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1SDA056816R1 ABB E4H3200 PR121/P-LI 3200A 3-Pole Fixed Air Circuit Breaker
ABB 1SDA056816R1 E4H3200 PR121/P-LI is a 3200 A three-pole fixed SACE Emax air circuit breaker with PR121/P-LI electronic overload and instantaneous short-circuit protection and rear horizontal terminals.
£21,992.58
Why Choose the ABB E4H3200 PR121/P-LI 3200A Air Circuit Breaker?
The ABB E4H3200 PR121/P-LI, order code 1SDA056816R1, is a high-performance SACE Emax air circuit breaker (ACB) designed for switching and protection in high-current low-voltage electrical distribution systems. Part of the ABB SACE Emax E4H series, this three-pole fixed circuit breaker combines a 3200 A rated current with the PR121/P-LI R3200 electronic overcurrent release.
The PR121/P-LI electronic trip unit provides long-time overload and instantaneous short-circuit protection. These LI protection functions help safeguard switchboards, busbars, cables and connected equipment against sustained overloads and severe short-circuit currents in demanding industrial power distribution applications.
The 1SDA056816R1 is supplied as a three-pole fixed circuit breaker with rear horizontal terminals. It is also fitted with four auxiliary contacts and circuit-breaker open/closed position indication, supporting signalling and integration within high-capacity low-voltage switchboards.
Key Advantages
- High-performance ABB SACE Emax E4H air circuit breaker for demanding power distribution.
- 3200 A rated current for high-capacity electrical systems.
- Three-pole fixed construction for three-phase distribution networks.
- PR121/P-LI R3200 electronic overcurrent release.
- LI functions provide long-time overload and instantaneous short-circuit protection.
- Rear horizontal terminals for integration with switchboard busbar systems.
- Four auxiliary contacts support circuit-breaker status signalling and control integration.
Key Features
- ABB SACE Emax E4H series.
- 3200 A rated current.
- Three-pole construction.
- Fixed circuit-breaker execution.
- PR121/P-LI R3200 electronic trip unit.
- Long-time (L) overload protection.
- Instantaneous (I) short-circuit protection.
- Rear horizontal main terminals.
- Four auxiliary contacts.
- Circuit-breaker open/closed position indication.
Reliable High-Current Circuit Protection
ABB SACE Emax air circuit breakers provide switching, isolation and overcurrent protection for high-current low-voltage distribution systems. The E4H performance class is designed for applications requiring robust fault interruption and dependable operation in major switchboards, industrial plants and infrastructure installations.
The PR121/P-LI electronic release combines long-time overload protection with instantaneous short-circuit protection. Together with the E4H3200 platform's 3200 A rating and fixed three-pole construction, it provides a dependable solution for protecting important feeders, busbars and electrical distribution equipment.
Typical Applications
- Main incoming protection in high-capacity low-voltage switchboards.
- Industrial power distribution systems.
- Transformer secondary protection.
- High-current feeder protection.
- Manufacturing and process plants.
- Utility and infrastructure distribution systems.
- Large commercial electrical installations.
- Three-phase switchboards requiring high-performance fixed air circuit breakers.
Technical Specifications
| Series | SACE Emax E4H |
|---|---|
| ABB order code | 1SDA056816R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker |
| Rated current | 3200 A |
| Number of poles | 3 |
| Execution | Fixed |
| Main terminals | Rear horizontal |
| Protection release | PR121/P-LI R3200 |
| Release type | Electronic |
| Protection functions | Long-time and instantaneous (LI) |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
Frequently Asked Questions
What is the ABB 1SDA056816R1?
The ABB 1SDA056816R1 is a 3200 A three-pole fixed SACE Emax E4H air circuit breaker fitted with a PR121/P-LI R3200 electronic overcurrent release and rear horizontal terminals.
What protection functions does the PR121/P-LI provide?
The PR121/P-LI electronic release provides long-time overload and instantaneous short-circuit protection, represented by the LI designation.
What is the rated current of the ABB E4H3200 1SDA056816R1?
The E4H3200 circuit breaker has a rated current of 3200 A.
How many poles does the ABB 1SDA056816R1 have?
The 1SDA056816R1 has three poles and is designed for high-current three-phase low-voltage distribution systems.
Is the ABB 1SDA056816R1 fixed or withdrawable?
The 1SDA056816R1 is a fixed air circuit breaker equipped with rear horizontal main terminals for permanent switchboard installation.
Trusted Protection for Industrial Power Distribution
ABB SACE Emax circuit breakers combine high-current switching, electronic overcurrent protection and robust switchboard integration to support dependable operation in demanding industrial, commercial and infrastructure power distribution systems.
