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1SDA055760R1 ABB E1N 1600 PR121/P-LI 1600 A 3-Pole Air Circuit Breaker
ABB 1SDA055760R1 SACE Emax E1N 1600 is a 1600 A three-pole fixed air circuit breaker with PR121/P-LI electronic protection, horizontal rear terminals and 50 kA breaking capacity at 415 V AC.
£7,552.30
Why Choose the ABB 1SDA055760R1 E1N 1600 Air Circuit Breaker?
The ABB 1SDA055760R1 is a high-performance SACE Emax E1N 1600 air circuit breaker designed for protection and switching of low-voltage AC electrical distribution systems. This three-pole fixed circuit breaker has a rated current of 1600 A and is equipped with an electronic PR121/P-LI overcurrent release for long-time and instantaneous protection.
Part of the proven ABB SACE Emax range, the E1N 1600 combines high current capacity with dependable short-circuit protection for industrial switchboards and power distribution assemblies. The N performance level provides a rated ultimate short-circuit breaking capacity of 50 kA at 415 V AC, while the fixed configuration and horizontal rear terminals support robust integration into low-voltage switchgear.
The 1SDA055760R1 is a three-pole fixed (F) circuit breaker with horizontal rear (HR) terminals. It has a rated uninterrupted current of 1600 A, a rated operational voltage up to 690 V AC, a rated insulation voltage of 1000 V and a rated impulse withstand voltage of 12 kV. The breaker is also supplied with four auxiliary contacts and circuit-breaker open/closed position indication.
Key Advantages
- Heavy-duty 1600 A air circuit breaker for industrial power distribution.
- PR121/P-LI electronic overcurrent release provides long-time and instantaneous protection.
- 50 kA short-circuit breaking capacity at 415 V AC for demanding distribution systems.
- Three-pole fixed installation simplifies integration into switchboards.
- Horizontal rear terminals provide a practical connection arrangement for panel construction.
- Part of the established ABB SACE Emax air circuit breaker platform.
Key Features
- ABB SACE Emax E1N 1600 air circuit breaker.
- 1600 A rated current.
- 3-pole configuration.
- PR121/P-LI electronic release.
- LI protection functions for long-time and instantaneous overcurrent protection.
- Fixed (F) circuit-breaker version.
- Horizontal rear (HR) terminals.
- 690 V AC rated operational voltage.
- 50 kA rated ultimate breaking capacity at 415 V AC.
- 50 kA rated short-time withstand current for 1 s.
- Four auxiliary contacts and open/closed circuit-breaker position indication.
Reliable Protection for High-Current Power Distribution
Air circuit breakers such as the ABB SACE Emax E1N 1600 provide switching and overcurrent protection for high-current low-voltage distribution circuits. By interrupting excessive current during overload or short-circuit conditions, the breaker helps protect conductors, switchgear and connected equipment while improving the safety and reliability of the electrical installation.
The PR121/P-LI electronic release provides long-time protection against sustained overcurrents together with instantaneous protection against severe short-circuit currents. Combined with the E1N breaker’s 50 kA short-circuit performance, fixed construction and horizontal rear terminals, this makes the 1SDA055760R1 well suited to main and distribution switchboards in demanding industrial and commercial installations.
Typical Applications
- Industrial low-voltage distribution switchboards.
- Main incoming circuit protection.
- Power distribution centres and switchgear assemblies.
- Manufacturing and process plants.
- Commercial and infrastructure electrical distribution.
- High-current feeder protection.
- OEM switchboards and electrical control systems.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA055760R1 |
| Product type | Air circuit breaker |
| Frame / sub-type | E1 |
| Performance level | N |
| Rated current (In) | 1600 A |
| Rated uninterrupted current (Iu) | 1600 A |
| Number of poles | 3 |
| 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) at 415 V AC | 50 kA |
| Rated service short-circuit breaking capacity (Ics) at 415 V AC | 50 kA |
| Rated short-time withstand current (Icw) | 50 kA for 1 s |
| Release | PR121/P-LI |
| Release type | Electronic |
| Installation | Fixed |
| Terminal connection | Horizontal rear terminals |
| Mechanical durability | 25,000 cycles |
| Electrical durability at ≤440 V | 10,000 cycles |
| Electrical durability at 500–690 V | 8,000 cycles |
| Product dimensions (W × H × D) | 296 × 418 × 302 mm |
| Net weight | 40 kg |
| EAN | 8015644571009 |
Frequently Asked Questions
What is the ABB 1SDA055760R1 used for?
The ABB 1SDA055760R1 is a 1600 A air circuit breaker used for switching and overcurrent protection in low-voltage industrial and commercial power distribution systems.
What protection release is fitted to the ABB 1SDA055760R1?
The circuit breaker is fitted with an electronic PR121/P-LI release providing long-time and instantaneous overcurrent protection functions.
What is the short-circuit breaking capacity of this E1N 1600 breaker?
The E1N 1600 has a rated ultimate short-circuit breaking capacity of 50 kA at 415 V AC.
Is the ABB 1SDA055760R1 fixed or withdrawable?
This model is a fixed three-pole circuit breaker fitted with horizontal rear terminals.
What is the rated current of the ABB 1SDA055760R1?
The circuit breaker has a rated current and rated uninterrupted current of 1600 A.
Trusted ABB Protection for Critical Distribution Systems
ABB SACE Emax air circuit breakers provide robust switching and protection for low-voltage power distribution, combining high current capability, electronic protection and dependable short-circuit performance for industrial switchboards and infrastructure.
