Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SDA054142R1 ABB T4L 320 PR221DS-I 320 A 3-Pole MCCB
ABB 1SDA054142R1 is a T4L 320 fixed three-pole moulded case circuit breaker with a 320 A PR221DS-I electronic trip unit for overload and instantaneous short-circuit protection in demanding low-voltage power distribution systems.
£3,015.87
Why Choose the ABB 1SDA054142R1 T4L 320 Moulded Case Circuit Breaker?
The ABB 1SDA054142R1, designated T4L 320 PR221DS-I In=320 3p F F, is a high-performance moulded case circuit breaker (MCCB) designed for dependable protection of low-voltage AC power distribution systems. As part of the proven ABB SACE Tmax T4 series, it combines a compact frame, electronic overcurrent protection and high short-circuit interruption capability for demanding industrial and commercial installations.
This circuit breaker is equipped with the PR221DS-I solid-state electronic trip unit rated at 320 A. The electronic release provides long-time overload and instantaneous short-circuit protection, helping safeguard conductors, switchgear and downstream electrical equipment against damaging overcurrent and fault conditions.
The T4L 320 is supplied as a fixed three-pole circuit breaker with front terminals. Its L short-circuit performance level provides high breaking capability for three-phase distribution systems, making the 1SDA054142R1 suitable for industrial switchboards and installations where substantial prospective fault currents may occur.
Key Advantages
- High-performance ABB SACE Tmax T4L moulded case circuit breaker.
- 320 A rated current for substantial industrial distribution loads.
- PR221DS-I electronic trip unit provides overload and instantaneous short-circuit protection.
- High L-class short-circuit interruption performance for demanding distribution systems.
- Three-pole fixed configuration for three-phase electrical installations.
- Front-terminal arrangement supports straightforward integration into low-voltage switchboards.
Key Features
- ABB SACE Tmax T4L 320 series.
- 320 A rated current.
- PR221DS-I solid-state electronic release.
- Long-time overload protection.
- Instantaneous short-circuit protection.
- Three-pole circuit breaker configuration.
- Fixed mounting construction.
- Front terminals for the main circuit connections.
- L short-circuit performance level.
Reliable Circuit Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB T4L 320 protect low-voltage electrical systems by detecting and interrupting excessive current caused by overload and short-circuit conditions. The PR221DS-I electronic release combines adjustable long-time overload protection with instantaneous short-circuit protection to help protect distribution circuits and connected equipment.
The T4L performance level provides substantial fault-current interruption capability while retaining the compact construction of the Tmax T4 platform. Combined with its fixed three-pole arrangement and front terminals, the 1SDA054142R1 provides an effective protection solution for industrial switchboards, distribution panels and other demanding three-phase low-voltage systems.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main and feeder protection in electrical switchboards.
- Three-phase distribution panels.
- Manufacturing and process plant electrical systems.
- Commercial and infrastructure power distribution.
- Industrial control panels and electrical distribution assemblies.
Technical Specifications
| Series | SACE Tmax T4 |
|---|---|
| ABB order code | 1SDA054142R1 |
| Product group | 310511-T-Max T4 - T8 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T4L 320 |
| Rated current | 320 A |
| Number of poles | 3 |
| Trip unit | PR221DS-I solid-state electronic release |
| Protection functions | Long-time overload and instantaneous short-circuit protection |
| Mounting | Fixed |
| Terminal arrangement | Front terminals |
| Short-circuit performance level | L |
Frequently Asked Questions
What is the ABB 1SDA054142R1 used for?
The ABB 1SDA054142R1 is a three-pole moulded case circuit breaker designed to protect low-voltage AC distribution circuits against overload and short-circuit conditions.
What is the rated current of the ABB 1SDA054142R1?
The T4L 320 circuit breaker is equipped with a 320 A PR221DS-I electronic trip unit for low-voltage distribution protection.
What trip unit does the ABB 1SDA054142R1 use?
It uses the ABB PR221DS-I solid-state electronic release, designed to provide overload and instantaneous short-circuit protection.
What protection functions does the PR221DS-I provide?
The PR221DS-I provides long-time overload protection and instantaneous short-circuit protection for the connected distribution circuit.
How many poles does the ABB 1SDA054142R1 have?
The 1SDA054142R1 is a three-pole circuit breaker intended for three-phase low-voltage power distribution systems.
How is the ABB 1SDA054142R1 installed?
This model is a fixed circuit breaker with front terminals, making it suitable for permanent integration into electrical switchboards and distribution assemblies.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are widely used in industrial and commercial power distribution systems to provide dependable overcurrent protection, high short-circuit performance and flexible integration into low-voltage switchboards and electrical installations.
