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Siemens Thermal Overload Relay SIRIUS 3RU2, 1 NO/1 NC, 2.2A-3.2A Adjustable, 3.2A Contact Rating, 1.1 kW, 690V 3RU2116-1DB0

Name: Siemens Thermal Overload Relay SIRIUS 3RU2, 1 NO/1 NC, 2.2A-3.2A Adjustable, 3.2A Contact Rating, 1.1 kW, 690V 3RU2116-1DB0
Brand: Siemens
SKU: 216662
Price: 73.54 USD
Availability: InStock

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Category Thermal Overload Relay Brand Siemens Condition New

Specifications

Country of Origin	Germany
Brand	Siemens
Length	87mm
Model	3RU2116-1DB0
Depth	73mm
IP Rating	IP20
Width	45mm
Mount Type	Contactor
Series	SIRIUS 3RU2
Power Rating	1.1kW
Maximum Operating Temperature	70°C
Minimum Operating Temperature	-40°C
Terminal type	Screw
Supply Voltage	690V
Contact Voltage	690V ac
Reset Method	Automatic & Manual
Normal State Configuration	1 NO/1 NC
Relay Contact Current	3.2A
Number of Auxiliary Contacts	2
Pole and Throw Configuration	3
FLC Motor Rating	2.2, 3.2A
Adjustable Current Range	2.2 → 3.2 A

Key Features

Supports 1 NO and 1 NC contact configuration for effective overload response.
Compact size with dimensions 87mm length, 45mm width, and 73mm depth.
Operates safely within -40°C to +70°C temperature range.
Equipped with automatic and manual reset methods for versatile control.
Screw terminal type ensures secure electrical connections.
Suitable for 690V supply voltage, with IP20 protection rating.
Designed for controlling motors up to 1.1 kW power rating.
Adjustable current range tailored to motor requirements enhances protection accuracy.

Product Description

Siemens 3RU2116-1DB0 Thermal Overload Relay from the SIRIUS 3RU2 series is a high-performance electrical protection device designed to safeguard three-phase motors in industrial and commercial applications. This relay features a 1 NO/1 NC contact configuration with adjustable current settings ranging from 2.2 to 3.2 amperes, providing precise overload protection for motors rated up to 1.1 kW.

The device is engineered to operate reliably within a broad ambient temperature range of -40°C to +70°C, ensuring suitability in varied environmental conditions. Its compact dimensions (87mm length, 45mm width, and 73mm depth) allow for convenient contactor mounting in limited panel space. The relay supports both automatic and manual reset methods, offering operational flexibility based on application needs.

Featuring robust screw terminals, the relay facilitates secure and versatile wiring connections capable of accommodating solid, stranded, or finely stranded conductors. It maintains an insulation voltage rating of 690V AC and an IP20 ingress protection rating, ensuring safe use in standard electrical environments. This model complies with international standards and approvals including UL, IEC (81346-2, 61508, 60529, 60068-2-27), CE, CSA, EAC, and CCC, aligning with industrial safety and quality requirements.

Adjustable thermal overload release for accurate motor current protection. Compact design allows easy integration with contactor mountings. High safety standards with 690V insulation and IP20 protection. Supports motor power ratings up to 1.1 kW for varied industrial applications.

Dual auxiliary contacts enhance relay functionality and control options.

This Thermal Overload Relay is ideal for industrial use cases involving motor control and protection within manufacturing plants, HVAC systems, and other automation setups. Its reliable performance helps prevent motor damage due to overcurrent conditions, reducing downtime and maintenance costs. Siemens' SIRIUS 3RU2 relay series represents a trusted solution for professionals seeking durable and efficient motor protection devices.

Explore a wide range of relays and contactors in the EnvMart catalogue to find compatible control and automation gear tailored to your operational requirements.