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Siemens 3RU2116-1DB0 Thermal Overload Relay - 2.2-3.2A

Siemens 3RU2116-1DB0 thermal overload relay for motor protection.

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ManufacturerSiemens

Part number3RU2116-1DB0

Current Setting 2.2-3.2 A

Size S00

Class 10

Reset Manual/Automatic

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Thermal overload protection Motor protection Size S00 Class 10 Screw terminals Manual/Automatic reset

Product description

The Siemens 3RU2116-1DB0 is a thermal overload relay engineered for dependable motor protection. It features a current setting range from 2.2 to 3.2 Amps, suitable for Size S00 applications and rated for Class 10 performance. This relay utilizes screw terminals for both its main power and auxiliary control circuits, offering flexibility in installation and supporting both manual and automatic reset functions.

This overload relay is essential for safeguarding electric motors across a wide spectrum of industrial uses, such as in automated manufacturing lines, HVAC systems, and material handling equipment. Its robust design makes it a reliable choice for demanding environments and continuous operation.

Stanlo Automation, a veteran-owned business, specializes in providing surplus industrial automation parts. We offer the Siemens 3RU2116-1DB0 and other critical components, ensuring you receive quality products at competitive prices to keep your operations running smoothly.

Technical specifications

Current Setting	2.2-3.2 A
Size	S00
Class	10
Reset	Manual/Automatic
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Screw
Mounting	Contactor Mounting

Common applications

Motor protection

Industrial machinery

HVAC systems

Material handling

Manufacturing automation

Electrical control panels

Compatible systems

Compatible with Siemens 3RT contactors; S00 size

Also known as

Siemens 3RU2116-1DB0 SIRIUS 3RU21 Overload Relay Siemens Motor Protection Device

Replaces / compatible with

This overload relay is designed to be mounted on compatible Siemens contactors within the SIRIUS 3RU21 series. It serves as a direct replacement for older versions or specific motor protection relays with similar electrical ratings.

Technical note

Expert tip

For stand-alone mounting, appropriate accessories must be used; verify compatibility with the intended Siemens contactor model before installation.

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Frequently asked questions

What is the Class rating for the Siemens 3RU2116-1DB0 overload relay?

The Siemens 3RU2116-1DB0 overload relay is rated for Class 10 protection. This means it is designed to trip within 10 seconds when subjected to six times its set current, providing adequate protection for most standard motor starting times.