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ABB 1SDA062778R1 Tmax T7H 1000A fixed four-pole moulded case circuit breaker with front terminals, lever operating mechanism and PR231/P LS/I solid-state electronic release for industrial power distribution.
£5,910.38
The ABB 1SDA062778R1 is a high-performance Tmax T7H moulded case circuit breaker (MCCB) designed for reliable protection of low-voltage electrical distribution systems. Built for demanding industrial environments, this fixed four-pole circuit breaker provides dependable overload and short-circuit protection for switchboards, control panels and power distribution assemblies.
Part of the proven ABB SACE Tmax T series, this MCCB is supplied with a PR231/P LS/I solid-state electronic release, allowing accurate long-time, short-time and instantaneous protection. Its front terminal arrangement and lever operating mechanism support straightforward installation within industrial panels and electrical distribution boards.
With a rated current of 1000 A and a rated operational voltage of up to 690 V AC, the ABB 1SDA062778R1 is ideal for heavy-duty applications requiring high breaking capacity, reliable circuit isolation and consistent performance in critical electrical infrastructure.
Moulded case circuit breakers such as the ABB Tmax T7H protect electrical installations by detecting overloads and short-circuit faults before damage can occur. The electronic LS/I protection release provides adjustable and accurate fault protection, helping improve selectivity and reliability across low-voltage distribution networks.
The ABB 1SDA062778R1 is designed for use in demanding electrical systems where continuity, safety and dependable fault interruption are essential. Its high current rating, solid-state release and robust ABB construction make it suitable for industrial switchgear, plant distribution systems and critical infrastructure applications.
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| Current | 1000 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 100 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7H 1000 PR231/P LS/I | |
| Part number | 1SDA062778R1 | |
| Product type | Moulded case circuit breaker | |
| Rated current (In) | 1000 A | |
| Rated uninterrupted current (Iu) | 1000 A | |
| Number of poles | 4P | |
| Trip unit | PR231/P LS/I electronic release | |
| Release type | Solid-state release in AC | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate short-circuit breaking capacity (Icu) | Up to 100 kA at 220/230 V AC | |
| Rated service short-circuit breaking capacity (Ics) | Up to 100 kA at 220/230 V AC | |
| Rated short-time withstand current (Icw) | 20 kA for 1 s | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Operating mechanism | Lever | |
| Standards | IEC | |
| Dimensions (H × W × D) | approx. 268 × 280 × 154 mm | |
| Weight | approx. 12.5 kg |
The ABB 1SDA062778R1 is used to protect industrial electrical distribution systems from overloads and short circuits.
This ABB Tmax T7H circuit breaker has a rated current of 1000 A.
The 1SDA062778R1 is a four-pole fixed moulded case circuit breaker.
This model is fitted with the PR231/P LS/I solid-state electronic release.
It is typically installed in industrial switchboards, main distribution panels, motor control centres and OEM electrical assemblies.
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers worldwide for reliable protection, high breaking capacity and long-term performance in critical power distribution systems.
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