1SDA059903R1 ABB E2/E W FP 4p 1000V DC HR-HR New Fixed Part 2500 A

Why Choose the ABB E2/E W FP 4p 1000V DC HR-HR New Fixed Part?

The ABB E2/E W FP 4p 1000V DC HR-HR new, order code 1SDA059903R1, is a specialised SACE Emax E2 fixed part for withdrawable air circuit breakers engineered for high-voltage DC power distribution. As part of the ABB New Emax family, it provides the permanently installed mechanical and electrical interface for a compatible E2/E withdrawable circuit breaker in 1000 V DC systems.

This version features a four-pole configuration with horizontal rear terminals at both the upper and lower connections. The HR-HR arrangement provides rear flat horizontal power connections for integration with suitably engineered DC busbar systems, while the withdrawable architecture allows the compatible breaker to be removed for inspection, servicing or replacement while the fixed part remains installed.

With a rated uninterrupted current of 2500 A and a rated voltage of 1000 V DC, the 1SDA059903R1 is designed for demanding direct-current distribution duties. Its combination of four-pole construction, high DC voltage capability and SACE Emax withdrawable architecture makes it suitable for industrial DC networks and other high-capacity applications requiring dependable isolation and serviceability.

Key Advantages

• Genuine ABB SACE Emax E2/E fixed part for compatible withdrawable circuit breakers.
• 1000 V DC rated voltage for demanding direct-current power systems.
• 2500 A rated uninterrupted current for high-capacity distribution applications.
• Four-pole configuration specifically suited to the compatible E2/E DC breaker arrangement.
• HR-HR horizontal rear terminals at both upper and lower connections simplify integration with suitable rear busbar systems.
• Withdrawable architecture supports efficient breaker inspection, maintenance and replacement.

Key Features

• ABB SACE Emax / New Emax E2/E series.
• WFP fixed-part version.
• 4-pole configuration.
• 2500 A rated uninterrupted current (Iu).
• 1000 V DC rated voltage (Ur).
• DC current type.
• Horizontal rear upper terminals (HR).
• Horizontal rear lower terminals (HR).
• Rear flat horizontal terminal connection system.
• Designed for compatible withdrawable E2/E circuit breakers.
• Designed in accordance with applicable IEC requirements.

Reliable High-Voltage DC Circuit Breaker Integration

A fixed part forms the permanently installed section of a withdrawable circuit breaker assembly, providing the mechanical mounting and main electrical connection interface between the removable breaker and the switchboard. The ABB 1SDA059903R1 is specifically configured for the E2/E 1000 V DC system, enabling the compatible breaker to be withdrawn while the fixed assembly remains installed.

The combination of a 2500 A uninterrupted current rating, 1000 V DC voltage rating and horizontal rear upper and lower terminals makes this fixed part particularly suited to engineered high-power DC switchgear. Its four-pole configuration and rear horizontal connection arrangement support purpose-designed DC distribution assemblies where electrical capacity, connection geometry and maintainability are key requirements.

Typical Applications

• High-capacity industrial DC distribution systems.
• 1000 V DC low-voltage switchgear assemblies.
• Withdrawable SACE Emax E2/E circuit breaker installations.
• Industrial DC main distribution boards.
• Power conversion and energy infrastructure systems.
• Engineered DC busbar and distribution assemblies.
• OEM switchgear and specialised panel-building applications.