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1SDA054702R1 ABB PR221DS-I 400 A T5 4P Electronic Trip Unit
ABB 1SDA054702R1 is a 400 A four-pole PR221DS-I solid-state electronic trip unit for SACE Tmax T5 moulded-case circuit breakers with overload and adjustable instantaneous short-circuit protection.
£1,127.31
Why Choose the ABB 1SDA054702R1 PR221DS-I 400 A T5 4P Electronic Trip Unit?
The ABB 1SDA054702R1 is a PR221DS-I solid-state electronic trip unit designed for four-pole ABB SACE Tmax T5 moulded-case circuit breakers. With a rated current of 400 A, it provides dependable electronic overcurrent and instantaneous short-circuit protection for industrial and commercial low-voltage power distribution systems.
As part of the ABB SACE Tmax T5 protection platform, the PR221DS uses electronic current sensing to provide accurate circuit protection. The PR221DS-I configuration incorporates long-time overload protection together with instantaneous short-circuit protection, helping protect conductors, switchgear and connected equipment against damaging overcurrent conditions.
This release is designed for a four-pole T5 circuit breaker and has a rated current of 400 A. Its instantaneous short-circuit release can be adjusted over a 400–4000 A range, providing flexibility when coordinating protection with the characteristics of the electrical installation.
Key Advantages
- Electronic protection unit designed for ABB SACE Tmax T5 circuit breakers.
- 400 A rated current for higher-current low-voltage distribution applications.
- Provides overload and instantaneous short-circuit protection.
- Adjustable 400–4000 A instantaneous short-circuit release range.
- Four-pole configuration for compatible four-pole distribution systems.
- Solid-state protection technology provides reliable and repeatable circuit protection.
Key Features
- ABB PR221DS-I solid-state electronic trip unit.
- Designed for ABB SACE Tmax T5 moulded-case circuit breakers.
- 400 A rated current (In).
- Four-pole (4P) configuration.
- Electronic long-time overload protection.
- Instantaneous short-circuit protection.
- 400–4000 A adjustable instantaneous short-circuit release range.
- Designed for AC low-voltage circuit-breaker applications.
Reliable Electronic Protection for Power Distribution
Electronic trip units monitor circuit current and initiate opening of the associated circuit breaker when configured protection thresholds are exceeded. The ABB PR221DS-I provides overload protection for sustained overcurrent conditions together with instantaneous operation when a high short-circuit current occurs.
The adjustable instantaneous release range of 400–4000 A allows the protection response to be coordinated with the characteristics of the installation. Combined with a compatible four-pole ABB SACE Tmax T5 circuit breaker, the release provides a robust solution for industrial feeders, switchboards and low-voltage distribution systems.
Typical Applications
- ABB SACE Tmax T5 moulded-case circuit breaker installations.
- Industrial low-voltage distribution boards.
- Commercial electrical distribution systems.
- Four-pole feeder and branch-circuit protection.
- Machinery and industrial electrical panels.
- Switchboards requiring electronic overload and short-circuit protection.
Technical Specifications
| Series | SACE Tmax T5 |
|---|---|
| ABB order code | 1SDA054702R1 |
| Product type | Solid-state electronic trip unit / release |
| Trip unit | PR221DS-I |
| Suitable for | ABB SACE Tmax T5 moulded-case circuit breaker |
| Rated current (In) | 400 A |
| Number of poles | 4 |
| Protection technology | Solid-state electronic |
| Overload protection | Long-time electronic |
| Short-circuit protection | Instantaneous electronic |
| Instantaneous short-circuit release setting range | 400–4000 A |
| Application | AC circuit protection |
| EAN | 8015644558161 |
Frequently Asked Questions
What is the ABB 1SDA054702R1?
The ABB 1SDA054702R1 is a PR221DS-I solid-state electronic trip unit rated at 400 A for compatible four-pole ABB SACE Tmax T5 moulded-case circuit breakers.
What is the rated current of the ABB PR221DS-I 1SDA054702R1?
The electronic trip unit has a rated current (In) of 400 A.
What protection does the PR221DS-I provide?
The PR221DS-I provides electronic overload protection together with instantaneous short-circuit protection for compatible Tmax T5 circuit breakers.
What is the instantaneous short-circuit setting range?
The instantaneous short-circuit release can be adjusted over a range of 400–4000 A.
How many poles does the ABB 1SDA054702R1 support?
The 1SDA054702R1 is a four-pole (4P) electronic release designed for compatible four-pole ABB SACE Tmax T5 circuit breakers.
Where is the ABB 1SDA054702R1 typically used?
It is typically used in industrial and commercial low-voltage distribution systems, including feeders, switchboards and electrical panels requiring 400 A electronic circuit protection.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax circuit protection products are widely used in industrial and commercial power distribution systems where dependable electronic overload and short-circuit protection is required.
