ABB Auxiliary Switch Block MS116 Series 2 Normally Open Contacts 16A 690 V AC 440 V DC Screw Terminal 1SAM201903R1002 SK1-20

ABB 1SAM201903R1002 SK1-20 Auxiliary Switch Block from the MS116 Series provides two normally open contacts rated for 16A and designed for use with motors up to 7.5 kW. This device ensures additional supplementary switching capacity for control circuits in various industrial and automation applications, including motor starters and panel controls.

The auxiliary switch block is suitable for both AC and DC applications, with voltage ratings of 690 V AC and 440 V DC. Its screw terminal connections secure electrical wiring firmly, ensuring reliable mechanical and electrical performance even under vibration conditions common in industrial environments.

Certified by international standards including GL (Germany), ships’ classification societies, CSA (Canada and USA), and LRS (Great Britain), it meets stringent quality and safety requirements, enabling use in diverse commercial and marine installations.

Common applications include signaling and feedback in motor starter circuits, factory automation controls, and remote monitoring systems. The device simplifies wiring via its 2 normally open contact configuration, ideal for interlocks and alarms.

This switch block adds reliable supplementary contacts for industrial motor control circuits. Two normally open contacts rated 16A ensure effective load switching. Screw terminal design provides secure and maintenance-friendly connections.

Compatible with motors up to 7.5 kW for medium power applications. Voltage ratings support both AC and DC supply environments. Meets certifications from GL, CSA, LRS, and ships’ societies for various markets. Used in automation, marine, manufacturing, and industrial controls for monitoring and signalling.

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