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ABB 1SDA055436R1 Tmax T4H 250 UL three-pole moulded case circuit breaker with 150 A PR222DS/P-LSIG electronic trip unit for industrial low voltage power distribution.
The ABB 1SDA055436R1 is a high performance Tmax T4H 250 UL moulded case circuit breaker (MCCB) designed for reliable protection in low voltage electrical distribution systems. As part of the proven ABB SACE Tmax T series, this three-pole breaker is engineered for industrial switchboards, machinery panels, commercial installations and OEM electrical assemblies requiring dependable overload, short circuit and earth fault protection.
This MCCB is fitted with an ABB PR222DS/P-LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground fault protection functions. The electronic release supports accurate trip performance, improved system coordination and enhanced protection flexibility, making it suitable for demanding installations where electrical safety and continuity of service are essential.
With a 250 A frame size, 150 A rated current and high performance T4H interrupting capacity class, the ABB 1SDA055436R1 is ideal for professional switchgear assemblies and industrial power distribution systems requiring robust construction, compact installation and trusted ABB engineering.
Moulded case circuit breakers such as the ABB Tmax T4H protect electrical circuits by disconnecting the supply during overload, short circuit or ground fault conditions. This helps reduce the risk of cable damage, equipment failure and electrical hazards within low voltage distribution systems.
The ABB 1SDA055436R1 is designed for professional switchgear and control panel applications. Its electronic protection release, high performance breaker frame and three-pole construction make it a dependable choice for industrial machinery, commercial distribution systems and OEM electrical assemblies.
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| Current | 150 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4H 250 UL/CSA PR222DS/P-LSIG 150 3P | |
| Product ID | 1SDA055436R1 | |
| EAN | 8015644567378 | |
| Product type | Moulded Case Circuit Breaker | |
| Frame size | T4 250 | |
| Rated current (In) | 150 A | |
| Number of poles | 3 | |
| Trip unit | PR222DS/P-LSIG | |
| Protection functions | Long-time, short-time, instantaneous and ground fault | |
| Short-circuit performance level | H | |
| Standards / approvals | UL / CSA | |
| Application | Low voltage power distribution | |
| Mounting type | Fixed installation | |
| Breaker family | ABB Tmax T4 |
This MCCB is used to protect low voltage electrical circuits from overloads, short circuits and ground fault conditions in industrial, commercial and OEM power distribution systems.
The ABB 1SDA055436R1 has a rated current of 150 A within a 250 A frame size.
This model is a three-pole moulded case circuit breaker, making it suitable for three-phase electrical systems.
It is fitted with an ABB PR222DS/P-LSIG electronic trip unit, providing long-time, short-time, instantaneous and ground fault protection functions.
It is typically installed in switchboards, distribution panels, control cabinets, motor control centres and industrial electrical systems requiring advanced circuit protection.
ABB Tmax moulded case circuit breakers are widely trusted by panel builders, electrical engineers and industrial facilities for dependable circuit protection, high interrupting capacity and long-term performance in critical power distribution systems.
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