Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1sda062889r1 t7s 1250 pr231/p i in=1250a 4 pole abb mccb
ABB 1SDA062889R1 SACE Tmax T7S 1250 four-pole fixed moulded case circuit breaker with front terminals, stored energy operating mechanism and PR231/P I electronic release for industrial low-voltage power distribution.
£7,134.75
Why Choose the ABB 1SDA062889R1 Tmax T7S Moulded Case Circuit Breaker?
The ABB 1SDA062889R1 is a high-current Tmax T7S moulded case circuit breaker (MCCB) designed for dependable protection in demanding low-voltage power distribution systems. As part of the proven ABB SACE Tmax T series, it provides reliable circuit protection for industrial switchboards, commercial electrical infrastructure and high-load electrical installations.
This breaker is supplied in a fixed four-pole configuration with front terminals and a stored energy operating mechanism for robust switchboard integration. It is fitted with the ABB PR231/P I electronic release, providing instantaneous short-circuit protection for high-current AC distribution systems.
With a 1250 A rated current, operation up to 690 V AC and high short-circuit breaking capacity, the 1SDA062889R1 is ideal for main distribution boards, industrial feeder circuits, electrical plant rooms and commercial power systems requiring dependable high-current protection.
Key Advantages
- Heavy-duty moulded case circuit breaker for industrial power distribution.
- 1250 A rated current for high-load electrical systems.
- Four-pole fixed design for complete circuit protection.
- PR231/P I electronic trip unit for instantaneous protection.
- Stored energy operating mechanism for reliable breaker operation.
- Front terminal connections support efficient switchboard installation.
Key Features
- ABB SACE Tmax T7S moulded case circuit breaker.
- Product code: 1SDA062889R1.
- 1250 A rated uninterrupted current.
- Four-pole fixed version.
- Front terminal connection type.
- Stored energy operating mechanism.
- PR231/P I electronic protection release.
- Designed for switchboards, distribution panels and industrial installations.
Reliable Protection for High-Current Electrical Systems
Moulded case circuit breakers such as the ABB Tmax T7S help protect electrical systems by disconnecting circuits during short-circuit fault conditions. This helps reduce equipment damage, improve electrical safety and support continuity across industrial and commercial power distribution networks.
The PR231/P I electronic release provides instantaneous protection for AC power systems, making the 1SDA062889R1 suitable for engineers designing switchboards and distribution systems where high breaking capacity, robust construction and dependable operation are required.
Typical Applications
- Main low-voltage switchboards.
- Industrial power distribution systems.
- Commercial electrical infrastructure.
- Manufacturing and processing facilities.
- Distribution panels and feeder circuits.
- Large building services and electrical plant rooms.
Technical Specifications
Tick the specs you need, then view products that match.
| 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 M | |
| Product code | 1SDA062889R1 | |
| EAN | 8015644654382 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current | 1250 A | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Number of poles | 4P | |
| 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) | 85 kA at 220 / 230 V AC, 50 kA at 380 / 400 / 415 / 440 V AC, 40 kA at 500 V AC, 30 kA at 690 V AC | |
| Rated service short-circuit breaking capacity (Ics) | 85 kA at 220 / 230 V AC, 50 kA at 380 / 400 / 415 / 440 V AC, 40 kA at 500 V AC, 30 kA at 690 V AC | |
| Rated short-time withstand current (Icw) | 20 kA for 1 s | |
| Release type | Electronic | |
| Trip unit | PR231/P I | |
| Protection function | Instantaneous protection | |
| Short-circuit performance level | S | |
| Mounting type | Fixed | |
| Terminal connection | Front terminals | |
| Operating mechanism | Stored energy mechanism | |
| Standard | IEC 60947-2 | |
| Electrical durability | 2,000 cycles | |
| Mechanical durability | 10,000 cycles | |
| Power loss | 47 W per pole at rated operating conditions | |
| Dimensions (H × W × D) | approx. 268 × 280 × 178 mm | |
| Weight | approx. 14 kg |
Frequently Asked Questions
What is the ABB 1SDA062889R1 used for?
The ABB 1SDA062889R1 is used to protect high-current low-voltage electrical distribution systems, particularly four-pole circuits requiring dependable short-circuit protection.
What is the rated current of this MCCB?
This moulded case circuit breaker has a 1250 A rated current.
What trip unit is fitted to the ABB 1SDA062889R1?
It is fitted with an ABB PR231/P I electronic release, providing instantaneous protection for AC systems.
How many poles does this breaker have?
The 1SDA062889R1 is a four-pole circuit breaker.
Where is this breaker typically installed?
It is typically installed in low-voltage switchboards, industrial distribution panels, commercial electrical systems and high-current feeder circuits.
Trusted by Electrical Engineers Worldwide
ABB SACE Tmax moulded case circuit breakers are widely trusted by electrical engineers, panel builders and industrial operators for dependable circuit protection, robust construction and reliable performance in demanding low-voltage power distribution applications.
