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1SDA054646R1 ABB PR222DS/PD-LSIG 250 A T4 4-Pole Electronic Trip Unit
ABB 1SDA054646R1 PR222DS/PD-LSIG is a 250 A communication-enabled electronic trip unit with LSIG protection and Modbus functionality for compatible four-pole SACE Tmax T4 circuit breakers.
£3,074.50
Why Choose the ABB PR222DS/PD-LSIG 250 A T4 4-Pole Electronic Trip Unit?
The ABB 1SDA054646R1 is a PR222DS/PD-LSIG electronic trip unit with a rated current of 250 A, designed for use with four-pole ABB SACE Tmax T4 moulded-case circuit breakers. Part of the ABB Tmax T4–T8 product family, this advanced protection unit combines comprehensive LSIG protection with communication and integrated control functionality for industrial power distribution systems.
The PR222DS/PD platform provides electronic protection against overload, short-circuit and earth-fault conditions while adding dialogue capabilities for integration into monitored and automated electrical installations. Its communication functionality supports Modbus-based supervision, allowing operating information and breaker status to be incorporated into compatible power management and automation systems.
With a rated current of 250 A and compatibility with four-pole Tmax T4 circuit breakers, the 1SDA054646R1 is suited to distribution applications requiring selective LSIG protection together with remote communication and control capabilities.
Key Advantages
- Advanced electronic trip unit for ABB SACE Tmax T4 circuit breakers.
- 250 A rated current for industrial power distribution applications.
- LSIG protection covering long-time, short-time, instantaneous and earth-fault functions.
- Designed for four-pole T4 circuit breaker configurations.
- Integrated communication and control functionality.
- Modbus communication capability supports integration with monitoring and automation systems.
Key Features
- ABB PR222DS/PD-LSIG electronic release.
- 250 A rated current (In).
- LSIG protection functions.
- Suitable for ABB SACE Tmax T4 circuit breakers.
- 4-pole configuration.
- Dialogue functionality for communication-enabled power distribution systems.
- Integrated control functionality for compatible Tmax installations.
- Designed for dependable circuit protection and system supervision.
Advanced Protection and Communication
The ABB PR222DS/PD series combines electronic circuit protection with communication and integrated control functions. LSIG protection enables the trip unit to respond to overloads, short circuits and earth faults, helping protect electrical distribution equipment and downstream circuits against damaging fault conditions.
The communication-enabled PR222DS/PD design is particularly useful in industrial installations where circuit-breaker information forms part of a wider monitoring or automation architecture. This makes the unit suitable for intelligent switchboards, distribution panels and other applications requiring both dependable protection and system connectivity.
Typical Applications
- Industrial low-voltage power distribution systems.
- ABB SACE Tmax T4 moulded-case circuit breakers.
- Four-pole electrical distribution circuits.
- Communication-enabled switchboards and control panels.
- Industrial plants and manufacturing facilities.
- Power monitoring and building automation systems.
Technical Specifications
| Product family | SACE Tmax T4–T8 |
|---|---|
| Trip unit series | PR222DS/PD |
| ABB order code | 1SDA054646R1 |
| Product type | Electronic trip unit / electronic release |
| Rated current (In) | 250 A |
| Protection functions | LSIG |
| Long-time protection | L |
| Short-time protection | S |
| Instantaneous protection | I |
| Earth-fault protection | G |
| Communication | Modbus |
| Compatible circuit breaker | ABB SACE Tmax T4 |
| Number of poles | 4 |
Frequently Asked Questions
What is the ABB 1SDA054646R1?
The ABB 1SDA054646R1 is a PR222DS/PD-LSIG electronic trip unit rated at 250 A for compatible four-pole ABB SACE Tmax T4 circuit breakers.
What protection functions does the PR222DS/PD-LSIG provide?
It provides LSIG protection, covering long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection.
What is the rated current of the ABB 1SDA054646R1?
The electronic trip unit has a rated current (In) of 250 A.
Does the PR222DS/PD-LSIG support communication?
Yes. The PR222DS/PD is a communication-enabled electronic trip unit with Modbus dialogue functionality for integration into compatible monitoring and control systems.
Which circuit breaker is the 1SDA054646R1 designed for?
It is designed for compatible four-pole ABB SACE Tmax T4 moulded-case circuit breakers.
Trusted ABB Circuit Protection Technology
ABB SACE Tmax electronic trip units provide dependable circuit protection, flexible protection functions and communication capabilities for industrial and commercial low-voltage power distribution systems.
