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1sda061979r1 t7s 800 pr332/p lsirc in=800a 4 pole abb mccb
ABB 1SDA061979R1 Tmax T7S 800A four pole moulded case circuit breaker with PR332/P-LSIRc electronic release, fixed front terminals and 690 V AC rated operational voltage.
£6,391.72
Why Choose the ABB 1SDA061979R1 Tmax T7S 800 MCCB?
The ABB 1SDA061979R1 is a high-performance ABB Tmax T7S moulded case circuit breaker designed for reliable protection of low voltage electrical distribution systems. Built as a four-pole 800 A MCCB, it provides dependable circuit protection for demanding industrial, commercial and infrastructure applications where high breaking capacity and precise electronic protection are required.
This circuit breaker is supplied in a fixed configuration with front terminals and a lever operating mechanism, making it suitable for installation within switchboards, distribution panels and control cabinets. The integrated PR332/P-LSIRc solid-state release provides advanced protection functions for overload, short-circuit and earth fault conditions, helping improve safety and system reliability.
With a rated uninterrupted current of 800 A, a rated operational voltage up to 690 V AC and a service breaking capacity of up to 50 kA at 400/415 V AC, the ABB 1SDA061979R1 is ideal for heavy-duty power distribution applications requiring robust protection and consistent performance.
Key Advantages
- High-performance ABB Tmax T7S moulded case circuit breaker.
- 800 A rated current for heavy-duty electrical distribution.
- Four-pole configuration for comprehensive circuit protection.
- PR332/P-LSIRc electronic release with advanced protection functions.
- Fixed installation with front terminals for panel and switchboard use.
- Rated for operation up to 690 V AC.
Key Features
- ABB SACE Tmax T7S series.
- 800 A rated uninterrupted current.
- Four-pole moulded case circuit breaker.
- PR332/P-LSIRc solid-state release.
- Fixed front terminal version.
- Lever operating mechanism.
- Rated insulation voltage of 1000 V.
- IEC compliant for low voltage circuit protection.
Reliable Protection for Low Voltage Power Distribution
Moulded case circuit breakers such as the ABB Tmax T7S are designed to protect electrical installations against overloads, short circuits and fault conditions. The ABB 1SDA061979R1 combines a robust breaker frame with an advanced electronic trip unit, allowing accurate protection settings and dependable performance in demanding electrical networks.
The PR332/P-LSIRc release supports advanced protection functions, making this MCCB suitable for critical switchgear and distribution applications where selectivity, safety and system continuity are important. Its four-pole design also makes it suitable for installations requiring neutral switching or four-pole protection.
Typical Applications
- Main and sub-main low voltage distribution panels.
- Industrial switchboards and control panels.
- Commercial building power distribution.
- Infrastructure and utility electrical systems.
- Motor control centres and heavy-duty plant installations.
- Protection of feeders, transformers and large electrical loads.
Technical Specifications
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| Current | 800 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 50 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7S 800 PR332/P LSIRc In=800A 4p F F | |
| Product ID | 1SDA061979R1 | |
| EAN | 8015644645250 | |
| Product type | Moulded case circuit breaker | |
| Rated current | 800 A | |
| Rated uninterrupted current | 800 A | |
| Number of poles | 4 | |
| Release | PR332/P-LSIRc | |
| Release type | Electronic / solid-state | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Service breaking capacity | 50 kA at 400/415 V AC | |
| Ultimate breaking capacity | 50 kA at 400/415 V AC | |
| Short-circuit performance level | S | |
| Terminal connection | Fixed front terminals | |
| Operating mechanism | Lever | |
| Standards | IEC | |
| Dimensions (H × W × D) | approx. 268 × 280 × 154 mm | |
| Weight | approx. 12.5 kg |
Frequently Asked Questions
What is the ABB 1SDA061979R1 used for?
The ABB 1SDA061979R1 is used for protecting low voltage electrical distribution circuits against overloads, short circuits and fault conditions.
What current rating does this MCCB have?
This ABB Tmax T7S circuit breaker has a rated current of 800 A.
How many poles does the ABB 1SDA061979R1 have?
The ABB 1SDA061979R1 is a four-pole moulded case circuit breaker.
What trip unit is fitted to this breaker?
This breaker is fitted with a PR332/P-LSIRc solid-state electronic release for advanced circuit protection.
Where is this circuit breaker typically installed?
It is typically installed in switchboards, distribution panels, electrical cabinets and industrial power distribution systems.
Trusted by Electrical Engineers Worldwide
ABB Tmax moulded case circuit breakers are widely used by panel builders, electrical contractors and industrial engineers to deliver dependable circuit protection in low voltage power distribution systems.
