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.
1SDA059172R1 ABB E1B 1000A 4-Pole PR121/P-LI Withdrawable Air Circuit Breaker
ABB 1SDA059172R1 is a SACE Emax E1B 1000 A four-pole withdrawable air circuit breaker moving part with a PR121/P-LI electronic overcurrent release for industrial low-voltage power distribution.
£9,426.50
Why Choose the ABB 1SDA059172R1 E1B 1000 Air Circuit Breaker?
The ABB 1SDA059172R1 is a SACE Emax E1B 1000 air circuit breaker moving part designed for reliable protection and switching in industrial low-voltage power distribution systems. Identified by the extended product type E1B1000PR121/P-LIIn=1000A4pWM, this four-pole withdrawable unit has a rated current of 1000 A and is equipped with an ABB PR121/P-LI electronic overcurrent release.
As part of the ABB SACE Emax / New Emax family, the 1SDA059172R1 combines high-current switching with electronic protection against overload and instantaneous short-circuit conditions. The PR121/P-LI release provides L and I protection functions, while the E1B circuit breaker offers a rated service and ultimate short-circuit breaking capacity of 42 kA across its specified AC operating voltage range.
The withdrawable moving-part construction supports maintainable switchgear architecture by allowing the circuit breaker to interface with a compatible ABB fixed part. With a 1000 A current rating, 690 V AC rated operational voltage and four-pole configuration, the 1SDA059172R1 is suited to demanding industrial distribution boards, switchboards and main power distribution systems.
Key Advantages
- Genuine ABB SACE Emax E1B air circuit breaker moving part.
- 1000 A rated current for industrial power distribution applications.
- Four-pole configuration for compatible three-phase and neutral systems.
- PR121/P-LI electronic overcurrent release provides long-time and instantaneous protection functions.
- 42 kA service and ultimate short-circuit breaking capacity across the specified AC operating voltage range.
- Withdrawable construction supports efficient switchgear inspection, servicing and maintenance.
Key Features
- ABB SACE Emax E1B 1000 platform.
- 1000 A rated current.
- 690 V AC rated operational voltage.
- 4-pole configuration.
- PR121/P-LI electronic trip unit.
- Long-time (L) and instantaneous (I) protection.
- 42 kA rated service short-circuit breaking capacity Ics.
- 42 kA rated ultimate short-circuit breaking capacity Icu.
- 42 kA for 1 s short-time withstand current Icw.
- Withdrawable moving part (W MP) construction.
- Fitted with auxiliary contacts and open/closed position indication.
Reliable Protection for Low-Voltage Power Distribution
Air circuit breakers provide switching, isolation and overcurrent protection for high-current low-voltage distribution systems. The ABB SACE Emax E1B platform combines substantial short-circuit performance with electronic protection, making it suitable for main distribution and feeder applications where dependable protection of cables, busbars and downstream equipment is required.
The PR121/P-LI release fitted to the 1SDA059172R1 provides long-time overload and instantaneous short-circuit protection. Combined with its 1000 A rating, 690 V AC operational voltage, 42 kA breaking capacity and withdrawable construction, the breaker provides a practical solution for maintainable industrial switchgear systems.
Typical Applications
- Industrial low-voltage power distribution systems.
- Main incoming circuit-breaker applications.
- High-current feeder protection.
- Withdrawable switchgear and distribution boards.
- Manufacturing and process industry installations.
- Commercial and infrastructure electrical distribution.
- Protection of busbars, feeders and downstream electrical equipment.
Technical Specifications
| Series | SACE Emax / New Emax |
|---|---|
| ABB product group | 310513-New Emax |
| Order code | 1SDA059172R1 |
| Extended product type | E1B1000PR121/P-LIIn=1000A4pWM |
| Product type | Air circuit breaker moving part |
| Frame | E1 |
| Performance level | B |
| Current type | AC |
| Rated current In | 1000 A |
| Rated uninterrupted current Iu | 1000 A |
| Rated operational current Ie | 1000 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage Ui | 1000 V |
| Rated impulse withstand voltage Uimp | 12 kV |
| Number of poles | 4 |
| Trip unit | PR121/P-LI |
| Trip unit type | Electronic |
| Protection functions | L (long-time) and I (instantaneous) |
| Rated service short-circuit breaking capacity Ics | 42 kA |
| Rated ultimate short-circuit breaking capacity Icu | 42 kA |
| Rated short-time withstand current Icw | 42 kA for 1 s; 36 kA for 3 s |
| Electrical durability | 10,000 cycles at Ue ≤ 440 V; 8,000 cycles at 500–690 V |
| Electrical operating frequency | 30 cycles per hour |
| Mechanical durability | 25,000 cycles |
| Mechanical operating frequency | 60 cycles per hour |
| Power loss | 147.2 W |
| Construction | Withdrawable moving part |
| Dimensions (W × H × D) | 414 × 461 × 396.5 mm |
| Net weight | 54 kg |
| EAN | 8015644615338 |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA059172R1?
The ABB 1SDA059172R1 is a SACE Emax E1B 1000 A four-pole withdrawable air circuit breaker moving part fitted with a PR121/P-LI electronic overcurrent release.
What is the rated current of the ABB 1SDA059172R1?
The circuit breaker has a rated current of 1000 A and is designed for industrial low-voltage power distribution applications.
What protection does the PR121/P-LI trip unit provide?
The PR121/P-LI electronic release provides long-time overload (L) and instantaneous short-circuit (I) protection functions.
What is the breaking capacity of the ABB 1SDA059172R1?
The E1B 1000 has a rated service short-circuit breaking capacity Ics of 42 kA and rated ultimate short-circuit breaking capacity Icu of 42 kA across its specified AC operating voltage range.
Is the ABB 1SDA059172R1 withdrawable?
Yes. The 1SDA059172R1 is a withdrawable moving part designed for installation with a compatible ABB SACE Emax fixed part, supporting maintainable switchgear configurations.
Trusted ABB Power Distribution Technology
ABB SACE Emax air circuit breakers combine electronic protection, high-current switching and maintainable withdrawable construction for demanding industrial and commercial low-voltage power distribution systems.
