Square D Advantys Interface Relay – Model ABR1S618B
The Square D ABR1S618B is an Advantys series interface relay designed for use between control systems and field devices. Operating on a 24V AC/DC coil at 50/60Hz, it provides a 1 NC + 1 NO contact output rated at 125V DC and 12A, in a compact 17.5mm wide gray housing.
Key Specifications
- Series: Advantys
- Product Type: Interface Relay
- Coil Voltage: 24V AC/DC
- Frequency: 50/60Hz
- Contact Output Voltage: 125V DC
- Contact Current Rating: 12A
- Coil Power: 1.5W
- Contact Configuration: 1 NC + 1 NO
- Housing Color: Gray
- Width: 17.5mm
- Manufacturer: Square D (Schneider Electric)
- Model: ABR1S618B
Features
- 1 NC + 1 NO contact configuration for flexible switching logic
- 24V AC/DC coil for compatibility with both AC and DC control systems
- Compact 17.5mm wide profile for dense DIN rail installations
- 12A contact rating for reliable load switching
- Low 1.5W coil power consumption
Applications
Used as an interface between PLC outputs and field loads, between different voltage levels in control systems, and for signal isolation in industrial automation and process control panels. Suitable for motor control centers, machine builders, and panel integrators.

