Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 0.9A-1.25A F.L.C 1.25A Contact Rating 370W 3P 3RU2116-0KB0

Siemens 3RU2116-0KB0 SIRIUS 3RU2 Thermal Overload Relay is engineered for current-sensitive protection of motors and similar loads. This relay is designed with adjustable current capability from 0.9 to 1.25 amperes, enabling precise calibration for motor full load current (FLC) of 1.25 A, ensuring optimal protection against overload conditions.

The relay includes one Normally Open (NO) and one Normally Closed (NC) contact, providing flexible control configurations for industrial automation systems. Suitable for three-pole (3P) mounting, it can be integrated directly into motor control circuits.

Installation is simplified with screw terminal connections, providing robust and durable fastening. The product supports both manual and automatic reset options, allowing for operational flexibility and ease of use after a trip event.

Designed to operate reliably in demanding environments, this relay boasts IP55 and IP65 ratings, ensuring protection against dust ingress and water jets, making it suitable for industrial and outdoor applications. Its operating temperature range spans from -40°C up to 70°C, catering to a broad spectrum of climatic conditions.

Physical dimensions of 45mm width, 87mm length, and 73mm depth make it compact and easy to integrate into existing control panels or systems. The relay is rated for contact voltages up to 690V AC, fitting standard three-phase systems in industrial settings.

The Siemens 3RU2116-0KB0 complies with several international standards such as CE, UL, WEEE, IEC, REACH, UKCA, EAC, RoHS, and CCC, ensuring high quality, safety, and environmental compliance.

Typical applications of this thermal overload relay include protection in industrial automation, manufacturing plants, HVAC systems, and other commercial electrical installations requiring reliable motor overload protection.

Offers adjustable current range from 0.9 to 1.25 amperes for precise motor load protection. Features 1 Normally Open and 1 Normally Closed contact configuration to control and monitor circuits effectively. Supports three poles (3P) suitable for three-phase systems.

Constructed with screw terminal type for secure and reliable electrical connections. Equipped with manual and automatic reset methods for versatile operation. Designed with IP55 and IP65 ratings for strong protection against dust and water ingress.

Operating temperature range from -40°C to 70°C, suitable for harsh industrial environments. Compact dimensions with width 45mm, length 87mm, and depth 73mm for space-efficient installation. Contact voltage rated up to 690V AC ensuring compatibility with industrial voltage standards.

Complies with multiple standards including CE, UL, IEC, RoHS, and others for quality assurance. Explore additional Siemens products and other Thermal Overload Relays on EnvMart for comprehensive electrical and automation solutions.