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1sda054357r1 t5h 400 pr221ds-ls/i in=400 4 pole abb mccb
ABB 1SDA054357R1 Tmax T5H 400 A four-pole fixed moulded case circuit breaker with PR221DS-LS/I electronic trip unit and front terminals for industrial power distribution.
£2,587.43
Why Choose the ABB 1SDA054357R1 Tmax T5H Moulded Case Circuit Breaker?
The ABB 1SDA054357R1 is a high-performance Tmax T5H moulded case circuit breaker (MCCB) designed for reliable circuit protection in industrial and commercial low-voltage power distribution systems. As part of the trusted ABB SACE Tmax T series, this breaker provides dependable overload and short-circuit protection for demanding electrical installations.
Fitted with a PR221DS-LS/I solid-state electronic release, the ABB 1SDA054357R1 provides long-time, short-time and instantaneous protection functions for accurate system coordination. Its electronic protection supports improved selectivity, operational safety and protection reliability across complex power distribution networks.
With a 400 A rated current, four-pole fixed construction and front terminal connections, this MCCB is well suited to switchboards, distribution panels, feeder protection and OEM electrical assemblies. Its 690 V AC rated operational voltage and high short-circuit performance make it a strong choice for demanding industrial installations requiring four-pole protection.
Key Advantages
- High-performance 400 A moulded case circuit breaker for industrial power protection.
- ABB Tmax T5H construction with high short-circuit breaking capacity.
- PR221DS-LS/I electronic trip unit for accurate protection and coordination.
- Four-pole fixed MCCB with front terminal connections.
- Suitable for switchboards, distribution panels and feeder circuits.
- Manufactured by ABB for reliable operation in demanding installations.
Key Features
- ABB SACE Tmax T5H series.
- 400 A rated current.
- Four-pole (4P) fixed configuration.
- PR221DS-LS/I solid-state electronic release.
- Long-time, short-time and instantaneous protection functions.
- 690 V AC rated operational voltage.
- Front terminal connection arrangement.
- High short-circuit performance level H.
- Compact moulded case design for panel installation.
Reliable Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB Tmax T5H are essential for protecting low-voltage electrical systems from overloads and short-circuit faults. By disconnecting the circuit during abnormal conditions, the breaker helps protect equipment, cabling and downstream electrical components from damage.
The PR221DS-LS/I release provides adjustable electronic protection functions, allowing engineers to coordinate protection settings across complex electrical installations. This supports improved selectivity, reduced downtime and safer operation in industrial and commercial power networks.
Typical Applications
- Industrial switchboards and distribution panels.
- Main incoming and feeder protection.
- Commercial building power distribution.
- Manufacturing and process plant installations.
- OEM machinery and electrical control panels.
- Low-voltage power distribution networks requiring four-pole protection.
Technical Specifications
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| Current | 400 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T5H | |
| Model | T5H 400 PR221DS-LS/I In=400 4p F F | |
| Product ID | 1SDA054357R1 | |
| EAN | 8015644554552 | |
| Product type | Moulded case circuit breaker | |
| Rated current | 400 A | |
| Rated uninterrupted current | 400 A | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Number of poles | 4 | |
| Trip unit | PR221DS-LS/I | |
| Release type | Electronic | |
| Rated service short-circuit breaking capacity | 70 kA at 400 / 415 V AC | |
| Rated ultimate short-circuit breaking capacity | 70 kA at 400 / 415 V AC | |
| Short-circuit performance level | H | |
| Connection type | Front terminals | |
| Mounting type | Fixed | |
| Standards | IEC 60947 | |
| Mechanical durability | 20,000 operating cycles | |
| Electrical durability | 7,000 operating cycles | |
| Dimensions (H × W × D) | approx. 205 × 186 × 103.5 mm | |
| Weight | approx. 6.3 kg |
Frequently Asked Questions
What is the ABB 1SDA054357R1 used for?
The ABB 1SDA054357R1 is used to protect industrial and commercial electrical circuits against overloads and short-circuit faults.
What current rating does this MCCB have?
This breaker has a 400 A rated current, making it suitable for demanding power distribution applications.
What trip unit is fitted to the ABB 1SDA054357R1?
It is fitted with a PR221DS-LS/I electronic trip unit for long-time, short-time and instantaneous protection.
How many poles does this circuit breaker have?
The ABB 1SDA054357R1 is a four-pole fixed moulded case circuit breaker.
Where is this breaker typically installed?
It is typically installed in industrial switchboards, distribution panels, feeder circuits and OEM electrical control panels.
Trusted by Electrical Engineers Worldwide
ABB Tmax moulded case circuit breakers are trusted by panel builders, contractors and industrial engineers worldwide for dependable circuit protection, high breaking performance and long-term reliability in demanding power distribution applications.
