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1sda054128r1 t4s 320 pr222ds/p-lsig in=320 3 pole abb mccb
ABB 1SDA054128R1 Tmax T4S moulded case circuit breaker with PR222DS/P-LSIG electronic trip unit, 320 A rated current, three-pole fixed configuration and front terminals for low voltage power distribution.
£2,613.66
Why Choose the ABB 1SDA054128R1 Tmax T4S Moulded Case Circuit Breaker?
The ABB 1SDA054128R1 is a high-performance Tmax T4S moulded case circuit breaker (MCCB) designed for reliable protection of low voltage electrical distribution systems. Built as part of the proven ABB SACE Tmax T series, this breaker is suitable for industrial switchboards, commercial distribution panels, OEM machinery and automation systems requiring dependable circuit protection.
This MCCB is fitted with a PR222DS/P-LSIG electronic trip unit, providing adjustable overload, short-circuit, instantaneous and ground fault protection for AC electrical installations. The solid-state release supports accurate trip settings, improved selectivity and reliable fault response in demanding industrial and commercial power distribution environments.
With a 320 A rated current, three-pole fixed configuration and front terminal connections, the ABB 1SDA054128R1 is ideal for feeder protection, main distribution circuits, switchboards and industrial control panels where robust three-phase protection with ground fault functionality is required.
Key Advantages
- Reliable ABB Tmax T4S moulded case circuit breaker for industrial protection.
- 320 A rated current for low voltage power distribution.
- PR222DS/P-LSIG electronic trip unit for advanced adjustable protection functions.
- Three-pole fixed MCCB with front terminal connections.
- Supports overload, short-circuit, instantaneous and ground fault protection.
- High breaking performance for demanding switchboard applications.
- Compact construction suitable for distribution panels and control cabinets.
Key Features
- ABB SACE Tmax T series.
- T4S 320 frame size.
- 320 A rated current.
- 3-pole fixed moulded case circuit breaker.
- PR222DS/P-LSIG solid-state electronic release.
- Front terminal connection type.
- 690 V AC rated operational voltage.
- Suitable for industrial and commercial electrical distribution systems.
Advanced Three-Pole Protection for Low Voltage Systems
Moulded case circuit breakers such as the ABB 1SDA054128R1 are used to protect electrical circuits from overloads, short-circuit faults and earth fault conditions. The electronic PR222DS/P-LSIG release provides accurate protection settings, helping engineers maintain safe, selective and reliable low voltage power distribution.
The Tmax T4S range is widely used across industrial and commercial installations due to its compact footprint, high breaking performance and proven ABB engineering. Its fixed three-pole format makes it a practical choice for three-phase feeder protection, distribution boards and electrical control systems.
Typical Applications
- Industrial power distribution panels.
- Commercial electrical switchboards.
- Main feeder and sub-distribution protection.
- Three-phase low voltage distribution circuits.
- Motor control centres and machinery panels.
- OEM electrical equipment and control cabinets.
Technical Specifications
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| Current | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 320 PR222DS/P-LSIG In=320 3p F F | |
| Product ID | 1SDA054128R1 | |
| Product type | Moulded Case Circuit Breaker | |
| Rated current (In) | 320 A | |
| Rated uninterrupted current (Iu) | 320 A | |
| Number of poles | 3P | |
| Release | PR222DS/P-LSIG | |
| Release type | Electronic | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Short-circuit performance level | S | |
| Rated ultimate breaking capacity (Icu) | 50 kA at 400 V AC | |
| Rated service breaking capacity (Ics) | 50 kA at 400 V AC | |
| Terminal connection | Front terminals | |
| Mounting type | Fixed | |
| Electrical durability | 6,000 cycles | |
| Mechanical durability | 20,000 cycles | |
| Power loss | 17.6 W per pole at rated operating conditions | |
| Dimensions (H × W × D) | 205 × 105 × 103.5 mm | |
| Weight | approx. 3.5 kg |
Frequently Asked Questions
What is the ABB 1SDA054128R1 used for?
The ABB 1SDA054128R1 is used to protect low voltage electrical distribution systems against overloads, short-circuit faults and ground fault conditions.
What is the rated current of this MCCB?
This moulded case circuit breaker has a 320 A rated current.
What type of trip unit does it use?
The ABB 1SDA054128R1 is fitted with a PR222DS/P-LSIG electronic trip unit for adjustable overload, short-circuit, instantaneous and ground fault protection.
How many poles does this circuit breaker have?
This model is a three-pole fixed MCCB designed for three-phase low voltage electrical systems.
Where is the ABB 1SDA054128R1 typically installed?
It is typically installed in switchboards, distribution panels, motor control centres, industrial control cabinets and OEM electrical equipment.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical engineers and industrial maintenance teams for reliable protection, strong breaking performance and long service life in demanding low voltage installations.
