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1sda062644r1 t7h 800 pr331/p lsig in=800a 3 pole abb mccb
ABB T7H 800 PR331/P LSIG 800A three-pole moulded case circuit breaker with electronic trip unit and earth fault protection for industrial low voltage power distribution.
£5,434.77
Why Choose the ABB 1SDA062644R1 T7H 800 PR331/P LSIG MCCB?
The ABB 1SDA062644R1 is a premium SACE Tmax T moulded case circuit breaker (MCCB) engineered to provide dependable protection, isolation and switching for low voltage electrical distribution systems. Designated as T7H 800 PR331/P LSIG In=800A 3p F F, this fixed three-pole breaker delivers advanced electronic protection for industrial and commercial power applications requiring high breaking capacity and precise fault discrimination.
As part of the trusted ABB SACE Tmax T7H series, this MCCB features the advanced PR331/P LSIG electronic trip unit, providing adjustable long-time, short-time, instantaneous and earth fault protection. The sophisticated protection functions help improve selectivity, reduce unnecessary downtime and safeguard valuable electrical infrastructure.
With a rated uninterrupted current of 800 A, a three-pole fixed configuration, front terminal connections and a lever operating mechanism, the ABB 1SDA062644R1 is ideally suited to switchboards, industrial distribution systems, OEM equipment and commercial installations where reliable power protection is essential.
Key Advantages
- Industrial ABB moulded case circuit breaker for low voltage power distribution.
- 800 A rated current for demanding electrical installations.
- Three-pole fixed construction with front terminal connections.
- PR331/P LSIG electronic trip unit with earth fault protection.
- High H performance breaking capacity for enhanced system protection.
- Suitable for industrial switchboards, OEM machinery and commercial distribution systems.
Key Features
- ABB SACE Tmax T7H series.
- 800 A rated uninterrupted current.
- Three-pole fixed MCCB.
- PR331/P LSIG electronic solid-state release.
- Adjustable long-time, short-time, instantaneous and earth fault protection.
- Front terminal connections.
- 690 V AC rated operational voltage.
- Mechanical durability of up to 10,000 operating cycles.
Reliable Protection for Critical Power Distribution
The ABB 1SDA062644R1 provides comprehensive protection against overloads, short circuits and earth faults. Its advanced electronic protection system allows improved coordination between protective devices, helping maintain system availability while protecting electrical assets.
The combination of the PR331/P LSIG trip unit, high interrupting capacity and ABB's proven Tmax platform makes this MCCB suitable for demanding industrial applications where safety, reliability and operational continuity are priorities.
Typical Applications
- Industrial switchboards.
- Main and feeder power distribution.
- Motor control centres.
- Commercial electrical installations.
- OEM machinery and automation equipment.
- Critical infrastructure and manufacturing facilities.
Technical Specifications
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| Current | 800 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7H 800 PR331/P LSIG In=800A 3p F F | |
| Product ID | 1SDA062644R1 | |
| Product type | Moulded case circuit breaker | |
| Number of poles | 3 pole | |
| Rated current (In) | 800 A | |
| Rated uninterrupted current (Iu) | 800 A | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Trip unit | PR331/P LSIG electronic release | |
| Rated ultimate breaking capacity (Icu) | 70 kA at 415 V AC | |
| Rated service breaking capacity (Ics) | 70 kA at 415 V AC | |
| Rated short-time withstand current (Icw) | 20 kA for 1 second | |
| Terminal connection | Fixed front terminals | |
| Protection rating | IP20 | |
| Power loss | 19.3 W per pole | |
| Mechanical durability | 10,000 cycles | |
| Electrical durability | 2,000 cycles | |
| Dimensions (H × W × D) | approx. 268 × 210 × 154 mm | |
| Weight | approx. 9.7 kg | |
| EAN | 8015644651930 |
Frequently Asked Questions
What is the ABB 1SDA062644R1 used for?
It protects low voltage electrical distribution systems against overloads, short circuits and earth faults in industrial and commercial installations.
What is the rated current of this circuit breaker?
The ABB 1SDA062644R1 has a rated uninterrupted current of 800 A.
Which trip unit is fitted?
This breaker is fitted with the PR331/P LSIG electronic trip unit, providing adjustable long-time, short-time, instantaneous and earth fault protection.
How many poles does this MCCB have?
The ABB 1SDA062644R1 features a three-pole fixed configuration.
What is the rated breaking capacity?
The breaker provides a rated ultimate short-circuit breaking capacity of 70 kA at 415 V AC.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, OEMs and industrial engineers for delivering dependable circuit protection, advanced electronic trip technology and long-term reliability across demanding low voltage distribution systems.
