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1sda054349r1 t5h 400 pr221ds-ls/i in=400 3 pole abb mccb
ABB 1SDA054349R1 Tmax T5H 400 A three-pole fixed moulded case circuit breaker with PR221DS-LS/I electronic trip unit and front terminals for industrial power distribution.
This product has been discontinued
A direct replacement is available below.
Replacement product
ABB XT5H 400 3 pole High MCCB Electronic trip unit LS/I Ii=400A
SKU: 1SDA100490R1
£1,013.89 ex VAT
View
£1,990.82
Why Choose the ABB 1SDA054349R1 Tmax T5H Moulded Case Circuit Breaker?
The ABB 1SDA054349R1 is a high-performance Tmax T5H moulded case circuit breaker (MCCB) designed for reliable protection in industrial and commercial power distribution systems. As part of the proven ABB SACE Tmax T series, this breaker provides dependable overload and short-circuit protection for demanding low-voltage electrical installations.
Featuring a PR221DS-LS/I solid-state electronic release, the ABB 1SDA054349R1 delivers accurate long-time, short-time and instantaneous protection functions. This enables improved circuit coordination, helping protect cables, equipment and downstream electrical components from damaging fault conditions.
With a 400 A rated current, three-pole fixed construction and front terminal connections, this MCCB is ideal for switchboards, distribution panels, feeder circuits and OEM electrical systems. Its 690 V AC rated operational voltage and high short-circuit performance make it suitable for demanding industrial power applications.
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.
- Three-pole fixed MCCB with front terminal connections.
- Suitable for switchboards, feeder circuits and power distribution panels.
- Manufactured by ABB for dependable operation in demanding installations.
Key Features
- ABB SACE Tmax T5H series.
- 400 A rated current.
- Three-pole (3P) 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 Circuit Protection for Power Distribution Systems
Moulded case circuit breakers such as the ABB Tmax T5H are essential for protecting electrical systems against overload and short-circuit faults. By safely disconnecting the circuit during abnormal conditions, the breaker helps reduce equipment damage, cable overheating and unplanned downtime.
The PR221DS-LS/I release provides adjustable electronic protection functions that support reliable coordination across distribution networks. This makes the ABB 1SDA054349R1 suitable for installations where safety, selectivity and continuous operation are key requirements.
Typical Applications
- Industrial switchboards and distribution panels.
- Main incoming and feeder protection.
- Manufacturing and process plant installations.
- Commercial building power distribution.
- OEM machinery and control panels.
- Low-voltage electrical distribution systems.
Technical Specifications
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| Current | 400 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-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 3p F F | |
| Product ID | 1SDA054349R1 | |
| EAN | 8015644554477 | |
| 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 | 3 | |
| 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 × 140 × 103.5 mm | |
| Weight | approx. 4.832 kg |
Frequently Asked Questions
What is the ABB 1SDA054349R1 used for?
The ABB 1SDA054349R1 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 1SDA054349R1?
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 1SDA054349R1 is a three-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 performance and long-term reliability in demanding power distribution applications.
