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 1SDA054220R1 SACE Tmax T4H 250 fixed four-pole moulded case circuit breaker with 100 A thermal magnetic TMA release and front terminals for industrial power distribution.
£1,407.65
The ABB 1SDA054220R1 is a premium Tmax T4H moulded case circuit breaker (MCCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial low voltage electrical systems. As part of the trusted ABB SACE Tmax T series, it delivers excellent interrupting performance, robust thermal magnetic protection and long-term reliability for demanding power distribution applications.
This model features a 250 A frame size with a 100 A thermal magnetic TMA release. Its fixed four-pole configuration and front terminal connections make it ideal for protecting three-phase systems requiring switched neutral isolation in switchboards, motor control centres, distribution panels and OEM machinery.
Designed in accordance with IEC 60947, the ABB Tmax T4H range is trusted by panel builders, electrical engineers and industrial contractors worldwide for dependable circuit protection, high breaking capacity and long operational life.
The ABB Tmax T4H series is engineered to disconnect electrical circuits rapidly during overload and short-circuit conditions, helping protect cables, switchgear and connected equipment. Its high interrupting capacity and durable construction make it suitable for demanding industrial environments where safety and reliability are essential.
The four-pole design enables isolation of all live conductors, including the neutral where required. Combined with the thermal magnetic TMA trip unit, this provides dependable protection for industrial switchboards, commercial installations and OEM electrical systems.
Tick the specs you need, then view products that match.
| Current | 100 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 100 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Product ID | 1SDA054220R1 | |
| EAN | 8015644552572 | |
| Extended product type | T4H 250 TMA 100-1000 4P F F | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | T4H 250 | |
| Rated current (In) | 100 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Release | TMA | |
| Release type | Thermal Magnetic (TM) | |
| Magnetic setting range | 500-1000 A | |
| Number of poles | 4 | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate short-circuit breaking capacity (Icu) | 100 kA at 230 V AC, 70 kA at 415 V AC, 40 kA at 690 V AC | |
| Rated service short-circuit breaking capacity (Ics) | 100 kA at 230 V AC, 70 kA at 415 V AC, 40 kA at 690 V AC | |
| Short-circuit performance level | H | |
| Terminal type | Front terminals | |
| Mounting | Fixed | |
| Electrical durability | 8,000 cycles | |
| Mechanical durability | 20,000 cycles | |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm | |
| Weight | Approx. 3.05 kg | |
| Standards | IEC 60947 |
It provides overload and short-circuit protection for industrial and commercial low voltage electrical distribution systems.
The ABB 1SDA054220R1 is supplied as a fixed four-pole moulded case circuit breaker.
This breaker features a 100 A thermal magnetic TMA trip unit within a 250 A Tmax T4H frame.
The breaker uses a thermal magnetic TMA release providing dependable overload and short-circuit protection.
It is commonly installed in industrial switchboards, distribution panels, motor control centres and OEM electrical equipment.
ABB SACE Tmax moulded case circuit breakers are trusted worldwide by electrical engineers, panel builders and OEM manufacturers for dependable protection, high interrupting performance and long-term operational reliability.
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.