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.
1SDA055677R1 ABB E1B 1600 PR122/P-LSIG 1600 A 4-Pole Fixed Air Circuit Breaker
ABB 1SDA055677R1 is a SACE Emax E1B 1600 A four-pole fixed air circuit breaker with rear horizontal terminals and a PR122/P-LSIG R1600 electronic release providing long-time, short-time, instantaneous and ground-fault protection.
£11,235.74
Why Choose the ABB 1SDA055677R1 E1B 1600 Air Circuit Breaker?
The ABB 1SDA055677R1 is a SACE Emax E1B 1600 air circuit breaker designed for switching and comprehensive protection in demanding low-voltage power distribution systems. Identified as E1B1600PR122/P-LSIGIn=1600A4pF, this configuration combines a 1600 A rated current, four-pole fixed construction and ABB's PR122/P-LSIG R1600 electronic overcurrent release.
The PR122/P-LSIG release provides long-time, short-time, instantaneous and ground-fault protection, helping protect cables, busbars, switchgear and connected equipment against overload, short-circuit and earth-fault conditions. The E1B performance level provides rated ultimate and service short-circuit breaking capacities of 42 kA at specified IEC AC operating voltages up to 690 V AC.
The 1SDA055677R1 is a four-pole fixed circuit breaker with rear horizontal terminals. It is fitted with four auxiliary contacts and open/closed circuit-breaker position indication, making it well suited to industrial switchboards requiring high-current switching, comprehensive LSIG protection and status signalling.
Key Advantages
- Genuine ABB SACE Emax E1B 1600 air circuit breaker.
- 1600 A rated current for high-current low-voltage distribution.
- PR122/P-LSIG R1600 electronic release provides comprehensive LSIG protection.
- Four-pole fixed construction for permanent switchboard installation.
- Rear horizontal terminals support practical integration into power distribution assemblies.
- 42 kA Icu and Ics at specified IEC AC operating voltages up to 690 V AC.
- 42 kA short-time withstand current for 1 s supports demanding distribution applications.
- Integrated ground-fault protection provides additional protection against earth-fault conditions.
- Four auxiliary contacts support circuit-breaker status signalling.
Key Features
- ABB SACE Emax E1B series.
- 1600 A rated current.
- Four-pole configuration.
- Fixed circuit-breaker construction.
- PR122/P-LSIG R1600 electronic overcurrent release.
- Long-time overload protection.
- Short-time short-circuit protection.
- Instantaneous short-circuit protection.
- Ground-fault protection.
- 690 V AC rated operational voltage.
- 1000 V rated insulation voltage.
- 12 kV rated impulse withstand voltage.
- Rear horizontal terminals.
- Four auxiliary contacts with open/closed position indication.
Comprehensive LSIG Protection for High-Current Distribution
Air circuit breakers such as the ABB SACE Emax E1B provide switching and protection for high-current low-voltage distribution systems. By detecting abnormal current conditions and interrupting the circuit when required, the breaker helps protect cables, busbars, switchgear and connected electrical equipment against potentially damaging overload, short-circuit and ground-fault conditions.
The PR122/P-LSIG electronic release combines long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection. Together with the 1600 A E1B frame, four-pole fixed construction, rear horizontal terminals and 42 kA short-circuit performance, the 1SDA055677R1 provides comprehensive protection for demanding industrial power distribution assemblies.
Typical Applications
- Low-voltage industrial power distribution systems.
- Main and distribution switchboards.
- Four-pole electrical distribution systems.
- High-current incoming supply protection.
- High-current feeder protection.
- Transformer-fed distribution systems.
- Manufacturing and process plant switchgear.
- Commercial and infrastructure power distribution.
- Installations requiring LSIG electronic overcurrent and ground-fault protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA055677R1 |
| Product designation | E1B1600PR122/P-LSIGIn=1600A4pF |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Frame | E1B 1600 |
| Short-circuit performance level | B |
| Rated current (In) | 1600 A |
| Rated uninterrupted current (Iu) | 1600 A |
| Rated operational current (Ie) | 1600 A |
| Number of poles | 4 |
| Release | PR122/P-LSIG |
| Release rating | R1600 / 1600 A |
| Release type | Electronic overcurrent release |
| Protection functions | Long-time, short-time, instantaneous and ground-fault protection |
| Version | Fixed |
| Terminal connection | Rear horizontal |
| Current type | AC |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated ultimate short-circuit breaking capacity (Icu) | 42 kA at specified voltages from 220–690 V AC |
| Rated service short-circuit breaking capacity (Ics) | 42 kA at specified voltages from 220–690 V AC |
| Rated short-time withstand current (Icw) | 42 kA for 1 s |
| Power loss | 253 W |
| Auxiliary contacts | 4 |
| Position indication | Open / closed |
| Electrical durability at Ue ≤ 440 V | 10,000 cycles |
| Electrical durability at Ue 500–690 V | 8,000 cycles |
| Mechanical durability | 25,000 cycles |
| Product net weight | 62 kg |
| EAN | 8015644570170 |
| Customs tariff number | 85362090 |
| Standard | IEC |
Frequently Asked Questions
What is the ABB 1SDA055677R1?
The ABB 1SDA055677R1 is an E1B 1600 four-pole fixed air circuit breaker rated at 1600 A and fitted with a PR122/P-LSIG R1600 electronic overcurrent release.
What is the rated current of the ABB 1SDA055677R1?
The ABB 1SDA055677R1 has a rated current of 1600 A.
Which electronic release is fitted to the ABB 1SDA055677R1?
The breaker is fitted with the ABB PR122/P-LSIG R1600 electronic overcurrent release.
What protection functions does the PR122/P-LSIG provide?
The LSIG configuration provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection.
Does the ABB 1SDA055677R1 provide ground-fault protection?
Yes. The PR122/P-LSIG release incorporates ground-fault protection in addition to long-time, short-time and instantaneous overcurrent protection.
Is the ABB 1SDA055677R1 fixed or withdrawable?
The ABB 1SDA055677R1 is a fixed four-pole air circuit breaker.
What terminal arrangement does the ABB 1SDA055677R1 use?
The breaker uses rear horizontal terminals for connection within compatible low-voltage switchgear.
What is the short-circuit breaking capacity of the ABB 1SDA055677R1?
The E1B 1600 provides rated ultimate and service short-circuit breaking capacities of 42 kA at specified IEC AC operating voltages from 220–690 V AC.
What is the short-time withstand current of the ABB 1SDA055677R1?
The rated short-time withstand current is 42 kA for 1 s and 36 kA for 3 s.
Trusted by Industrial Power Distribution Professionals
ABB SACE Emax air circuit breakers are engineered for dependable switching and protection in demanding low-voltage electrical installations, combining robust fixed construction, high short-circuit performance and comprehensive electronic LSIG protection for industrial power distribution systems.
