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Siemens 3RN1011-2CB00 Thermistor Motor Protection Relay

Siemens 3RN1011-2CB00 Thermistor motor protection standard evaluation unit.

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ManufacturerSiemens

Part number3RN1011-2CB00

Type Standard evaluation unit

Function Manual

Contacts 1 NO + 1 NC

Voltage 24 V AC/DC

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Thermistor motor protection Standard evaluation Manual operation 1 NO + 1 NC contacts Spring-type terminals Phased-out product

Product description

The Siemens 3RN1011-2CB00 is a standard evaluation unit designed for thermistor motor protection. This phased-out model operates manually and includes 1 normally open (NO) and 1 normally closed (NC) contact. It is configured for 24V AC/DC power supply and utilizes spring-type terminals for connection.

This relay is engineered to protect electric motors from thermal damage caused by prolonged overload conditions or phase failures. It is widely implemented in industrial automation, machine building, and control panels requiring robust motor safeguarding.

Stanlo Automation, a veteran-owned surplus distributor, specializes in providing access to discontinued and hard-to-find industrial automation components like the Siemens 3RN1011-2CB00, ensuring your operational continuity.

Technical specifications

Type	Standard evaluation unit
Function	Manual
Contacts	1 NO + 1 NC
Voltage	24 V AC/DC
Terminal Type	Spring-type terminal
Status	Phased-out

Common applications

Motor control

Industrial automation

Machine safety

Control panels

Manufacturing equipment

Pump systems

Compatible systems

Compatible with standard thermistor probes for motor temperature monitoring.

Also known as

Siemens 3RN1011-2CB00 relay 3RN10 series motor protector

Replaces / compatible with

The preferred successor for the Siemens 3RN1011-2CB00 is the 3RN2011-2BA30.

Technical note

Expert tip

For optimal performance, ensure the thermistor circuit is wired with appropriate cable lengths and shielding to prevent false tripping.

What happens next?

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Frequently asked questions

What are the key features of the Siemens 3RN1011-2CB00 thermistor motor protection relay?

The Siemens 3RN1011-2CB00 features standard evaluation for thermistor motor protection, manual operation, and 1 NO + 1 NC contacts. It operates on 24V AC/DC and uses convenient spring-type terminals for quick installation.