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.
ABB 1SDA054418R1 SACE Tmax T5H moulded case circuit breaker with 630 A rating, PR222DS/P-LSI electronic trip unit, four-pole fixed construction and front terminals for industrial power distribution.
£4,489.16
The ABB 1SDA054418R1 is a high performance Tmax T5H moulded case circuit breaker (MCCB) designed to provide dependable protection for low voltage power distribution systems. As part of the proven ABB SACE Tmax T series, this circuit breaker is engineered for industrial, commercial and infrastructure applications where reliable overload and short circuit protection is essential.
This model features a 630 A rated current and an advanced PR222DS/P-LSI electronic trip unit, providing adjustable long-time, short-time and instantaneous protection functions. Its fixed four-pole construction with front terminals makes it suitable for three-phase plus neutral systems requiring accurate and dependable circuit protection.
With a rated operational voltage of up to 690 V AC and a high breaking capacity of 70 kA at 400 V AC, the ABB 1SDA054418R1 is ideal for switchboards, main feeders, distribution panels and industrial installations where robust low voltage protection is required.
The ABB Tmax T5H range is designed to protect electrical installations by detecting overload and short circuit conditions quickly and reliably. The PR222DS/P-LSI electronic release provides adjustable protection characteristics, helping improve system selectivity, reduce nuisance tripping and support operational continuity.
The ABB 1SDA054418R1 is particularly suitable for installations requiring four-pole protection, including three-phase plus neutral distribution systems. Its compact moulded case design, high breaking capacity and proven ABB engineering make it a dependable choice for modern switchboards and low voltage electrical infrastructure.
Tick the specs you need, then view products that match.
| Current | 630 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T5H 630 PR222DS/P-LSI In=630 4P F F | |
| Product code | 1SDA054418R1 | |
| EAN | 8015644555221 | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Rated current (In) | 630 A | |
| Rated uninterrupted current (Iu) | 630 A | |
| Number of poles | 4 | |
| Trip unit | PR222DS/P-LSI electronic release | |
| Release type | Electronic | |
| Rated operational voltage | Up to 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate breaking capacity (Icu) | 70 kA at 400 V AC | |
| Rated service breaking capacity (Ics) | 70 kA at 400 V AC | |
| Terminal type | Fixed front terminals | |
| Mounting | Panel mounted | |
| Electrical durability | 5,000 cycles | |
| Mechanical durability | 20,000 cycles | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 205 × 186 × 103.5 mm | |
| Weight | Approx. 6.2 kg |
It is used to protect low voltage electrical distribution systems against overloads and short circuits in industrial, commercial and infrastructure installations.
The ABB 1SDA054418R1 has a rated uninterrupted current of 630 A.
This model has a four-pole (4P) configuration, making it suitable for three-phase plus neutral electrical systems.
The breaker is fitted with the ABB PR222DS/P-LSI electronic trip unit, providing adjustable long-time, short-time and instantaneous protection functions.
It is commonly installed in switchboards, distribution panels, motor control centres and commercial low voltage electrical power systems.
ABB SACE Tmax moulded case circuit breakers are trusted by electrical engineers, panel builders and industrial maintenance teams worldwide for dependable circuit protection, compact installation and long-term reliability in demanding power distribution applications.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.