Loading
View all 140M IEC Circuit Breakers
Print
QR code
  • alt text
alt text
alt text
140M-C-KN1

Lockable Operating Knob

Serial #:
This product has not been verified. Please {} to confirm authenticity. register your product
Lifecycle status: Discontinued
Rockwell Automation announces that as of December 11, 2023, the Lockable Operating Knob will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date: December 11, 2023 Replacement Category: Engineering Replacement Replacement Product: 140MT-C-KN [https://www.rockwellautomation.com/en-us/products/details.140MT-C-KN.html]
Product at a glance
Replacement Available
Description
140M Accessories - C, RC, D, and F Frames, Lockable Twist Knob, Black
140M-C-KN1

Lockable Operating Knob

Serial #:
This product has not been verified. Please {} to confirm authenticity. register your product
  • alt text
alt text
alt text
Lifecycle status: Discontinued
Rockwell Automation announces that as of December 11, 2023, the Lockable Operating Knob will be discontinued and no longer available for sale. Customers are encouraged to remove references to the affected product(s)
Discontinued Date: December 11, 2023 Replacement Category: Engineering Replacement Replacement Product: 140MT-C-KN [https://www.rockwellautomation.com/en-us/products/details.140MT-C-KN.html]
Product at a glance
Replacement Available
Description
140M Accessories - C, RC, D, and F Frames, Lockable Twist Knob, Black
Multiple countries of origin based on manufacturing location
Lockable Operating Knob
140M-C-KN1
Close
Print
Phone:
Call

Please review your distributor selection

Choose distributor
Copyright ©2026 Rockwell Automation, Inc.
Environmental compliance inquiry
All fields with * are required.