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Siemens 3RN2010-1CW30 Thermistor Motor Protection Relay - Wide Voltage

Siemens 3RN2010-1CW30 Thermistor Motor Protection Relay

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ManufacturerSiemens

Part number3RN2010-1CW30

Enclosure 17.5 mm

Terminals Screw

Contacts 1 NO, 1 NC

Supply Voltage (Us) 24-240 V AC/DC

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Veteran-owned

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Compact 17.5mm enclosure Screw terminals 1 NO + 1 NC contacts Auto-reset function Dual LED indication Wide voltage range 24-240V AC/DC

Product description

The Siemens 3RN2010-1CW30 is a compact thermistor motor protection relay housed in a 17.5 mm enclosure with screw terminals. It features one normally open (NO) and one normally closed (NC) contact, and operates with a wide supply voltage range of 24 V to 240 V AC/DC. This model includes an auto-reset function for seamless operation and is suitable for bimetallic switches. Two LEDs provide status indication for ready and tripped states.

This relay offers robust protection for motors by monitoring their temperature directly. It is an excellent choice for various industrial applications, including motor control, automation systems, and machinery where reliable thermal protection is paramount.

Stanlo Automation, your veteran-owned source for surplus industrial parts, offers the Siemens 3RN2010-1CW30. We pride ourselves on providing quality components and exceptional value. Partner with Stanlo Automation for your industrial automation needs.

Technical specifications

Enclosure	17.5 mm
Terminals	Screw
Contacts	1 NO, 1 NC
Supply Voltage (Us)	24-240 V AC/DC
Reset	Auto RESET
Indicators	2 LEDs (Ready/Tripped)
Compatibility	Bimetallic switches

Common applications

Motor protection

Industrial automation

Machinery

Control systems

Thermal monitoring

Compatible systems

Bimetallic switches PTC sensors

Also known as

3RN2010-1CW30 Siemens Relay Siemens Wide Voltage Motor Relay

Replaces / compatible with

This relay is designed to protect motors from overheating and can be used as a replacement for older Siemens models or similar devices in motor protection applications.

Technical note

Expert tip

The unit's galvanic isolation provides safety by separating the control circuit from the power circuit, preventing feedback and ensuring stable operation.

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Frequently asked questions

What is the operating voltage range for the Siemens 3RN2010-1CW30?

The Siemens 3RN2010-1CW30 thermistor motor protection relay features a wide operating voltage range of 24 V to 240 V AC or DC. This versatility allows it to be used in various electrical systems without needing different models for different voltage requirements.