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3RN1022-1DW00

£72.78 (ex. VAT)

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3RN1022-1DW00

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Marvo Stock ID MV-7VOH
HS Code 85364900
SKU 3RN1022-1DW00
Condition Used
Warranty 12 months
Weight (kg) 1.00
Length (mm) 300.00
Width (mm) 190.00
Height (mm) 150.00

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Specification & Description

Specification Description
Part Number 3RN1022-1DW00
Alternative Part Number 3RN10221DW00
Manufacturer Siemens
Type of Voltage AC/DC
Supply Voltage Frequency 50/60 Hz
Control Supply Voltage 24...240 V (AC at 50/60 Hz, DC)
Number of Measurement Circuits 2
Number of NC Contacts 0 (for auxiliary contacts)
Number of NO Contacts 1 (for auxiliary contacts)
Number of Changeover Contacts 1 (for auxiliary contacts)
Measurable Temperature Range 60°C to 180°C
Product Functions Lockable reset, automatic reset, fault memory, external reset
Material Reference According to DIN EN 61346-2: K
Ambient Operating Temperature -25°C to +60°C
Mechanical Construction Screw-type terminals for auxiliary and control circuit, no jumper socket, LED indicator
Protection Class IP20
Width 22.5 mm
Height 102 mm
Depth 91 mm
Certificates/Approvals General Product Approval, EMC, for use in hazardous locations, various test certificates

The Siemens 3RN1022-1DW00 is a sophisticated thermistor motor protection relay designed to safeguard motors from potential overheating. This component is essential for monitoring the temperature of motor windings, providing real-time protection by evaluating the feedback from connected thermistor sensors.

Engineered to accommodate two sensor circuits, the relay offers both alarm notifications and switch-off capabilities, ensuring immediate response to abnormal temperature conditions. The relay operates with a control supply voltage range of 24 to 240 volts, compatible with both alternating current (AC) and direct current (DC) systems, and is suitable for a frequency of 50 or 60 hertz, catering to a broad spectrum of industrial applications.

The 3RN1022-1DW00 features a user-friendly design with screw-type terminals for secure and reliable electrical connections. It also includes an LED indicator for at-a-glance monitoring of the relay's status. With a compact width of 22.5 mm, it is designed to fit neatly into control panels without occupying excessive space.

This relay is equipped with a reclosing interlock and self-reset function, enhancing its operational reliability. Additionally, it has the capability to store fault conditions and can be externally reset if needed. The temperature range that can be measured by the connected sensors spans from 60 to 180 degrees Celsius, providing a wide operational scope to cater to various motor types and sizes.

The 3RN1022-1DW00 is housed in a robust enclosure with an IP20 protection rating, ensuring durability in industrial environments with an ambient operating temperature range of -25 to +60 degrees Celsius. This makes it a versatile choice for a multitude of industrial settings where motor protection is paramount.

With its combination of advanced features and reliable performance, the Siemens 3RN1022-1DW00 thermistor motor protection relay is an indispensable component for maintaining the integrity and longevity of motor systems.

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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Frequently Asked Questions

What is the function of this thermistor motor protection relay?

The thermistor motor protection relay is designed to protect motors from overheating by monitoring the temperature via connected thermistors. It provides warning signals and can disconnect the power to prevent damage when abnormal temperatures are detected.

Can this device be used with both AC and DC power supplies?

Yes, the thermistor motor protection relay is compatible with both AC and DC power supplies, making it versatile for various applications.

What is the range of operating temperatures for this relay?

The operating temperature range for the relay is from -25°C to +60°C, ensuring reliable performance in a wide range of environmental conditions.

How many sensor circuits can be connected to this relay?

This relay can accommodate two sensor circuits, allowing for the monitoring of multiple points or motors simultaneously.

What type of electrical connection does this relay support?

The relay supports screw-type terminals for its electrical connections, providing a secure and reliable method for wiring.

Does this relay have a manual reset function?

Yes, the relay includes a manual reset function, as well as an automatic reset feature for ease of use and to help reduce downtime.

What is the IP rating of this relay?

The relay has an IP20 rating, indicating that it is protected against solid objects larger than 12.5mm but not against water ingress.

Are there any certifications or approvals for this relay?

The relay has general product approvals and complies with EMC standards for use in hazardous locations, among other certifications.

What are the dimensions of this relay?

The dimensions of the relay are 22.5mm in width, 102mm in height, and 91mm in depth, making it compact for easy integration into control panels.

Does the relay have any visual indicators for operation status?

Yes, the relay is equipped with LEDs that provide visual indication of its operational status and any fault conditions.

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Part conditions explained

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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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