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.
1sda062911r1 t7h 1250 pr332/p lsig in=1250a 4 pole abb mccb
ABB Tmax T7H 1250 four pole moulded case circuit breaker with PR332/P LSIG electronic release, 1250 A rating and 690 V AC operating voltage.
£9,327.56
Why Choose the ABB 1SDA062911R1 Tmax T7H Moulded Case Circuit Breaker?
The ABB 1SDA062911R1 is a premium Tmax T7H moulded case circuit breaker (MCCB) designed to deliver dependable protection for industrial power distribution systems, commercial installations and critical low voltage applications. As part of the proven ABB SACE Tmax T series, it combines high fault interruption capability with advanced electronic protection and outstanding operational reliability.
This breaker is supplied as a fixed four-pole MCCB with front terminals, a lever operating mechanism and an advanced PR332/P LSIG electronic trip unit. The LSIG protection functions provide adjustable long-time, short-time, instantaneous and ground fault protection, allowing excellent discrimination and enhanced protection for complex electrical installations.
With a rated current of 1250 A and a rated operational voltage of up to 690 V AC, the ABB 1SDA062911R1 is ideal for switchboards, transformer protection, generator applications, industrial feeders and major commercial power distribution systems where maximum reliability is essential.
Key Advantages
- High-performance ABB Tmax T7H moulded case circuit breaker.
- 1250 A rated current for demanding industrial applications.
- Four-pole configuration providing complete neutral isolation.
- PR332/P LSIG electronic trip unit with adjustable protection.
- Ground fault protection improves installation safety.
- Fixed version with front terminal connections.
- Excellent breaking capacity for industrial low voltage systems.
Key Features
- ABB SACE Tmax T series.
- T7H 1250 frame.
- 1250 A rated uninterrupted current.
- Four-pole MCCB.
- PR332/P LSIG electronic release.
- 690 V AC rated operational voltage.
- 1000 V insulation voltage.
- 8 kV impulse withstand voltage.
- Front terminal fixed installation.
- Designed for transformer, generator and installation protection.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T7H range provides advanced overload, short-circuit and ground fault protection for modern electrical installations. The PR332/P LSIG trip unit allows engineers to configure protection parameters for optimum selectivity while helping minimise unnecessary downtime.
Its robust construction, excellent fault interruption capability and four-pole design make the ABB 1SDA062911R1 an ideal solution for demanding industrial applications requiring dependable protection and complete circuit isolation.
Typical Applications
- Main low voltage switchboards.
- Industrial manufacturing facilities.
- Generator protection.
- Transformer protection.
- Commercial power distribution.
- Motor control centres.
- Infrastructure and utility installations.
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 | 70 kA | |
| Trip Unit | Electronic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T7H 1250 PR332/P LSIG In=1250A 4p F F | |
| Product code | 1SDA062911R1 | |
| EAN | 8015644654603 | |
| Product type | Moulded Case Circuit Breaker | |
| Rated current | 1250 A | |
| Rated uninterrupted current | 1250 A | |
| Number of poles | 4P | |
| Release | PR332/P LSIG | |
| Release type | Electronic | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| 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 | |
| Operating mechanism | Lever operated | |
| Electrical durability | 2000 cycles | |
| Mechanical durability | 10000 cycles | |
| Power loss | 47 W per pole | |
| Standards | IEC | |
| Dimensions (H × W × D) | 268 × 280 × 154 mm | |
| Weight | 12.5 kg |
Frequently Asked Questions
What is the ABB 1SDA062911R1 used for?
It protects industrial and commercial electrical distribution systems against overloads, short circuits and ground faults.
What is the rated current of this circuit breaker?
The ABB 1SDA062911R1 has a rated current of 1250 A.
Which trip unit is fitted?
This model is equipped with the PR332/P LSIG electronic trip unit, providing adjustable long-time, short-time, instantaneous and ground fault protection.
How many poles does this breaker have?
The ABB 1SDA062911R1 is supplied as a four-pole MCCB for complete three-phase and neutral isolation.
Where is this MCCB commonly installed?
It is commonly used in industrial switchboards, commercial electrical distribution systems, transformer protection and generator installations.
Trusted by Electrical Engineers Worldwide
ABB Tmax circuit breakers are trusted worldwide by panel builders, OEMs and electrical engineers for delivering dependable protection, outstanding breaking performance and reliable operation in demanding industrial environments.
