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1sda062873r1 t7s 1250 pr231/p i in=1250a 4 pole abb mccb
ABB 1SDA062873R1 Tmax T7S 1250A four-pole moulded case circuit breaker with PR231/P-I electronic release, fixed front terminals and lever operating mechanism for low-voltage power distribution systems.
£6,486.14
Why Choose the ABB 1SDA062873R1 Tmax T7S Moulded Case Circuit Breaker?
The ABB 1SDA062873R1 is a high-performance Tmax T7S moulded case circuit breaker designed to provide dependable protection for demanding low-voltage power distribution systems. As part of the established ABB SACE Tmax T range, it is engineered for industrial and commercial installations requiring high current capacity, reliable switching and accurate electronic protection.
This model features a 1250 A rated current, four-pole configuration and a PR231/P-I electronic release, providing reliable instantaneous protection for high-current power distribution applications. Its fixed front-terminal design supports straightforward installation into switchboards and panel assemblies, while the lever operating mechanism provides robust manual switching operation.
With a rated operational voltage of 690 V AC, rated insulation voltage of 1000 V and short-circuit breaking capacity up to 85 kA at 220-230 V AC, the ABB 1SDA062873R1 is ideal for main distribution boards, industrial switchgear, motor control centres and demanding low-voltage electrical protection applications.
Key Advantages
- High-performance ABB Tmax T7S moulded case circuit breaker.
- 1250 A rated current for demanding power distribution systems.
- Four-pole fixed MCCB with front terminal connections.
- PR231/P-I electronic release for reliable instantaneous protection.
- Lever operating mechanism for robust manual switching.
- High short-circuit performance for industrial and commercial installations.
Key Features
- ABB SACE Tmax T7S series.
- 1250 A rated uninterrupted current.
- Four-pole MCCB configuration.
- PR231/P-I solid-state electronic release.
- Fixed version with front terminal connections.
- Lever operating mechanism.
- Rated operational voltage up to 690 V AC.
- Designed for switchboards, distribution panels and industrial power systems.
Reliable Circuit Protection for Industrial Power Distribution
Moulded case circuit breakers such as the ABB Tmax T7S are used to protect electrical installations against short circuits and fault conditions. By disconnecting affected circuits quickly and reliably, they help protect cables, switchgear, machinery and connected equipment from electrical damage.
The PR231/P-I electronic release provides dependable instantaneous protection for high-current low-voltage systems. This makes the ABB 1SDA062873R1 well suited to installations where reliable switching, strong fault protection and continuity of service are important.
Typical Applications
- Main low-voltage distribution boards.
- Industrial switchboards and panel boards.
- Motor control centres and machinery panels.
- Commercial building electrical distribution.
- Transformer and generator protection systems.
- Heavy-duty industrial power protection applications.
Technical Specifications
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| Current | 1250 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 85 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7S 1250 PR231/P I In=1250A 4p F F | |
| Product ID | 1SDA062873R1 | |
| EAN | 8015644654221 | |
| Product type | Moulded case circuit breaker | |
| Breaker type | Automatic circuit breaker | |
| Rated current | 1250 A | |
| Rated uninterrupted current | 1250 A | |
| Number of poles | 4P | |
| Release | PR231/P-I | |
| Release type | Electronic | |
| Short-circuit performance level | S | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated ultimate short-circuit breaking capacity | 85 kA at 220-230 V AC, 50 kA at 380-440 V AC, 40 kA at 500 V AC, 30 kA at 690 V AC | |
| Rated service short-circuit breaking capacity | 85 kA at 220-230 V AC, 50 kA at 380-440 V AC, 40 kA at 500 V AC, 30 kA at 690 V AC | |
| Rated short-time withstand current | 20 kA for 1 s | |
| Mechanical durability | 10000 cycles | |
| Electrical durability | 2000 cycles | |
| Power loss | 47 W per pole at rated operating conditions | |
| Terminal connection | Fixed circuit breaker, front terminals | |
| Version | Fixed | |
| Operating mechanism | Lever operating mechanism | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 268 × 280 × 154 mm | |
| Weight | 12.5 kg |
Frequently Asked Questions
What is the ABB 1SDA062873R1 used for?
The ABB 1SDA062873R1 is used to protect low-voltage electrical distribution systems against short circuits and fault conditions.
What current rating does this circuit breaker have?
This circuit breaker has a rated current of 1250 A.
How many poles does the ABB 1SDA062873R1 have?
The ABB 1SDA062873R1 is a four-pole moulded case circuit breaker.
What trip unit is fitted to this MCCB?
It is fitted with a PR231/P-I electronic release for reliable instantaneous protection.
Where is this breaker typically installed?
It is typically installed in switchboards, distribution panels, motor control centres and industrial low-voltage power distribution systems.
Trusted by Electrical Engineers Worldwide
ABB Tmax moulded case circuit breakers are widely used by electrical engineers, panel builders and industrial facilities to deliver reliable low-voltage circuit protection in demanding power distribution applications.
