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ABB 1SDA054263R1 SACE Tmax T4S 320 A three-pole moulded case circuit breaker with TMA thermomagnetic release, fixed front terminals and adjustable magnetic protection for low voltage distribution systems.
£1,612.96
The ABB 1SDA054263R1 is a dependable Tmax T4S moulded case circuit breaker (MCCB) designed for robust low voltage circuit protection in industrial and commercial electrical distribution systems. Part of the established ABB SACE Tmax T series, this three-pole breaker provides reliable overload and short-circuit protection for demanding installations.
This circuit breaker is equipped with a TMA thermomagnetic trip unit, combining thermal overload protection with adjustable magnetic short-circuit protection. Its fixed construction and front terminal arrangement support straightforward installation into switchboards, panel boards and machinery control cabinets.
With a rated current of 320 A, a three-pole configuration and rated operational voltage up to 690 V AC, the ABB 1SDA054263R1 is suitable for feeder protection, power distribution and industrial control applications where dependable ABB circuit protection is required.
Moulded case circuit breakers such as the ABB Tmax T4S help protect electrical systems from overloads and short-circuit faults. By interrupting fault currents quickly and reliably, they support safer operation, reduce equipment damage and help maintain continuity in industrial power networks.
The T4S range is widely used by panel builders, electrical contractors and industrial engineers who require compact, proven and dependable protection for switchboards, machinery panels and low voltage distribution assemblies.
Tick the specs you need, then view products that match.
| Current | 320 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T4S 320 TMA 320-3200 3P F F | |
| Product code | 1SDA054263R1 | |
| Product type | Moulded Case Circuit Breaker | |
| Rated current (In) | 320 A | |
| Rated uninterrupted current (Iu) | 320 A | |
| Number of poles | 3 | |
| Trip unit | TMA thermomagnetic release | |
| Magnetic adjustment range | 1600-3200 A | |
| Rated operational voltage | Up to 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Short-circuit performance level | S | |
| Terminal type | Fixed front terminals | |
| Standards | IEC | |
| Dimensions (H × W × D) | approx. 205 × 105 × 103.5 mm | |
| Weight | approx. 2.5 kg |
This MCCB is used to protect low voltage electrical circuits against overloads and short-circuit faults in industrial, commercial and OEM applications.
The ABB 1SDA054263R1 has a 320 A rated current.
This model is a three-pole moulded case circuit breaker.
It is fitted with a TMA thermomagnetic trip unit, providing thermal overload protection and adjustable magnetic short-circuit protection.
It is typically installed in switchboards, distribution panels, motor control centres and industrial electrical cabinets.
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, contractors and industrial engineers for reliable protection, compact installation and proven long-term performance in low voltage electrical systems.
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