Siemens

3RU2146-4KB0

Image for illustration purposes only.

Siemens

If you're unsure whether this part is a perfect match, please contact us.

Condition Warehouse Stock Price
New Sealed
Full 24 months warranty
Est. shipping: August 31 2026
WM66-3R Enquire now £79.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: July 29 2026
WM22-3R Low stock £137.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: July 31 2026
WM44-3R 10+ in stock - Get Quote
New
Full 12 months warranty
Est. shipping: September 04 2026
WM74-3R Low stock £105.00 Add to Cart
New
Full 12 months warranty
Est. shipping: August 03 2026
WM89-3R 5+ in stock £127.50 Add to Cart
New
Full 12 months warranty
Est. shipping: July 31 2026
WM44-3R 5+ in stock - Get Quote
New
Full 12 months warranty
Est. shipping: August 03 2026
WM59-3R Enquire now - Get Quote
New
Full 12 months warranty
Est. shipping: July 31 2026
WM61-3R 5+ in stock - Get Quote
Used
Full 12 months warranty
Est. shipping: July 31 2026
WM44-3R 5+ in stock - Get Quote
Buying more than one? Get Quote
Part Information:
Part Number:
3RU2146-4KB0
Manufacturer:
Availability:
45+ available from our partners
Conditions:
New Sealed, New and Used
Warranty:
Full 24 months warranty
Full 12 months warranty
Lead Time:
Need it Faster? Please Check With CJS
System ID Number:
4052727
Shipping:
We deliver worldwide
Weight:
0.60kg
Dimensions:
78mm x 113mm x 132mm
Also Known As:
3RU2146_4KB0, 3RU21464KB0, 3RU2146/4KB0, 3RU2146-4KB0
Our Warehouse Description:

The 3RU2146-4KB0 is a thermal overload relay designed for motor protection. It is suitable for mounting onto contactors and features a screw terminal connection for both the main and auxiliary circuits. This overload relay is rated for currents between 57 and 75 A, classified as Size S3 with a Class 10 protection level. It offers automatic reset functionality and is constructed to withstand shock resistance according to IEC 60068-2-27 standards, with a recovery time of approximately 11 ms after overload trip. The device provides surge voltage resistance up to 8 kV for safe isolation in grounded star point networks.

The above description is based on our office/warehouse notes. Some data may be inaccurate - refer to your part number.
Siemens:

Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.

***CJS Automation is NOT an authorised distributor of Siemens***

We are online

Get a Quote

Parts in my quote:
  • (This Page)

What Happens Next?

Email Confirmation

We’ll send you an email confirming that we’ve received your enquiry and are processing your request.

Dedicated Account Manager

A member of our team will be in contact to confirm the part(s), specifications, and condition.

Your Quote

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

Track Your Shipment

You'll receive tracking details once your order ships so you can follow it's progress.

Online Payments Accepted

If you're happy with your quote, you can pay by Bank Transfer or through our secure payment page using any of the following payment methods, just enter your invoice number and follow the on-screen instructions.

VISA
Maestro
Mastercard
Amex
PayPal
Bank Transfer and Invoice