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Siemens 3RN1012-1CB00 Thermistor Motor Protection Relay

Siemens 3RN1012-1CB00 Thermistor motor protection relay.

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ManufacturerSiemens

Part number3RN1012-1CB00

Type Standard evaluation unit

Function Manual/Auto/Remote

Contacts 1 NO + 1 NC

Voltage 24 V AC/DC

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12-month warranty

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Thermistor motor protection Manual/Auto/Remote operation 1 NO + 1 NC contacts Screw terminals 24V AC/DC Phased-out product

Product description

The Siemens 3RN1012-1CB00 is a thermistor motor protection relay with standard evaluation. This phased-out unit offers Manual, Auto, and Remote operating modes. It provides 1 normally open (NO) and 1 normally closed (NC) contact and is designed for 24V AC/DC operation with screw terminals.

This relay is essential for protecting motors against over-temperature conditions, phase failures, and other fault scenarios. Its versatility in operating modes makes it suitable for a wide range of applications in industrial automation, including conveyor systems, pumps, and fans.

Stanlo Automation, your trusted veteran-owned source for surplus automation parts, can help you secure legacy components like the Siemens 3RN1012-1CB00 to maintain your existing systems.

Technical specifications

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

Common applications

Motor protection

Industrial control

Conveyor systems

Pump control

Fan control

Automation panels

Compatible systems

Designed for use with standard thermistor temperature sensors in electric motors.

Also known as

Siemens 3RN1012-1CB00 motor protector 3RN10 series relay

Replaces / compatible with

The preferred successor for the Siemens 3RN1012-1CB00 is the 3RN2012-1BA30.

Technical note

Expert tip

Utilize the remote control input for integration into advanced safety circuits or emergency stop systems.

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Frequently asked questions

What operating modes are available on the Siemens 3RN1012-1CB00 motor protection relay?

The Siemens 3RN1012-1CB00 offers Manual, Auto, and Remote operating modes, providing flexibility for different control scenarios. It features 1 NO + 1 NC contacts and operates on 24V AC/DC via screw terminals.