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1sda055412r1 t4n 250 ul/csapr221ds-ls/i 150 3 pole abb mccb
ABB 1SDA055412R1 SACE Tmax T4N moulded case circuit breaker, 150 A, three pole, fixed front terminals with PR221DS-LS/I R150 solid-state electronic release for AC low voltage circuit protection.
Why Choose the ABB 1SDA055412R1 Tmax T4N Moulded Case Circuit Breaker?
The ABB 1SDA055412R1 is a dependable ABB SACE Tmax T4N moulded case circuit breaker (MCCB) designed for low voltage circuit protection in industrial and commercial electrical installations. Built for demanding distribution environments, it provides reliable protection against overload and short-circuit faults while supporting safe operation in switchboards, machinery panels and power distribution systems.
This model is part of the proven ABB Tmax T4N 250 UL/CSA range and is supplied as a fixed three-pole circuit breaker with front terminals. It features a solid-state electronic release in AC, identified as PR221DS-LS/I R150, offering accurate protection for low voltage applications requiring dependable ABB circuit breaker performance.
With a 150 A rated current, three-pole configuration and compact Tmax T4 frame design, the ABB 1SDA055412R1 is well suited to industrial switchboards, motor control centres, machinery control panels and commercial power distribution systems requiring robust ABB protection.
Key Advantages
- Genuine ABB SACE Tmax T4N moulded case circuit breaker.
- 150 A rated current for low voltage power distribution.
- Three-pole fixed breaker with front terminal connections.
- Solid-state electronic release for accurate circuit protection.
- UL/CSA version suitable for specified industrial and panel building applications.
- Designed for switchboards, machinery panels and industrial distribution systems.
Key Features
- ABB SACE Tmax T4N 250 UL/CSA series.
- Model: T4N 250 UL/CSA PR221DS-LS/I 150 3p F F.
- 150 A rated current.
- Three-pole configuration.
- Fixed mounting type.
- Front terminal connections.
- PR221DS-LS/I R150 electronic release.
- Designed for AC low voltage circuit protection applications.
Reliable Protection for Low Voltage Distribution Systems
Moulded case circuit breakers such as the ABB Tmax T4N are designed to protect electrical circuits by disconnecting the supply during overload or short-circuit fault conditions. This helps protect cables, switchgear and connected equipment while reducing the risk of damage and operational downtime.
The ABB 1SDA055412R1 combines compact installation, front terminal wiring and electronic protection technology, making it a practical choice for engineers, panel builders and maintenance teams working with low voltage industrial distribution systems.
Typical Applications
- Industrial low voltage switchboards.
- Power distribution panels.
- Motor control centres.
- Machinery control panels.
- Commercial electrical installations.
- OEM panel building and automation systems.
Technical Specifications
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| Current | 150 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T4N | |
| Part number | 1SDA055412R1 | |
| EAN | 8015644579807 | |
| Model | T4N 250 UL/CSA PR221DS-LS/I 150 3p F F | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Frame size | T4N 250 | |
| Rated current | 150 A | |
| Number of poles | 3 | |
| Trip unit | Solid-state electronic release | |
| Release type | PR221DS-LS/I R150 | |
| Terminal type | Front terminals | |
| Mounting type | Fixed | |
| Application | AC low voltage circuit protection |
Frequently Asked Questions
What is the ABB 1SDA055412R1 used for?
It is used to protect low voltage electrical circuits from overload and short-circuit faults in switchboards, machinery panels and industrial distribution systems.
What is the rated current of this MCCB?
The ABB 1SDA055412R1 has a rated current of 150 A.
How many poles does this circuit breaker have?
This model is supplied as a three-pole moulded case circuit breaker.
What type of release does this breaker use?
It uses a solid-state electronic release, identified as PR221DS-LS/I R150.
Where is this MCCB typically installed?
It is typically installed in industrial switchboards, power distribution panels, motor control centres and machinery control systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by electrical engineers, panel builders and industrial maintenance teams worldwide for reliable circuit protection, durable construction and proven performance in low voltage systems.
