Why Choose the ABB 1SDA124863R1 Emax 3 Air Circuit Breaker?
The ABB 1SDA124863R1 is a high-capacity SACE Emax 3 air circuit breaker designed for reliable protection and switching in demanding low-voltage electrical distribution systems. As part of the ABB Emax 3 E2.3S series, it combines a 2000 A rated current with an Ekip Aware electronic release and LSI protection functions for high-current industrial, commercial and infrastructure applications.
This circuit breaker provides long-time overload, short-time and instantaneous short-circuit protection, helping protect conductors, switchboards and connected equipment against excessive current and fault conditions. Its fixed three-pole construction and rear horizontal connection arrangement make it suitable for integration into compatible low-voltage distribution assemblies.
With a 2000 A rated current and 690 V rated voltage, the 1SDA124863R1 is suited to high-demand feeders, main distribution boards and industrial power systems. The Ekip Aware LSI electronic release provides adjustable protection parameters, allowing the breaker to be configured for the requirements of the electrical installation.
Key Advantages
- High-capacity 2000 A air circuit breaker for demanding low-voltage distribution applications.
- Ekip Aware electronic release provides intelligent electronic circuit protection.
- LSI protection combines long-time overload, short-time and instantaneous short-circuit protection.
- E2.3S high short-circuit performance for demanding electrical distribution systems.
- Three-pole fixed configuration for robust switchboard integration.
- Rear horizontal connection arrangement for compatible fixed switchgear installations.
- Four auxiliary change-over contacts support additional signalling and control functions.
Key Features
- ABB SACE Emax 3 E2.3S series.
- 2000 A rated permanent current.
- Ekip Aware LSI electronic release.
- Long-time overload, short-time and instantaneous short-circuit protection.
- 800–2000 A long-time protection setting range.
- 3000–30000 A instantaneous short-circuit setting range.
- Three-pole fixed configuration.
- Rear horizontal main connection.
- Bolt connection for the main circuit.
- Four auxiliary change-over contacts.
- Open/closed circuit-breaker position indication.
- IP30 protection rating.
Reliable High-Current Power Distribution Protection
The ABB Emax 3 E2.3S platform is designed for high-current low-voltage distribution systems where dependable circuit protection and switching are required. The Ekip Aware LSI release provides multiple protection functions, with long-time protection addressing sustained overloads and short-time and instantaneous functions responding to different levels of short-circuit current.
The fixed three-pole construction of the 1SDA124863R1, combined with its rear horizontal connection arrangement, supports installation in compatible switchboards and electrical distribution assemblies. Its 2000 A rating provides substantial current-carrying capacity for high-demand feeders and main distribution circuits.
Typical Applications
- Low-voltage main distribution switchboards.
- Industrial power distribution systems.
- High-current feeder protection.
- Commercial building electrical distribution.
- Industrial plants and manufacturing facilities.
- Infrastructure and power management installations.
- High-capacity electrical switchgear and panel systems.
