Phoenix Contact ELR DC Circuit Breaker
Phoenix Contact ELR DC Circuit Breaker is designed to protect, monitor, and switch high DC loads in industrial direct-current power systems. The compact devices combine hybrid switching technology with parameterization capabilities to address the operational requirements of modern DC grids while supporting safe and efficient load management. The ELR DC circuit breaker supports intuitive configuration through clipx ENGINEER software and communication via an IO-Link interface. Integrated pre-charging helps reduce current peaks during switching, while hybrid technology enables extremely fast short-circuit shutdown performance. Phoenix Contact ELR DC Circuit Breaker is suitable for industrial DC power networks, energy-efficient facilities, and building automation systems where improving operational safety is a key design objective.
Features
- Hybrid technology for protection, monitoring, and switching functions in DC grids
- Integrated energy recovery support for improved DC-grid efficiency
- Intuitive parameterization using clipx ENGINEER software
- IO-Link support
- Integrated pre-charging function to help prevent switching current peaks
- Protection against overcurrent and overvoltage/undervoltage conditions
- Data logging and network-capable operation
- Electrical isolation via integrated relay technology
- Fast short-circuit shutdown enabled by hybrid technology
Applications
- Industrial DC power grids
- Building automation DC power systems
- Industrial power distribution networks
- Energy recovery and efficiency-focused DC infrastructures
- High-DC-load monitoring and switching applications
Specifications
- 440VDC insulation voltage
- 6kV impulse withstand voltage
- III overvoltage category
- 55W maximum power dissipation
- 24VDC control supply voltage
- 2 positions
- 0 to 810VDC operating voltage range
- IP20 protection rating
- -20°C to +60°C operating temperature range
Block Diagram
