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1SDA054153R1 ABB T4V 320 PR221DS-LS/I In=320 4p F F Moulded Case Circuit Breaker
ABB T4V 320 PR221DS-LS/I In=320 4p F F moulded case circuit breaker with electronic long-time, short-time and instantaneous protection for reliable low-voltage power distribution.
£3,896.40
Why Choose the ABB T4V 320 PR221DS-LS/I In=320 4p F F Moulded Case Circuit Breaker?
The ABB T4V 320 PR221DS-LS/I In=320 4p F F is a high-performance moulded case circuit breaker (MCCB) designed for reliable protection and switching of low-voltage electrical distribution systems. As part of the trusted ABB SACE Tmax T4 series, this circuit breaker combines compact construction, robust mechanical performance and advanced electronic protection for industrial, commercial and infrastructure applications.
Equipped with the PR221DS-LS/I electronic trip unit, the ABB T4V 320 provides long-time, short-time and instantaneous protection functions to help safeguard cables, equipment and electrical installations against overload and short-circuit faults. Its fixed four-pole front-terminal configuration allows straightforward integration into switchboards and low-voltage assemblies.
With a 320 A rated current, T4V 320 frame size and four-pole configuration, the T4V 320 PR221DS-LS/I is suitable for demanding power distribution applications requiring dependable protection, efficient installation and long operational life.
Key Advantages
- Reliable ABB Tmax T4 moulded case circuit breaker technology for industrial protection.
- 320 A rated current suitable for medium-duty low-voltage distribution systems.
- PR221DS-LS/I electronic trip unit providing adjustable overload and short-circuit protection.
- Four-pole fixed front-terminal design for simple switchboard installation.
- High breaking performance for demanding electrical networks.
- Compact ABB design with proven reliability and durability.
Key Features
- ABB SACE Tmax T4 series moulded case circuit breaker.
- T4V 320 frame size.
- 320 A rated current (In).
- 4-pole construction for three-phase plus neutral applications.
- PR221DS-LS/I electronic release.
- Long-time, short-time and instantaneous protection functions.
- Fixed front terminal connection.
- Designed for IEC low-voltage switchgear applications.
Reliable Protection for Industrial Power Systems
Moulded case circuit breakers such as the ABB T4V 320 provide essential protection by automatically disconnecting electrical circuits during overload and short-circuit conditions. The PR221DS-LS/I electronic release enables accurate protection adjustment to improve system safety and reduce the risk of equipment damage.
The Tmax T4 platform is engineered for industrial switchboards, machinery power distribution and commercial electrical systems where reliable protection, compact dimensions and dependable operation are required.
Typical Applications
- Industrial distribution switchboards.
- Manufacturing plant electrical systems.
- Machinery and automation control panels.
- Motor feeder and equipment protection circuits.
- Commercial low-voltage distribution systems.
- Electrical switchgear assemblies.
Technical Specifications
| Series | SACE Tmax T |
|---|---|
| Order code | 1SDA054153R1 |
| Product type | Moulded case circuit breaker |
| Frame size | T4V 320 |
| Rated current (In) | 320 A |
| Number of poles | 4P |
| Trip unit | PR221DS-LS/I electronic release |
| Terminal connection | Fixed front terminals |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Rated uninterrupted current (Iu) | 320 A |
| Protection functions | Long-time, short-time and instantaneous protection |
| Mounting type | Fixed mounting |
Frequently Asked Questions
What is the ABB T4V 320 PR221DS-LS/I In=320 4p F F used for?
This ABB Tmax T4 moulded case circuit breaker is used for protecting and switching low-voltage electrical distribution systems against overloads and short circuits.
What is the rated current of this circuit breaker?
The ABB T4V 320 PR221DS-LS/I In=320 4p F F has a rated current of 320 A.
How many poles does this ABB circuit breaker have?
This model is a four-pole (4P) circuit breaker suitable for three-phase systems with neutral requirements.
Which trip unit is fitted to this circuit breaker?
The circuit breaker is fitted with the PR221DS-LS/I electronic trip unit providing long-time, short-time and instantaneous protection functions.
Where is the ABB T4V 320 typically installed?
This circuit breaker is typically installed in industrial switchboards, distribution panels and low-voltage electrical assemblies.
Trusted by Electrical Engineers Worldwide
ABB Tmax circuit breakers are widely selected by electrical engineers and system integrators for dependable protection, efficient power distribution and long-term performance in industrial installations.
