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Siemens 3RU2116-0KB0 Thermal Overload Relay - 0.90-1.25A

Siemens 3RU2116-0KB0 Thermal Overload Relay for motor protection.

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ManufacturerSiemens

Part number3RU2116-0KB0

Type Thermal Overload Relay

Manufacturer Siemens

Series SIRIUS 3RU21

Part Number 3RU2116-0KB0

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Thermal Overload Protection Motor Protection Contactor Mountable Screw Terminals Manual/Automatic Reset Class 10 Trip Class

Product description

The Siemens 3RU2116-0KB0 is a thermal overload relay featuring an adjustable current range of 0.90 to 1.25 A, providing precise motor protection. It is designed for Class 10 overload tripping and allows for direct mounting onto Siemens contactors. The relay is equipped with screw terminals for both main and auxiliary circuits and supports manual or automatic reset, ensuring versatility in application.

This relay is crucial for protecting electric motors in diverse industrial settings, including conveyor systems, machine tools, and ventilation systems. Its reliable performance prevents motor damage from overloads, phase failures, and unbalanced loads, contributing to longer equipment life and reduced downtime.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3RU2116-0KB0 surplus overload relay. We are committed to delivering quality automation components and reliable service to meet your operational needs.

Technical specifications

Type	Thermal Overload Relay
Manufacturer	Siemens
Series	SIRIUS 3RU21
Part Number	3RU2116-0KB0
Current Range	0.90-1.25 A
Size	S00
Trip Class	Class 10
Mounting	Contactor Mounting
Reset	Manual/Automatic
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Screw

Common applications

Motor Control

Pump Control

Conveyor Systems

HVAC Equipment

Industrial Machinery

Manufacturing Automation

Compatible systems

Siemens 3RT Contactors

Also known as

Siemens 3RU21160KB0 SIRIUS 3RU21 Overload Relay Siemens Motor Protection Relay

Replaces / compatible with

Replaces older Siemens overload relays with similar current ratings and mounting specifications. Compatible with Siemens 3RT contactors.

Technical note

Expert tip

For optimal performance and safety, ensure the overload relay is properly sized according to the motor's nameplate current rating and the application's duty cycle.

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Frequently asked questions

What is the maximum motor current that can be protected by the Siemens 3RU2116-0KB0 overload relay?

The Siemens 3RU2116-0KB0 overload relay has an adjustable current range from 0.90 to 1.25 A. This range is suitable for motors whose full load current falls within these parameters, providing effective thermal protection.