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The ABB Control 1SNA645049R1200 is an industrial optocoupler solid-state relay belonging to the OBIC series. It features a screw terminal interface for secure panel mounting and integrates an internal LED indicator for status visibility. The unit operates with a control supply voltage range of 48-60VAC/DC. Its solid-state output provides a rated switching voltage of 4.5-58VDC, supporting load currents from 1 mA up to 100 mA. This configuration ensures reliable electrical isolation and durable switching performance for industrial automation applications.
Verify the specific part number against official ABB documentation to confirm technical specifications and availability. Ensure that the control voltage requirements match the application's power supply characteristics. Check for any regional distribution restrictions or discontinuation notices prior to procurement. Confirm mechanical dimensions and mounting requirements align with the enclosure design.
Select this component when electrical isolation and long-term reliability are required in industrial environments. The integrated LED simplifies troubleshooting by providing immediate visual feedback on the relay state. Consider the 100 mA output capacity for low-power signal switching tasks. Ensure the 48-60VAC/DC control input matches the available control circuit voltage.
This device is part of ABB's OBIC series of optocoupler relays, designed for industrial mounting. It serves as a bridge between control circuits and load circuits, providing galvanic isolation. The series is known for compact design and high durability, suitable for replacing electromechanical relays in space-constrained panels.
Public confirmed substitute part numbers are not available in the provided data.