GE IC3600KRSD1

• Output Voltage Compatibility: 24 VDC, 125 VDC, or 120 VAC depending on relay requirements
• Current Output: Designed to meet coil energization needs of industrial relays
• Isolation: Electrical isolation between input logic and output relay circuits
• Mounting: Printed circuit board with edge connector for chassis installation
• Connector Type: Edge connector for backplane interface, terminal blocks for relay wiring
• Operating Temperature: 0°C to 55°C
• Storage Temperature: -25°C to 70°C
• Humidity Range: 5% to 95% relative humidity, non-condensing
• Dimensions: Standard IC3600 board size (approximately 12 x 10 inches)
• Weight: Approximately 1.1 kg

Functional Features

• Amplifies low-power logic signals to drive the coils of industrial control relays
• Provides signal isolation to protect sensitive logic circuitry from electrical transients
• Supports reliable switching of auxiliary equipment such as pumps, fans, and valves
• Designed for integration with other IC3600 modules including IC3600ACL and IC3600ADNA1
• Features durable solid-state components for long-term operation in continuous environments
• Enables implementation of interlocks, sequencing, and safety shutdown functions
• Facilitates modular design and easy replacement within the control cabinet

Applications

• Steam and gas turbine control systems in legacy power generation facilities
• Boiler protection and sequencing systems in industrial plants
• Retrofit and maintenance of original IC3600 control cabinets
• Use in auxiliary system control including lube oil pumps, cooling systems, and fuel handling
• Integration into alarm, trip, and emergency shutdown circuits
• Manufacturing and process industries requiring hardwired relay logic
• Replacement projects where compatibility with vintage GE control infrastructure is required

System Integration
The IC3600KRSD1 is installed in the IC3600 control cabinet via an edge connector that interfaces with the backplane. It receives digital logic signals from processing or input modules and converts them into higher-current outputs capable of energizing relay coils. These relays, in turn, control field devices such as motor starters, solenoid valves, and warning alarms. The module operates within a non-programmable, relay-based control architecture where logic is implemented through physical wiring and discrete components rather than software.

Reliability and Support
As part of the pioneering IC3600 series introduced in the 1960s, the IC3600KRSD1 has demonstrated long-term durability and functional stability in industrial automation. While GE no longer supports this platform for new installations, the module remains in service in certain legacy systems due to its proven performance. Replacement units, refurbished boards, and technical documentation are available through specialized industrial control suppliers and third-party service providers with expertise in maintaining and repairing vintage GE control equipment.