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1sda062788r1 t7h 1000 pr331/p lsig in=1000a 3 pole abb mccb
ABB 1SDA062788R1 SACE Tmax T7H fixed three-pole moulded case circuit breaker with PR331/P LSIG electronic trip unit for industrial low-voltage power distribution.
£7,170.00
Why Choose the ABB 1SDA062788R1 Tmax T7H Moulded Case Circuit Breaker?
The ABB 1SDA062788R1 is a premium Tmax T7H moulded case circuit breaker (MCCB) designed to provide dependable protection for industrial low-voltage power distribution systems. Engineered for demanding installations, this fixed three-pole circuit breaker combines high interrupting performance with advanced electronic protection to safeguard electrical equipment, switchboards and critical infrastructure.
As part of the proven ABB SACE Tmax T7 series, this model is equipped with the advanced PR331/P LSIG electronic trip unit, providing adjustable long-time, short-time, instantaneous and earth fault protection. The intelligent electronic release improves system selectivity, helping minimise downtime while ensuring reliable protection of critical electrical assets.
With a 1000 A rated current, 690 V AC rated operational voltage and a high short-circuit breaking capacity, the ABB 1SDA062788R1 is ideally suited for protecting transformers, generators, industrial machinery, motor control centres and main distribution systems where dependable circuit protection is essential.
Key Advantages
- Heavy-duty ABB Tmax T7H moulded case circuit breaker.
- 1000 A rated current for demanding industrial applications.
- Three-pole fixed design for low-voltage three-phase systems.
- PR331/P LSIG electronic trip unit with integrated earth fault protection.
- Front terminal configuration for straightforward installation.
- High short-circuit breaking capacity for improved operational safety.
Key Features
- ABB SACE Tmax T7H series.
- 1000 A rated uninterrupted current.
- Three-pole fixed moulded case circuit breaker.
- PR331/P LSIG solid-state electronic release.
- Long-time, short-time, instantaneous and earth fault protection.
- Stored energy operating mechanism.
- Front terminal connections.
- Designed for industrial switchboards and OEM panel builders.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T7H range is designed to provide dependable protection against overloads, short circuits and earth faults while maintaining continuity of service. The PR331/P LSIG electronic release offers adjustable protection settings that improve selectivity and reduce unnecessary interruptions across industrial low-voltage distribution systems.
Its robust construction, high interrupting capability and advanced ABB protection technology make the 1SDA062788R1 an ideal choice for industrial facilities, manufacturing plants, utilities and OEM switchboard manufacturers requiring reliable long-term performance.
Typical Applications
- Industrial power distribution systems.
- Main incoming switchboards.
- Motor control centres.
- Transformer and generator protection.
- Manufacturing and process industries.
- OEM electrical distribution panels.
Technical Specifications
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| Current | 1000 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 100 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7H 1000 PR331/P LSIG | |
| Part number | 1SDA062788R1 | |
| EAN | 8015644653378 | |
| Product type | Moulded case circuit breaker | |
| Rated current (In) | 1000 A | |
| Rated uninterrupted current (Iu) | 1000 A | |
| Number of poles | 3P | |
| Trip unit | PR331/P LSIG electronic release | |
| 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) | 100 kA at 220/230 V AC, 70 kA at 380/400/415 V AC, 65 kA at 440 V AC, 50 kA at 500 V AC and 42 kA at 690 V AC. | |
| Rated service short-circuit breaking capacity (Ics) | 100 kA at 220/230 V AC, 70 kA at 380/400/415 V AC, 65 kA at 440 V AC, 50 kA at 500 V AC and 31.5 kA at 690 V AC. | |
| Rated short-time withstand current (Icw) | 20 kA for 1 second | |
| Short-circuit performance level | H | |
| Power loss | 30 W per pole at rated operating conditions | |
| Mounting type | Fixed | |
| Terminal type | Front terminals | |
| Operating mechanism | Stored energy mechanism | |
| Protection rating | IP20 | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 268 × 210 × 178 mm | |
| Weight | 11 kg |
Frequently Asked Questions
What is the ABB 1SDA062788R1 used for?
It provides overload, short-circuit and earth fault protection for industrial low-voltage power distribution systems.
What current rating does this circuit breaker have?
The ABB 1SDA062788R1 has a rated current of 1000 A.
How many poles does this MCCB have?
This model is supplied as a three-pole fixed moulded case circuit breaker.
Which protection release is fitted?
The breaker is equipped with the ABB PR331/P LSIG electronic trip unit featuring long-time, short-time, instantaneous and earth fault protection.
Where is this breaker typically installed?
It is commonly installed in industrial switchboards, distribution panels, motor control centres and OEM electrical assemblies.
Trusted by Electrical Engineers Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted worldwide for delivering dependable circuit protection, excellent reliability and long-term performance in demanding industrial power distribution applications.
