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1SDA057217R1 ABB E1B-A 800 PR121/P-LSIG 800A 3-Pole Withdrawable Air Circuit Breaker
ABB 1SDA057217R1 E1B-A 800 PR121/P-LSIG is an 800 A three-pole withdrawable SACE Emax air circuit breaker moving part with an R800 PR121/P electronic release providing LSIG overcurrent and earth-fault protection.
£8,001.65
Why Choose the ABB E1B-A 800 PR121/P-LSIG 800A 3-Pole Withdrawable Air Circuit Breaker?
The ABB E1B-A 800 PR121/P-LSIG, order code 1SDA057217R1, is a SACE Emax air circuit breaker moving part designed for low-voltage power distribution and protection applications. This UL configuration combines an 800 A rated current, three-pole construction and withdrawable execution with ABB's PR121/P electronic overcurrent protection technology.
The breaker is equipped with a PR121/P-LSIG R800 electronic overcurrent release, providing long-time, short-time, instantaneous and earth-fault protection functions. This comprehensive LSIG arrangement helps protect distribution circuits against sustained overloads, short circuits and earth faults while supporting dependable protection in industrial and infrastructure electrical systems.
Designed to UL 1066, the E1B-A 800 provides an interrupting rating of 42 kA at 240 V AC, 480 V AC and 600 V AC. Its withdrawable moving-part construction supports maintainability in compatible SACE Emax switchgear, while four auxiliary contacts and open/closed circuit-breaker position indication facilitate integration with monitoring and control systems.
Key Advantages
- 800 A SACE Emax air circuit breaker moving part for low-voltage power distribution systems.
- Three-pole construction for three-phase circuit switching and protection.
- PR121/P-LSIG electronic release provides long-time, short-time, instantaneous and earth-fault protection.
- Withdrawable execution supports inspection, servicing and replacement in compatible SACE Emax switchgear.
- 42 kA UL 1066 interrupting rating at 240 V AC, 480 V AC and 600 V AC.
- Fitted with four auxiliary contacts and circuit-breaker open/closed position indication.
Key Features
- ABB SACE Emax E1B-A series.
- 800 A rated current.
- Three-pole configuration.
- Withdrawable circuit-breaker moving part.
- PR121/P electronic overcurrent release.
- LSIG protection functions: long-time, short-time, instantaneous and earth-fault.
- R800 release rating.
- 600 V rated voltage.
- UL 1066 compliant.
- Four auxiliary contacts with open/closed circuit-breaker position indication.
Reliable LSIG Protection for Low-Voltage Power Distribution
The ABB SACE Emax E1B-A provides switching, isolation and electronic overcurrent protection for low-voltage distribution circuits. Its withdrawable architecture allows the circuit-breaker moving part to be installed in compatible fixed switchgear equipment, supporting inspection and maintenance while reducing the need to disturb permanent power connections.
The PR121/P-LSIG electronic release provides long-time protection against sustained overloads, short-time protection for short-circuit conditions, instantaneous protection against severe faults and earth-fault protection. Combined with the 800 A rating, three-pole configuration and 42 kA UL 1066 interrupting rating, these functions make the 1SDA057217R1 suitable for demanding three-phase power distribution applications.
Typical Applications
- Low-voltage electrical distribution switchboards.
- Industrial manufacturing and process plants.
- Main incomer and feeder circuit protection.
- Transformer and generator distribution systems.
- Commercial and infrastructure power distribution.
- UL switchgear requiring withdrawable three-pole LSIG protection.
Technical Specifications
| Series | SACE Emax E1B-A |
|---|---|
| ABB order code | 1SDA057217R1 |
| Product type | Air circuit breaker moving part |
| Sub-type | E1 |
| Rated current (In) | 800 A |
| Rated operational current (Ie) | 800 A |
| Rated uninterrupted current (Iu) | 800 A |
| Number of poles | 3 |
| Version | Withdrawable |
| Terminal connection type | Withdrawable circuit-breaker |
| Trip unit | PR121/P-LSIG |
| Release type | Electronic |
| Protection functions | LSIG – long-time, short-time, instantaneous and earth-fault |
| Release rating | R800 |
| Current type | AC |
| Rated voltage | 600 V |
| Rated ultimate short-circuit breaking capacity (Icu) at 240 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 480 V AC | 42 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 600 V AC | 42 kA |
| UL 1066 interrupting rating at 240 V AC | 42 kA |
| UL 1066 interrupting rating at 480 V AC | 42 kA |
| UL 1066 interrupting rating at 600 V AC | 42 kA |
| Short-circuit performance level | B |
| Electrical durability | 10000 cycles |
| Mechanical durability | 20000 cycles |
| Maximum operating frequency | 30 cycles per hour |
| Power loss at rated operating conditions per pole | 95 W |
| Auxiliary contacts | 4 |
| Circuit-breaker position indication | Open / closed |
| Standard | UL 1066 |
| Product net width | 324 mm |
| Product net height | 461 mm |
| Product net depth | 396.5 mm |
| Net weight | 44 kg |
| EAN | 8015644594800 |
| ABB product group | 310513-New Emax |
Frequently Asked Questions
What is the ABB 1SDA057217R1?
The ABB 1SDA057217R1 is an E1B-A 800 SACE Emax three-pole withdrawable air circuit breaker moving part rated at 800 A and equipped with a PR121/P-LSIG R800 electronic overcurrent release.
What is the rated current of the E1B-A 800 PR121/P-LSIG?
The circuit breaker has a rated current of 800 A, with rated operational and uninterrupted currents also specified at 800 A.
What protection functions does the PR121/P-LSIG provide?
The PR121/P-LSIG provides long-time overload protection, short-time short-circuit protection, instantaneous short-circuit protection and earth-fault protection.
Is ABB 1SDA057217R1 fixed or withdrawable?
The ABB 1SDA057217R1 is a withdrawable circuit-breaker moving part designed for use with compatible ABB SACE Emax switchgear equipment.
What is the interrupting rating of ABB 1SDA057217R1?
The E1B-A 800 has a 42 kA interrupting rating in accordance with UL 1066 at 240 V AC, 480 V AC and 600 V AC.
How many poles does ABB 1SDA057217R1 have?
The ABB 1SDA057217R1 is a three-pole air circuit breaker moving-part configuration intended for three-phase power distribution systems.
Trusted by Electrical Engineers Worldwide
ABB SACE Emax air circuit breakers are engineered for demanding low-voltage power distribution applications, combining electronic circuit protection, dependable switching performance and serviceable switchgear configurations for industrial, commercial and infrastructure installations.
