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1sda054020r1 t4n 250 pr222ds/p-lsig in=250 4 pole abb mccb
ABB 1SDA054020R1 Tmax T4N 250 moulded case circuit breaker with PR222DS/P-LSIG electronic trip unit, 250 A rated current, 4-pole fixed configuration and front terminals for low voltage power distribution.
Why Choose the ABB 1SDA054020R1 Tmax T4N 250 MCCB?
The ABB 1SDA054020R1 is a robust and reliable Tmax T4N moulded case circuit breaker (MCCB) designed for dependable protection of low voltage power distribution systems. As part of the proven ABB SACE Tmax T series, this breaker is engineered for industrial, commercial and OEM applications where accurate circuit protection and long service life are essential.
This MCCB features a PR222DS/P-LSIG electronic trip unit, providing adjustable protection against overloads, short circuits, instantaneous faults and earth faults. Its electronic release supports improved selectivity and helps reduce unwanted tripping in complex distribution networks.
With a 250 A rated current, 4-pole fixed configuration and front terminal connections, the ABB 1SDA054020R1 is ideal for switchboards, panel boards, motor control centres and industrial power distribution systems requiring reliable, high-performance circuit protection.
Key Advantages
- High-quality ABB Tmax T4N moulded case circuit breaker.
- 250 A rated current for demanding power distribution systems.
- PR222DS/P-LSIG electronic trip unit for advanced protection control.
- Four-pole fixed design suitable for three-phase systems with neutral protection.
- Front terminal configuration for straightforward panel installation.
- Designed for industrial, commercial and infrastructure electrical applications.
Key Features
- ABB SACE Tmax T series.
- T4N 250 MCCB frame.
- 250 A rated current.
- 4-pole fixed circuit breaker.
- PR222DS/P-LSIG solid-state electronic release.
- Long-time, short-time, instantaneous and earth fault protection.
- Front terminal connections.
- Designed for low voltage power distribution and circuit protection.
Advanced Circuit Protection for Low Voltage Systems
Moulded case circuit breakers such as the ABB Tmax T4N provide essential protection for electrical installations by disconnecting circuits during abnormal conditions. The PR222DS/P-LSIG release allows the protection settings to be matched to the application, helping improve system coordination and operational reliability.
The ABB 1SDA054020R1 is suitable for applications where consistent protection performance, robust construction and integration into professional switchgear assemblies are required. Its four-pole configuration makes it particularly useful where neutral switching or full-pole isolation is needed.
Typical Applications
- Industrial switchboards and distribution panels.
- Commercial building electrical systems.
- Motor control centres.
- Transformer and feeder protection.
- Generator and backup power systems.
- OEM machinery panels.
- Infrastructure and utilities installations.
Technical Specifications
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| Current | 250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4N 250 | |
| Part number | 1SDA054020R1 | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Rated current | 250 A | |
| Rated voltage | 690 V AC | |
| Number of poles | 4 | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Trip unit | PR222DS/P-LSIG electronic release | |
| Breaking capacity | 36 kA at 415 V AC | |
| EAN | 8015644551063 | |
| Standards | IEC 60947 |
Frequently Asked Questions
What is the ABB 1SDA054020R1 used for?
The ABB 1SDA054020R1 is used to protect low voltage electrical circuits against overloads, short circuits and earth faults in industrial and commercial power distribution systems.
What is the rated current of this MCCB?
This circuit breaker has a rated current of 250 A.
What trip unit is fitted to the ABB 1SDA054020R1?
It is fitted with a PR222DS/P-LSIG electronic trip unit, providing long-time, short-time, instantaneous and earth fault protection functions.
How many poles does this breaker have?
The ABB 1SDA054020R1 is a 4-pole moulded case circuit breaker.
Where is this MCCB typically installed?
It is typically installed in switchboards, distribution panels, motor control centres and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB Tmax moulded case circuit breakers are widely trusted by panel builders, electrical contractors and industrial engineers for dependable circuit protection, flexible configuration and proven performance in demanding low voltage installations.
