Phoenix Contact Electronic Circuit Breaker — Single-Channel, 24V DC, 3A
The Phoenix Contact 2909904 electronic circuit breaker provides precise overcurrent and short-circuit protection for 24V DC control circuits and power distribution systems. Unlike traditional magnetic-hydraulic circuit breakers, electronic circuit breakers offer adjustable trip characteristics and fast response times, making them ideal for protecting sensitive 24V DC loads in automation and control panel applications.
Key Features
- Single-channel design for individual circuit protection
- 24V DC rated for standard control and automation circuit voltages
- 3A current rating for low-power DC loads and instruments
- DIN rail mount for standard control panel installation
- Compact 6.2 mm width for high-density panel layouts
- Gray housing for standard control panel aesthetics
Specifications
- Manufacturer: Phoenix Contact
- Model: 2909904
- Type: Electronic Circuit Breaker
- Channels: Single
- Voltage: 24V DC
- Current: 3A
- Mounting: DIN Rail
- Color: Gray
- Dimensions: 105.8 H x 6.2 W x 55.6 D mm
Applications
Used in industrial control panels, automation systems, PLC enclosures, and process control equipment to protect individual 24V DC circuits for sensors, solenoids, relays, and other field devices. The slim 6.2 mm profile allows dense channel packing in space-constrained panel environments, while DIN rail mounting ensures quick and secure installation.



