Siemens

3KF4340-4RF11

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: October 15 2026
WM66-3K Enquire now £295.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM71-3K Enquire now £313.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM94-3K Enquire now £323.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM92-3K Enquire now £326.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 23 2026
WM97-3K Enquire now £358.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 08 2026
WM85-3K Enquire now £365.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: September 21 2026
WM59-3K Enquire now - Get Quote
New Sealed
Full 24 months warranty
Est. shipping: September 21 2026
WM44-3K 10+ in stock - Get Quote
New
Full 12 months warranty
Est. shipping: September 21 2026
WM44-3K Enquire now - Get Quote
Used
Full 12 months warranty
Est. shipping: September 21 2026
WM44-3K Enquire now - Get Quote
Buying more than one? Get Quote
Part Description:
switch disconnector with fuse 400 A, frame size 4, 3-pole for LV HRC fuse size 1 and 2 lateral operating mechanism rig basic unit without handle flat connector without fuses
Part Information:
Part Number:
3KF4340-4RF11
Manufacturer:
Availability:
10+ 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:
4050172
Shipping:
We deliver worldwide
Weight:
7.75kg
Dimensions:
450mm x 275mm x 255mm
Also Known As:
3KF4340_4RF11, 3KF43404RF11, 3KF4340/4RF11, 3KF4340-4RF11
Our Warehouse Description:

The 3KF4340-4RF11 is a Siemens switch disconnector with fuse, designed for a 400A current rating. It features a size 4, 3-pole configuration compatible with LV HRC fuses of sizes 1 and 2. The device includes a side operating mechanism positioned on the right and is a basic unit without a handle flat terminal. It is part of the SENTRON series of switch disconnectors with fuses.

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