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Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 0.28A-0.4A FLC 400mA Contact Rating 90W 3RU2116-0EB0

Name: Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 0.28A-0.4A FLC 400mA Contact Rating 90W 3RU2116-0EB0
Brand: Siemens
SKU: 216663
Price: 73.45 USD
Availability: InStock

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Category Thermal Overload Relay Brand Siemens Condition New

Specifications

Country of Origin	Germany
Brand	Siemens
Length	89mm
Model	3RU2116-0EB0
Depth	80mm
IP Rating	IP20
Width	45mm
Mount Type	Direct
Series	SIRIUS 3RU2
Power Rating	90W
Maximum Operating Temperature	70°C
Minimum Operating Temperature	-40°C
Terminal type	Screw
Contact Voltage	690V ac
Reset Method	Automatic & Manual
Normal State Configuration	1 NO/1 NC
Relay Contact Current	400mA
Number of Auxiliary Contacts	2
Pole and Throw Configuration	3
FLC Motor Rating	0.28, 0.4A
Adjustable Current Range	0.28 → 0.4 A

Key Features

Effective motor protection with thermal overload release function.
Adjustable current range from 0.28 to 0.4 amperes for versatile applications.
Supports a contact current rating of 400 mA ensuring reliable switching.
Compact 3-pole design with screw terminal type for direct mounting.
Integrated manual and automatic reset methods for operational flexibility.
Operates within a temperature range from -40°C to 70°C suitable for harsh environments.
Constructed to meet international standards including IEC and UL approvals.
Continuous power rating of 90 watts for efficient overload protection.

Product Description

Siemens 3RU2116-0EB0 SIRIUS 3RU2 Thermal Overload Relay is engineered for precise motor overload protection within industrial automation and control systems. It features a 1 NO (normally open) and 1 NC (normally closed) auxiliary contact configuration designed for circuit monitoring and control.

This device supports a full-load current (FLC) rating adjustable from 0.28 to 0.4 amperes, allowing it to protect low current motors effectively. The relay ensures high reliability through a robust 3-pole design with direct mounting capability and screw terminals, facilitating secure and compact installation within control panels.

The overload relay includes integrated manual and automatic reset methods increasing operational versatility. It can function reliably in extreme ambient conditions, from -40°C up to 70°C, making it suitable for demanding industrial environments including manufacturing, HVAC, water treatment, and electrical automation.

The contact rating of 400 mA and contact voltage of 690V AC meet rigorous industrial standards, backed by multiple international certifications including IEC 61508, UL, CE, CSA, CCC, and EAC. With a power rating of 90 watts, this relay delivers durable motor protection to prevent damage from electrical overloads.

Physical dimensions are designed for ease of integration: length 89 mm, width 45 mm, and depth 80 mm, complying with standard panel sizes. The relay’s IP20 rating offers basic protection against solid objects, enhancing safety during operation.

Effective motor protection with thermal overload release function. Adjustable current range from 0.28 to 0.4 amperes for versatile applications. Supports a contact current rating of 400 mA ensuring reliable switching. Compact 3-pole design with screw terminal type for direct mounting.

Integrated manual and automatic reset methods for operational flexibility. Operates within a temperature range from -40°C to 70°C suitable for harsh environments. Constructed to meet international standards including IEC and UL approvals.

Continuous power rating of 90 watts for efficient overload protection. Dimensions of 89mm length, 45mm width, and 80mm depth for easy panel installation. Contact voltage rating up to 690V AC for industrial use.

Ideal for overload protection in three-phase motors, this relay enhances motor safety and operational continuity. It is frequently used across sectors including industrial automation, manufacturing lines, and electrical control systems requiring precise and reliable motor current monitoring.

Explore more Siemens overload relays and related automation components on EnvMart to optimize your electrical control systems with trusted industrial-grade products.

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Frequently Asked Questions

The Siemens SIRIUS 3RU2 Thermal Overload Relay has an adjustable current range from 0.28 to 0.4 amperes, allowing it to protect low current motors effectively.

This model supports a contact current rating of 400 mA, ensuring reliable switching in various applications.

The relay has dimensions of 89 mm in length, 45 mm in width, and 80 mm in depth, making it suitable for standard panel sizes.

The continuous power rating of this thermal overload relay is 90 watts, providing efficient overload protection for motors.

This unit operates within a temperature range from -40°C to 70°C, making it suitable for harsh industrial environments.

It includes both automatic and manual reset methods, providing operational flexibility for various applications.

The relay has an IP20 rating, offering basic protection against solid objects during operation.

This model features a configuration of 1 normally open (NO) and 1 normally closed (NC) auxiliary contact for circuit monitoring and control.

The contact voltage rating for this thermal overload relay is up to 690V AC, suitable for industrial applications.

It is designed for direct mounting with screw terminals, facilitating secure and compact installation within control panels.

This relay is constructed to meet multiple international standards, including IEC 61508, UL, CE, CSA, CCC, and EAC.

It is ideal for overload protection in three-phase motors and is frequently used in industrial automation, manufacturing lines, and electrical control systems.