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1sda054316r1 t5n 400 pr221ds-ls/i in=320 3 pole abb mccb
ABB 1SDA054316R1 Tmax T5N 400 moulded case circuit breaker with PR221DS-LS/I solid-state electronic release, 320 A rated current, three-pole configuration and fixed front terminals for industrial power distribution.
£1,784.39
Why Choose the ABB 1SDA054316R1 Tmax T5N Moulded Case Circuit Breaker?
The ABB 1SDA054316R1 is a high performance Tmax T5N moulded case circuit breaker (MCCB) designed to provide reliable protection for industrial power distribution systems, switchboards and low voltage electrical installations. As part of the established ABB SACE Tmax T series, it combines advanced electronic protection with robust construction for dependable long-term operation.
This MCCB features a PR221DS-LS/I solid-state electronic release, 320 A rated current, three-pole configuration and fixed front terminals. It is suitable for applications requiring precise overload and short circuit protection across industrial distribution boards, feeder circuits and commercial electrical infrastructure.
With its T5N 400 frame, compact fixed design and electronic trip functionality, the ABB 1SDA054316R1 supports reliable fault management while helping maintain continuity of service in demanding low voltage power systems.
Key Advantages
- High quality ABB Tmax T5N moulded case circuit breaker.
- 320 A rated current for industrial distribution applications.
- PR221DS-LS/I electronic trip unit for accurate protection control.
- Three-pole fixed design for three-phase low voltage systems.
- Front terminal connections for straightforward panel wiring.
- Robust MCCB construction suitable for switchboards and feeder protection.
Key Features
- ABB SACE Tmax T series.
- T5N 400 frame size.
- PR221DS-LS/I solid-state electronic release.
- 320 A rated current.
- Three-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 1SDA054316R1 uses an electronic PR221DS-LS/I release to provide dependable protection against overloads and short circuit faults. This supports improved protection accuracy compared with traditional thermal magnetic devices, helping safeguard cables, switchgear and connected electrical equipment.
Its three-pole design makes it suitable for three-phase industrial networks, while the fixed front terminal arrangement enables efficient installation inside 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 | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 36 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Product code | 1SDA054316R1 | |
| Model | T5N 400 PR221DS-LS/I In=320 3p F F | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | T5N 400 | |
| Rated current | 320 A | |
| Rated uninterrupted current | 400 A | |
| Trip unit | PR221DS-LS/I electronic release | |
| Release type | Solid-state electronic | |
| Number of poles | 3P | |
| 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 | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Dimensions (W × H × D) | approx. 140 × 205 × 103.5 mm | |
| Weight | approx. 4.85 kg |
Frequently Asked Questions
What is the ABB 1SDA054316R1 used for?
The ABB 1SDA054316R1 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 320 A rated current.
What trip unit is fitted to this breaker?
The ABB 1SDA054316R1 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 three-pole (3P) 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.
