3RN1012-1BB00

Siemens 3RN1012-1BB00 available at EU Automation. Get in touch today for a quick price.

Trustpilot stars Based on over 4900 reviews

Full 12-month warranty

Available for dispatch immediately

We deliver worldwide

Get a quick price for 3RN1012-1BB00

Quantity

Adding another part to your enquiry?

For more information on how your data is processed and stored by EU Automation please read our privacy policy.

All orders are subject to product availability. See our T&Cs.

Ask our team

What happens next?

1. Email confirmation

You will get an email confirming that we have received your enquiry.

2. Dedicated Account Manager

One of our team will be in touch to confirm your part(s) specification and condition.

3. Your quote

You will receive a comprehensive quote tailored to your specific needs.

The Siemens 3RN1012-1BB00 is a sophisticated motor protection relay designed to safeguard motors from potential hazards. This compact device is engineered to monitor the temperature of motor windings using PTC thermistors, ensuring that your motor is protected from overheating and other temperature-related issues. With a versatile 24 V ac/dc control supply voltage and a user-friendly LED display, the relay provides clear and immediate status indication.

Featuring both manual and automatic reset functions, as well as remote reset capabilities, the 3RN1012-1BB00 offers flexibility in operation and system integration. The unit includes two change-over contacts, allowing for a variety of wiring configurations to suit different control and alarm requirements.

Constructed with screw-type terminals, the relay ensures a secure and reliable electrical connection, while its screw mount and snap-on mount options provide ease of installation in a range of industrial settings. The relay's compact dimensions, 23 x 91 x 102 mm, make it an ideal choice for space-constrained environments.

The 3RN1012-1BB00 is designed to operate within a broad ambient temperature range of -25 to +60 degrees Celsius, making it suitable for a wide array of operating conditions. Its IP20 protection class signifies that the device is protected against solid objects larger than 12.5 mm, adding to its durability and reliability in industrial applications.

This motor protection relay is a testament to Siemens' commitment to quality and innovation, offering a reliable solution for motor protection that is both effective and easy to use. Whether you're looking to protect a single motor or integrate protection into a larger system, the Siemens 3RN1012-1BB00 is a prudent choice for motor safety and longevity.
Specification Description
Part Number 3RN1012-1BB00
Alternative Part Number 3RN10121BB00
Manufacturer Siemens
Voltage Type AC/DC
Supply Voltage 24 V at 50/60 Hz for AC, 24 V for DC
Number of Measuring Circuits 1
Contacts 1NO (Normally Open) / 1NC (Normally Closed)
Change-over Switches 2 for auxiliary contacts
Measurable Temperature Range 60°C to 180°C
Product Functions Reclosing interlock, Self-reset, Defect storage, External reset
Ambient Operating Temperature -25°C to +60°C
Protection Class IP20
Mounting Type Screw Mount/Snap-On Mount
Connection Type Screw Terminal
Dimensions (W x H x D) 22.5 mm x 102 mm x 91 mm
Display LED
Approvals General Product Approval, EMC, For use in hazardous locations, Various test certificates

What is the purpose of this motor protection relay?

This motor protection relay is designed to safeguard motors from overheating by monitoring the temperature via connected thermistors and providing a switch-off mechanism if a critical temperature is reached.

Can this relay be used with both AC and DC control circuits?

Yes, the relay is suitable for use with 24 V AC/DC control circuits, providing flexibility for integration into various electrical systems.

What are the mounting options for this relay?

The relay offers both screw and snap-on mounting options, allowing for easy installation in a variety of settings.

What type of terminals does this relay have for electrical connections?

It is equipped with screw-type terminals for secure and reliable electrical connections in auxiliary and control current circuits.

What is the ambient temperature range for the operation of this relay?

The relay can operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring performance in a wide range of environmental conditions.

Does this relay have a manual reset function?

Yes, the relay includes a manual reset function, allowing operators to manually reset the device after a trip event.

What is the significance of the LED display on this relay?

The LED display provides a visual indication of the relay's status, which can be helpful for monitoring and diagnostics.

How many auxiliary contacts does this relay have?

The relay has 1 normally open (NO) and 1 normally closed (NC) auxiliary contact for signaling and control purposes.

What is the protection class of this relay?

The relay has a protection class of IP20, indicating a basic level of protection against solid objects.

Can this relay be used for applications requiring reclosing lockout?

Yes, the relay features a reclosing lockout function to prevent automatic restarting of the motor under certain conditions.

  • Monitoring and protection of motors against overheating due to overload or phase failure
  • Integration into motor control systems for process automation in various industries
  • Protection of pumps in water treatment and distribution applications
  • Utilised in HVAC systems to safeguard fan motors
  • Employed in conveyor systems to prevent motor burnout
  • Used in manufacturing plants to monitor the temperature of machinery
  • Implementation in packaging equipment to ensure motor safety
  • Application in material handling systems to detect abnormal motor temperatures
  • Installation in agricultural machinery to protect motors from overheating
  • Utilised in plastic and rubber processing equipment for motor temperature monitoring

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

Delivery

  • Logistic partners UPS, FedEx and DHL
  • International delivery available
  • Premium nine hour delivery service available to anywhere in Europe
  • Same day dispatch from group stock

Warranty

All parts new or reconditioned are covered by EU Automation 12 month warranty

Returns

No hassle returns policy

Dedicated customer support team

Trade Credit

We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.

Payment options

We accept Bank transfers and the following methods of payment:

All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.

Services

Sourcing your part

Global supplier of quality automation and control components

Service Exchange

Dispose of your old unit by exchanging it for a working part.

Repair

A comprehensive repair service for faulty equipment.

Customer reviews

5 out of 5 stars steve

Got hold of Sime for a Carrier card for…


Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime

3 months ago

5 out of 5 stars Daniel

Excellent customer service...


Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.

5 months ago

5 out of 5 stars Jerry Schrink

Tom Higgins provided amazing service


Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!

5 months ago

5 out of 5 stars Paulo Pereira

Excellent service and communication…


Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!

5 months ago

5 out of 5 stars Gary

Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

5 months ago

5 out of 5 stars Lessle Smith

Thomas Higgins has gone above and…


Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!

6 months ago

Factory worker carrying automation parts box.

Be a Factory Hero.

Get parts fast.

You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.

Be a Factory Hero

FAQs

View all FAQs

We're here when you need us