Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 1.6A Full Load Current, 3A Contact Rating 3RU2116-1AC1

Siemens 3RU2116-1AC1 Thermal Overload Relay is a high-quality stand-alone overload relay designed for protecting motors with normal starting current requirements. It supports a full load current rating of 1.6A and a relay contact current rating of 3A, making it suitable for a variety of industrial automation and control applications.

This thermal overload relay is part of the SIRIUS 3RU2 series and offers adjustable current range from 1.1 to 1.6 A, allowing precise settings for motor protection. It features a 1 NO/1 NC contact configuration with cage clamp terminal types ensuring reliable electrical connections. The relay supports both automatic and manual reset methods, providing operational flexibility. Its robust design operates effectively within a wide ambient temperature range of -40°C to 70°C and is rated IP20 for environmental protection.

The device includes an impulse voltage resistance of 6 kV and a contact voltage rating of 690V AC. Compact physical dimensions of 79.5 mm in width, 45 mm in length, and 101.9 mm in depth make it easy to integrate into control panels. The inclusion of a stop button, switch position indicator, and test function enhances operational safety and user convenience.

Designed primarily for use with Sirius Size S0 and S00 contactors, this overload relay performs current-sensitive load protection to prevent motor damage from overload conditions. It supports surface or DIN-rail mounting options, fitting various installation environments. Its compliance with DMT 98 ATEX G 001 standards ensures suitability for hazardous area applications.

Manufactured in Germany, this Siemens thermal Overload Relay represents reliable and precise motor protection for industrial, manufacturing, automation, HVAC, and electrical systems. It is ideal for engineering, maintenance, and automation professionals seeking high-performing and certified motor protection devices.

Features adjustable current range from 1.1 to 1.6 A for precise protection. Includes 1 normally open (NO) and 1 normally closed (NC) contact configuration. Designed for stand-alone mounting with cage clamp terminal type.

Equipped with manual and automatic reset methods for flexible operation. Operates reliably within temperature range of -40°C to 70°C. Compact dimensions of 79.5mm width, 45mm length, and 101.9mm depth. Rated for contact voltage up to 690V AC with impulse voltage resistance of 6 kV.

Suitable for use with Sirius Size S0 and S00 contactors, providing current-sensitive motor load protection. Features a switch position indicator, test function, and a stop button for enhanced safety. Designed and manufactured in Germany, compliant with DMT 98 ATEX G 001 standards.

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