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ABB MCCB 1sda054047r1-t4h 250 pr221ds-ls/i in=250 3 pole
ABB 1SDA054047R1 Tmax T4H250 three-pole fixed molded case circuit breaker with PR221DS-LS/I electronic release, 250 A rated current and 70 kA breaking capacity at 400 V AC for low voltage circuit protection.
Why Choose the ABB 1SDA054047R1 Tmax T4H250 Circuit Breaker?
The ABB 1SDA054047R1 is a high performance Tmax T4H250 molded case circuit breaker designed for dependable low voltage power distribution and industrial circuit protection. As part of the proven ABB SACE Tmax T4 series, it provides reliable protection against overloads and short circuits while supporting safe operation in demanding electrical installations.
This breaker is supplied in a fixed three-pole configuration with front terminals, making it suitable for switchboards, distribution panels and machinery control assemblies. Its electronic PR221DS-LS/I solid-state protection release provides accurate AC circuit protection, helping safeguard cables, equipment and connected loads in industrial and commercial systems.
With a 250 A rated current, 250 A frame size and 70 kA breaking capacity at 400 V AC, the 1SDA054047R1 is ideal for three-phase distribution applications requiring compact installation, reliable protection and the quality expected from ABB low voltage switchgear.
Key Advantages
- High quality ABB Tmax T4H250 molded case circuit breaker.
- 250 A rated current for industrial and commercial circuit protection.
- Three-pole fixed breaker design for three-phase distribution systems.
- Electronic PR221DS-LS/I solid-state protection release.
- 70 kA breaking capacity at 400 V AC for demanding installations.
- Front terminal arrangement for practical panel and switchboard installation.
Key Features
- ABB SACE Tmax T4 series.
- T4H250 frame size.
- 250 A rated current.
- Three-pole fixed execution.
- Front terminal connection arrangement.
- PR221DS-LS/I electronic trip unit.
- Solid-state release for AC circuit protection.
- Suitable for low voltage electrical distribution.
Reliable Protection for Three-Phase Distribution Systems
Molded case circuit breakers such as the ABB 1SDA054047R1 are designed to automatically disconnect electrical circuits when abnormal current conditions occur. This helps protect conductors, switchgear and connected equipment from damage caused by overloads and short circuits.
The ABB Tmax T4 range is widely used by panel builders, contractors and maintenance engineers because it combines compact dimensions, robust construction and dependable protection technology. Its three-pole design is well suited to industrial feeders, machinery circuits and three-phase distribution systems.
Typical Applications
- Industrial switchboards and distribution panels.
- Three-phase low voltage power distribution systems.
- Commercial electrical installations.
- Motor control centres.
- Machine control panels.
- OEM panel building and automation systems.
Technical Specifications
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| Current | 250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T4 | |
| Model | 1SDA054047R1 | |
| Catalogue description | T4H 250 PR221DS-LS/I In=250 3p F F | |
| Product type | Molded case circuit breaker | |
| Frame | T4H250 | |
| Rated current | 250 A | |
| Rated uninterrupted current | 250 A | |
| Number of poles | 3 pole | |
| Mounting / execution | Fixed | |
| Terminals | Front terminals | |
| Release type | Solid-state electronic release | |
| Trip unit | PR221DS-LS/I | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Breaking capacity | 70 kA at 400 V AC | |
| Standard | IEC 60947 | |
| Dimensions (W × H × D) | 105 × 205 × 103.5 mm | |
| Weight | approx. 3.5 kg |
Frequently Asked Questions
What is the ABB 1SDA054047R1 used for?
The ABB 1SDA054047R1 is used for low voltage circuit protection in switchboards, distribution panels, motor control centres and industrial machinery systems.
What current rating does this breaker have?
This model has a rated current of 250 A.
How many poles does the ABB 1SDA054047R1 have?
It is a three-pole molded case circuit breaker, suitable for three-phase protection and distribution applications.
What trip unit is fitted to this breaker?
The breaker is fitted with an electronic PR221DS-LS/I solid-state protection release.
Where is this breaker typically installed?
It is typically installed in switchboards, distribution panels, control cabinets and OEM machinery panels.
Trusted by Electrical Professionals Worldwide
ABB Tmax molded case circuit breakers are widely specified by panel builders, contractors and industrial engineers for reliable low voltage protection, compact installation and proven operational performance.
