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Siemens 3RN1010-1CM00 Thermistor Motor Protection

Siemens 3RN1010-1CM00 Thermistor Motor Protection Relay

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ManufacturerSiemens

Part number3RN1010-1CM00

Part Number 3RN1010-1CM00

Manufacturer Siemens

Type Thermistor Motor Protection

Function Standard Evaluation Unit

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12-month warranty

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Veteran-owned

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Thermistor monitoring Automatic reset Standard evaluation 1 NO + 1 NC contacts Screw terminals 230V AC operation

Product description

The Siemens 3RN1010-1CM00 is a thermistor motor protection relay designed for standard motor protection applications. It features automatic reset functionality, one normally open (NO) and one normally closed (NC) contact, and operates on 230V AC. This unit uses screw terminals for connection.

This protection relay is used to safeguard electric motors from overheating by monitoring the temperature via integrated thermistors. It is essential for protecting motor windings in pumps, fans, compressors, and other industrial machinery.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RN1010-1CM00. Please note this is a phased-out product, and the preferred successor is the 3RN2010-1BW30. We can help you source this or its modern equivalent.

Technical specifications

Part Number	3RN1010-1CM00
Manufacturer	Siemens
Type	Thermistor Motor Protection
Function	Standard Evaluation Unit
Reset	AUTO
Contacts	1 NO + 1 NC
Voltage	230V AC
Terminals	Screw

Common applications

Motor Protection

Industrial Machinery

Pump control

Fan control

Compressor control

Manufacturing Automation

Compatible systems

Siemens motor control systems Compatible thermistor probes

Also known as

Siemens Motor Protection Relay

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens 3RN2010-1BW30. It provides essential motor thermal protection functionalities.

Technical note

Expert tip

When replacing the 3RN1010-1CM00, ensure the successor 3RN2010-1BW30 is correctly wired and that the thermistor probe characteristics are compatible.

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Frequently asked questions

What is the preferred successor for the Siemens 3RN1010-1CM00 motor protection relay?

The Siemens 3RN1010-1CM00 is a phased-out product. The manufacturer's preferred successor is the Siemens 3RN2010-1BW30. Both units offer thermistor motor protection with automatic reset functionalities.