40949A Snap Switch for Clarke / Nilfisk Advance Floor Machines

Replacement 56386577 SPST N.O. snap switch for select Clarke and Nilfisk Advance swing machines, floor buffers, and floor machines. This switch is commonly located in the handle assembly and is activated when the handle triggers are pressed.

When the operator presses the handle triggers, the switch closes the circuit and allows power to turn the machine on. A worn or faulty switch may cause the machine not to start, cut in and out, or fail to respond when the triggers are squeezed.

Part Numbers

• Current / Replacement Part Number: 56386577
• Replaces / Cross Reference: 56201034
• Replaces / Cross Reference: 40949A

Product Details

• Type: SPST N.O. Snap Switch
• Function: Handle trigger power switch
• Common Location: Handle assembly / handle system
• Used to turn machine on when handle triggers are pressed
• Sold individually

May Fit These Models

• Whirlamatic 20 Ultra
• Whirlamatic 20 Plus
• SD 4317
• SD 5120
• SD 17
• SD 20
• Shadow 17
• Shadow 20
• Shadow 17 TS
• Shadow 20 TS
• Spin 17 Floor Machine
• Spin 20 Floor Machine
• Twin-Spin 17
• Twin-Spin 20
• DuraGloss 2000
• SelectGloss 1500
• SelectLine 13
• SelectLine 17
• SelectLine 17HD
• SelectLine 20
• SelectLine 20HD
• SelectLine 17TS
• SelectLine 20TS
• ECFM 17
• ECFM 20
• Advolution 20
• Advolution 20XP
• FM810 ST
• FM810 XP
• FM40 LX
• FM40 ST
• Pacesetter 13
• Pacesetter 17
• Pacesetter 17HD
• Pacesetter 20
• Pacesetter 20HD
• Pacesetter 20SD
• Pacesetter 20TS
• ECB-1500
• ECB-2000
• 2015HD
• Dayton 1715HD / 2015HD
• FM800 REV
• BOS-18 Low Speed
• DFM40

Fitment Note

This part fits select models and serial-number ranges. Please verify part number 56386577, 56201034, or 40949A in your parts manual before ordering. Fitment may vary by machine model, voltage, and serial number.