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3RN1011-1CK00

Marvo Stock ID: MV-7VNR

£25.67 (ex. VAT)

Siemens

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Specifications

Specification Description
Part Number 3RN1011-1CK00
Alternative Part Number 3RN10111CK00
Manufacturer Siemens
Series 3RN1
Type Thermistor Motor Protection Unit
Operation Manual
Voltage Rating 230/110 V AC
Frequency 50/60 Hz
Number of Measuring Circuits 1
Contacts Configuration 1 Normally Open (NO) + 1 Normally Closed (NC)
Connection Type Screw Connection
Width 22.5 mm
Height 102 mm
Depth 91 mm
Protection Class IP20
Ambient Operating Temperature -25 to +60 °C
Measurable Temperature Range 60 to 180 °C
Product Function Reclosing interlock, Defect storage, External reset
Approval EMC, For use in hazardous locations

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3RN1011-1CK00 Product Description

The Siemens 3RN1011-1CK00 is a thermistor motor protection unit designed to safeguard motors from potential thermal overload. This standard evaluation unit is a crucial component for industrial applications where motor reliability and protection are paramount. It operates with a control supply voltage of 230 V ac or 110 V ac, catering to a broad range of electrical systems.

Crafted for durability and efficiency, the unit measures 23 x 86 x 102 mm, making it a compact solution that can be easily integrated into existing setups. The device features a manual reset function, one normally open (NO) and one normally closed (NC) contact, ensuring that it can be tailored to various control circuit requirements.

The 3RN1011-1CK00 is equipped with an LED display for clear indication of operational status and is housed in an IP20 rated enclosure, providing protection against solid objects larger than 12mm. It is designed to operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in diverse working environments.

This thermistor motor protection unit is an essential component for those seeking a robust and reliable solution to protect their motor-driven equipment from thermal damage, thus ensuring longevity and reducing downtime in their operations.

Frequently Asked Questions

What is the purpose of this thermistor motor protection unit?

The thermistor motor protection unit is designed to protect motors from overheating by monitoring the temperature via connected thermistors and disconnecting the power in case of a temperature rise beyond the set threshold.

Can this device be manually reset?

Yes, the Siemens 3RN1011-1CK00 features a manual reset function, allowing an operator to manually reset the device after a trip event.

What type of connections does this unit support?

This unit supports screw-type terminal connections for both auxiliary and control current circuits.

What is the voltage rating for this protection unit?

The unit is rated for control supply voltages of 110 V AC at both 50 Hz and 60 Hz, and 230 V AC at both 50 Hz and 60 Hz.

How many measuring circuits does this unit have?

The unit has one measuring circuit for connecting a thermistor.

What are the dimensions of this protection unit?

The dimensions of the unit are 22.5 mm in width, 102 mm in height, and 91 mm in depth.

What is the IP rating of this device?

The device has an IP20 protection class rating.

Does this unit have a LED display?

Yes, it comes with an LED display for indicating operational status and diagnostics.

What is the ambient operating temperature range for this unit?

The ambient operating temperature range for this unit is from -25°C to +60°C.

What type of product approvals does this unit have?

The unit has general product approvals for EMC, which indicates it meets electromagnetic compatibility requirements.