interruption for demanding industrial and commercial low-voltage power distribution systems.
