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1sda054117r1 t4n 320 pr221ds-ls/i in=320 3 pole abb mccb
ABB T4N 320 moulded case circuit breaker with PR221DS-LS/I electronic trip unit, 320 A rated current, three-pole fixed configuration and front terminals for industrial low voltage power distribution.
£1,563.66
Why Choose the ABB 1SDA054117R1 Tmax T4N 320 MCCB?
The ABB 1SDA054117R1 is a high-performance Tmax T4N moulded case circuit breaker (MCCB) engineered to provide dependable protection for low voltage power distribution systems. As part of the proven ABB SACE Tmax T series, this three-pole circuit breaker combines outstanding breaking performance with an advanced PR221DS-LS/I electronic trip unit for accurate overload and short circuit protection.
Designed for demanding industrial, commercial and OEM applications, the breaker delivers reliable operation while helping improve electrical system selectivity and minimise unnecessary downtime. Its fixed mounting arrangement and front terminal connections simplify installation within switchboards, distribution boards and motor control centres.
With a 320 A rated current, 690 V AC operational voltage and a 36 kA breaking capacity at 415 V AC, the ABB 1SDA054117R1 is ideal for protecting feeders, transformers, generators and critical electrical infrastructure requiring robust circuit protection.
Key Advantages
- Reliable ABB Tmax T4N moulded case circuit breaker.
- 320 A rated current for demanding industrial applications.
- PR221DS-LS/I electronic trip unit for accurate protection.
- Three-pole fixed configuration with front terminals.
- High interrupting capacity for low voltage power distribution.
- Suitable for industrial, commercial and OEM electrical systems.
Key Features
- ABB SACE Tmax T series.
- T4N 320 frame size.
- 320 A rated uninterrupted current.
- PR221DS-LS/I electronic release.
- 3-pole fixed MCCB.
- Front terminal connections.
- 690 V AC rated operational voltage.
- Designed to IEC 60947 standards.
Dependable Protection for Industrial Power Distribution
The ABB Tmax T4N range is designed to protect electrical installations against overloads and short circuits while maintaining high levels of operational reliability. The PR221DS-LS/I electronic trip unit provides adjustable protection settings that help improve system coordination and reduce unnecessary interruptions.
Its compact design, robust construction and proven ABB engineering make the 1SDA054117R1 an excellent choice for industrial switchgear, electrical distribution systems and machine protection where dependable performance is essential.
Typical Applications
- Industrial switchboards.
- Commercial electrical distribution systems.
- Motor control centres.
- Transformer and feeder protection.
- Generator protection.
- OEM control panels.
- Infrastructure and utilities.
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 | |
| Model | T4N 320 | |
| Part number | 1SDA054117R1 | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Rated current (In) | 320 A | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Breaking capacity (Icu) | 36 kA at 415 V AC | |
| Trip unit | PR221DS-LS/I electronic release | |
| Number of poles | 3 | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm | |
| Weight | Approx. 3.64 kg |
Frequently Asked Questions
What is the ABB 1SDA054117R1 used for?
This MCCB protects low voltage electrical systems against overloads and short circuits in industrial, commercial and OEM applications.
What is the rated current of this circuit breaker?
The ABB 1SDA054117R1 has a rated current of 320 A.
Which trip unit is installed?
This breaker is fitted with the ABB PR221DS-LS/I electronic trip unit, providing adjustable overload and short circuit protection.
How many poles does this MCCB have?
The ABB 1SDA054117R1 is supplied in a 3-pole fixed configuration with front terminal connections.
Where is this breaker typically installed?
It is commonly installed in switchboards, distribution panels, motor control centres and industrial electrical systems requiring dependable circuit protection.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for reliable protection, outstanding performance and long operational life in demanding power distribution applications.
