ABB 1SDA054034R1 Tmax T4S moulded case circuit breaker with PR221DS-LS/I electronic trip unit, 160 A rated current, four-pole fixed configuration and front terminals for low voltage power distribution.
£2,259.39
The ABB 1SDA054034R1 is a dependable 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 robust circuit protection.
This MCCB is fitted with a PR221DS-LS/I electronic trip unit, providing accurate overload and short-circuit protection for AC electrical installations. The solid-state release helps improve protection selectivity and system reliability, making it suitable for demanding industrial and commercial power distribution environments.
With a 160 A rated current, four-pole fixed configuration and front terminal connections, the ABB 1SDA054034R1 is ideal for feeder protection, distribution boards, main circuits and industrial control panels where reliable four-pole circuit protection is required.
Moulded case circuit breakers such as the ABB 1SDA054034R1 are used to protect electrical circuits from overloads and short-circuit conditions. The electronic PR221DS-LS/I release provides consistent protection performance, helping engineers maintain safe and reliable low voltage power distribution.
The Tmax T4S range is widely used across industrial and commercial installations thanks to its compact footprint, high breaking performance and proven ABB engineering. Its four-pole configuration makes it suitable for applications where neutral switching or full-pole isolation is required.
| Current | 160 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | SACE Tmax T |
| Model | T4S 250 PR221DS-LS/I In=160 4p F F |
| Product ID | 1SDA054034R1 |
| EAN | 8015644551261 |
| Product type | Moulded Case Circuit Breaker |
| Rated current (In) | 160 A |
| Rated uninterrupted current (Iu) | 250 A |
| Number of poles | 4P |
| Release | PR221DS-LS/I |
| 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 | 8,000 cycles |
| Mechanical durability | 20,000 cycles |
| Power loss | 4.4 W per pole at rated operating conditions |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm |
| Weight | approx. 3.05 kg |
The ABB 1SDA054034R1 is used to protect low voltage electrical distribution systems against overloads and short-circuit conditions.
This moulded case circuit breaker has a 160 A rated current.
The ABB 1SDA054034R1 is fitted with a PR221DS-LS/I electronic trip unit for overload and short-circuit protection.
This model is a four-pole fixed MCCB designed for low voltage electrical distribution systems.
It is typically installed in switchboards, distribution panels, industrial control cabinets and OEM electrical equipment.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...