Allen-Bradley 1785-RC/A PLC-5 Relay Cartridge
The Allen-Bradley 1785-RC/A is a PLC-5 Relay Cartridge designed to enhance the functionality of PLC-5 controllers by providing reliable relay output capabilities. This module is engineered to integrate seamlessly with PLC-5/40B, PLC-5/60B, and PLC-5/80B controllers, facilitating efficient interfacing with external devices such as the 700P relay module.
Key Features
- Voltage Handling: Capable of switching 120 Volts AC, ensuring compatibility with standard industrial power systems.
- Backplane Current: Operates with a backplane current of 0.2 Amps at 5 Volts DC, optimizing energy consumption within the system.
- Pilot Duty Contact Rating: Rated at 0.5 Amps, suitable for controlling pilot devices and low-power circuits.
- Environmental Tolerance: Designed to function within a temperature range of 0 to 60 degrees Celsius, accommodating various industrial environments.
- Durability: Built to withstand vibration up to 2 Gs and shock endurance of 25 Gs non-operating and 15 Gs operating, ensuring reliability in demanding conditions.
- Connectivity: Features a removable 4-pin connector, facilitating easy installation and maintenance.
- Wiring Compatibility: Supports wire gauges from 12 to 22 AWG, offering flexibility in wiring configurations.
Applications
The 1785-RC/A Relay Cartridge is ideal for applications requiring robust relay outputs within PLC-5 systems. Its design ensures seamless integration and reliable performance, making it suitable for various industrial automation tasks.
Installation and Compatibility
Installation of the 1785-RC/A is straightforward, thanks to its removable 4-pin connector and support for a wide range of wire gauges. It is specifically designed for use with PLC-5/40B, PLC-5/60B, and PLC-5/80B controllers, ensuring compatibility and ease of integration.
For detailed installation instructions and technical specifications, refer to the official Allen-Bradley documentation.









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