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1sda054011r1 t4n 250 pr221ds-ls/i in=250 4 pole abb mccb
ABB 1SDA054011R1 SACE Tmax T4N 250 moulded case circuit breaker with PR221DS-LS/I electronic trip unit, 250 A rated current and fixed four-pole front terminal configuration for low voltage power distribution.
Why Choose the ABB 1SDA054011R1 Tmax T4N 250 MCCB?
The ABB 1SDA054011R1 is a high quality Tmax T4N moulded case circuit breaker (MCCB) designed for reliable low voltage electrical distribution and circuit protection. As part of the trusted ABB SACE Tmax T series, this breaker provides dependable protection for industrial switchboards, commercial distribution panels and OEM electrical assemblies.
This model is fitted with a PR221DS-LS/I electronic trip unit, providing long-time, short-time and instantaneous protection functions for AC installations. Its fixed four-pole construction and front terminal arrangement make it suitable for panel builders and electrical engineers requiring compact, accurate and dependable circuit protection.
With a 250 A rated current, T4N 250 frame size and four-pole fixed configuration, the ABB 1SDA054011R1 is ideal for feeder protection, sub-distribution circuits, machinery panels and power systems where neutral protection or four-pole isolation is required.
Key Advantages
- High quality ABB SACE Tmax T4N moulded case circuit breaker.
- 250 A rated current for industrial and commercial distribution systems.
- PR221DS-LS/I electronic trip unit for accurate protection.
- Four-pole fixed breaker with front terminals.
- Provides long-time, short-time and instantaneous protection.
- Suitable for switchboards, distribution panels and OEM equipment.
Key Features
- ABB SACE Tmax T series.
- T4N 250 frame size.
- 250 A rated current.
- PR221DS-LS/I electronic release.
- LS/I protection functions.
- Four-pole fixed configuration.
- Front terminal connection.
- Designed for low voltage AC electrical installations.
Reliable Protection for Low Voltage Distribution
The ABB Tmax T4N range is engineered to protect electrical circuits from overload and short circuit conditions while supporting reliable operation of low voltage power systems. Electronic trip units provide accurate protection settings, helping engineers achieve dependable performance in demanding installations.
The ABB 1SDA054011R1 is particularly useful where a four-pole MCCB is required, providing protection and switching capability across three phases and neutral. This makes it suitable for distribution systems, control panels and electrical assemblies that require full four-pole isolation.
Typical Applications
- Industrial switchboards.
- Commercial electrical distribution.
- Four-pole feeder protection circuits.
- Machine control panels.
- OEM electrical equipment.
- Infrastructure and building services 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 PR221DS-LS/I | |
| SKU | 1SDA054011R1 | |
| EAN | 8015644550974 | |
| Alternative SKU | T4N 250 PR221DS-LS/I In=250 4p F F | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current (In) | 250 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Frame size | T4N 250 | |
| Trip unit | PR221DS-LS/I electronic release | |
| Protection functions | Long-time, Short-time and Instantaneous (LS/I) | |
| Number of poles | 4 | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate breaking capacity (Icu) | 36 kA at 415 V AC | |
| Rated service breaking capacity (Ics) | 36 kA at 415 V AC | |
| Dimensions (W × H × D) | approx. 140 × 205 × 103.5 mm | |
| Weight | approx. 3.05 kg | |
| Standard | IEC 60947 |
Frequently Asked Questions
What is the ABB 1SDA054011R1 used for?
It is used to protect low voltage electrical circuits against overloads and short circuits in industrial and commercial power distribution systems.
What is the rated current of this MCCB?
The ABB 1SDA054011R1 has a 250 A rated current.
How many poles does this breaker have?
This model is a four-pole fixed moulded case circuit breaker.
What trip unit is fitted?
The breaker is fitted with an ABB PR221DS-LS/I electronic trip unit providing long-time, short-time and instantaneous protection functions.
Where is this MCCB typically installed?
It is commonly installed in switchboards, distribution panels, machinery panels and commercial electrical systems.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers worldwide for reliable low voltage protection, robust construction and dependable performance in demanding electrical distribution applications.
