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1sda054325r1 t5n 400 pr221ds-ls/i in=400 4 pole abb mccb
ABB 1SDA054325R1 Tmax T5N 400 moulded case circuit breaker with PR221DS-LS/I solid-state electronic release, 400 A rated current, four-pole configuration and fixed front terminals for industrial power distribution.
This product has been discontinued
A direct replacement is available below.
Replacement product
ABB XT5N 400 4 pole Normal MCCB Electronic trip unit LS/I Ii=400A
SKU: 1SDA100396R1
£1,245.34 ex VAT
View
£2,375.44
Why Choose the ABB 1SDA054325R1 Tmax T5N Moulded Case Circuit Breaker?
The ABB 1SDA054325R1 is a high performance Tmax T5N moulded case circuit breaker (MCCB) designed to deliver dependable protection for industrial power distribution systems, electrical switchboards and low voltage installations. As part of the established ABB SACE Tmax T series, it combines robust construction with solid-state electronic protection for accurate and reliable circuit safety.
This MCCB features a PR221DS-LS/I electronic release, 400 A rated current, four-pole configuration and fixed front terminals. It is suitable for applications requiring dependable overload and short circuit protection in demanding three-phase networks with neutral switching or isolation.
With its T5N 400 frame, compact fixed design and front terminal arrangement, the ABB 1SDA054325R1 supports efficient panel integration while helping protect cables, switchgear and connected equipment from electrical faults.
Key Advantages
- High quality ABB Tmax T5N moulded case circuit breaker.
- 400 A rated current for industrial distribution circuits.
- PR221DS-LS/I solid-state electronic release for accurate protection control.
- LS/I protection for overload and short circuit faults.
- Four-pole fixed design for systems requiring neutral switching.
- Front terminal connections for straightforward switchboard wiring.
Key Features
- ABB SACE Tmax T series.
- T5N 400 frame size.
- PR221DS-LS/I electronic release.
- 400 A rated current.
- Four-pole fixed circuit breaker.
- Front terminal connection.
- Electronic LS/I protection for overload and short circuit faults.
- Designed for industrial low voltage power distribution.
Electronic Protection for Industrial Power Distribution
The ABB 1SDA054325R1 uses a PR221DS-LS/I solid-state electronic release to provide reliable protection against overloads and short circuit faults. This helps safeguard switchgear, cables and connected equipment while supporting continuity of service in industrial installations.
Its four-pole fixed construction makes it suitable for three-phase distribution networks requiring neutral switching or isolation, while the front terminal design allows efficient integration into switchboards, control panels and distribution assemblies.
Typical Applications
- Industrial low voltage switchboards.
- Main and sub-distribution panels.
- Feeder circuit protection.
- Motor control centres.
- OEM machinery and automation panels.
- Commercial electrical infrastructure.
- Generator and standby power distribution systems.
Technical Specifications
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| Current | 400 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Product code | 1SDA054325R1 | |
| Model | T5N 400 PR221DS-LS/I In=400 4p F F | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | T5N 400 | |
| Rated current | 400 A | |
| Rated uninterrupted current | 400 A | |
| Trip unit | PR221DS-LS/I electronic release | |
| Release type | Solid-state electronic | |
| Number of poles | 4P | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated ultimate breaking capacity | 36 kA at 415 V AC | |
| Rated service breaking capacity | 36 kA at 415 V AC | |
| Rated short-time withstand current | 5 kA for 1 second | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Dimensions (W × H × D) | approx. 186 × 205 × 103.5 mm | |
| Weight | approx. 6.07 kg |
Frequently Asked Questions
What is the ABB 1SDA054325R1 used for?
The ABB 1SDA054325R1 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?
This moulded case circuit breaker has a 400 A rated current.
What trip unit is fitted to this breaker?
The ABB 1SDA054325R1 is fitted with a PR221DS-LS/I solid-state electronic release for overload and short circuit protection.
How many poles does this circuit breaker have?
This model is supplied as a four-pole (4P) moulded case circuit breaker.
Where is this MCCB typically installed?
It is typically installed in industrial switchboards, power distribution panels, motor control centres and low voltage feeder circuits.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers worldwide for accurate protection, robust construction and dependable long-term performance.
