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ABB 1SDA054202R1 Tmax T4S 250 A four-pole moulded case circuit breaker with TMA thermomagnetic release, 100 A rated current, adjustable magnetic trip from 500-1000 A, fixed mounting and front terminals.
£1,216.23
The ABB 1SDA054202R1 is a dependable Tmax T4S moulded case circuit breaker (MCCB) designed for industrial and commercial low-voltage electrical distribution systems. Featuring a 250 A frame size, 4-pole configuration and a TMA thermomagnetic release with a rated current of 100 A and adjustable magnetic trip from 500-1000 A, it provides reliable overload and short-circuit protection for demanding power distribution applications.
As part of the proven ABB SACE Tmax T series, this fixed MCCB combines compact construction with strong electrical performance. Its front terminal connections allow straightforward installation into switchboards, distribution panels and industrial control assemblies where reliable circuit protection is essential.
Designed for operation up to 690 V AC, the ABB 1SDA054202R1 offers dependable interrupting performance for modern low-voltage networks. The adjustable TMA thermomagnetic release supports accurate protection coordination while helping safeguard electrical infrastructure, switchgear and connected equipment.
The ABB Tmax T4S range is engineered to protect electrical installations against overloads and short-circuit faults. Adjustable thermomagnetic releases allow engineers to optimise protection settings while helping protect switchgear, cabling and connected equipment from damaging fault currents.
The ABB 1SDA054202R1 is a practical choice for panel builders, OEMs and electrical contractors requiring a compact four-pole MCCB with adjustable thermomagnetic protection, fixed mounting and front terminal connections for industrial applications.
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| Current | 100 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 85 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 250 TMA 100-1000 4p F F | |
| Product ID | 1SDA054202R1 | |
| EAN | 8015644553029 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated uninterrupted current (Iu) | 250 A | |
| Rated current (In) | 100 A | |
| Magnetic adjustment range | 500-1000 A | |
| Number of poles | 4P | |
| Release type | Thermomagnetic | |
| Trip unit | TMA | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated service short-circuit breaking capacity (Ics) | Up to 85 kA at 230 V AC, 50 kA at 400 V AC, 25 kA at 690 V AC | |
| Rated ultimate short-circuit breaking capacity (Icu) | Up to 85 kA at 230 V AC, 50 kA at 400 V AC, 25 kA at 690 V AC | |
| Terminal connection | Front terminals | |
| Mounting type | Fixed | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 205 × 140 × 103.5 mm | |
| Weight | Approx. 3.05 kg |
The ABB 1SDA054202R1 protects industrial and commercial low-voltage electrical distribution systems against overloads and short-circuit faults.
This breaker has a 100 A rated current within a 250 A frame size.
The breaker features a 4-pole configuration, making it suitable for three-phase systems where neutral switching or protection may be required.
The breaker is fitted with a TMA thermomagnetic release with an adjustable magnetic trip range of 500-1000 A.
It is commonly installed in switchboards, distribution panels, motor control centres and industrial electrical installations.
ABB Tmax moulded case circuit breakers are widely trusted by panel builders, electrical contractors and industrial engineers for reliable protection, strong breaking performance and long-term dependability in low-voltage power distribution systems.
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