3RU1116-1EC1

The 3RU1116-1EC1 is a SIRIUS S00 housing overload relay with a current adjustment range of 2.8~4.0A. It adopts a spring clip terminal design and can be installed independently rather than being directly connected to a contactor. It is a Class 10 tripping relay.

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Siemens SIRIUS 3RU1116-1EC1 Spring Terminal Thermal Overload Relay (2.8-4.0A) Product Image

Product Positioning

3RU1116-1EC1 is a Siemens SIRIUS series S00 housing thermal overload relay with a current adjustment range of 2.8~4.0A. The "C" at the end of the model number indicates a spring clip terminal, which can be installed independently without being directly attached to the contactor.

Core Product Advantages and Features

Spring clip terminal wiring

Wiring can be completed without screws, making it suitable for control panels that require quick maintenance.

Independent installation offers high flexibility

Versions with the C1 suffix can be individually mounted on rails or panels, and are not limited to wall mounting.

Current adjustment 2.8-4.0A

It covers the rated current range of common small three-phase motors and is easy to set.

Three-phase phase loss protection

It trips immediately upon detecting a phase loss or unbalanced current to protect the motor windings.

project	Specification
Current adjustment range	2.8–4.0 A
Applicable housings/contactors	S00, compatible with 3RT1015～3RT1017
Break away from level	Class 10
Terminal blocks	Spring clip type terminal (standalone mounting version)

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3RU1116-1EB2

The 3RU1116-1EB2 is a heat-overload relay for SIRIUS S00 housings, with a current adjustment range of 2.8~4.0A and a screw terminal design. A B0 direct-mount version is also available in the same current range. This model is a specific installation version and is a Class 10 skip class.

3RU1116-1AB0

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