UL 508 Disconnect Switches


UL 508 Non-Fused Rotary Disconnect Switches — 16 to 80A

Bussmann series UL 508 load break disconnect switches allow safe control and safe disconnection of any motor application or to isolate a circuit within the panel.

These disconnect switches are compact and offer a wide variety of accessories like 4th poles, auxiliary contacts, door mounting and 6-Pole kits.


  • Suitable as motor disconnect
  • DIN-Rail or panel mount
  • Door mount option
  • Disconnect switches are front, right side or direct handle operable
  • Finger-safe

Product profile no.# 10048

Full line catalog no. 1007, Section 11, Disconnect Switches

CAD Drawings (see Drawings and Design Support tab below)

Installation instructions (see Drawings and Design Support tab below)

Frequently Asked Questions (FAQs) no. 10075

6-Pole Conversion Kit Available


Conversion kit gangs together two 3-pole switches of equal rating to create a 6-pole switch. Order part # KIT-6POLE.

Volts 600Vac
Amps 16-80A
Agency Information • UL508, Guide NLRV, File E155129
• CSA C22.2 No. 14, File 257020
• Conforms with IEC 60947-3
Handles • Direct
• Selector
• Auxiliary Contacts
• Terminal Shrouds
• Switched 4th Poles
• 6-Pole Conversion Kit (gangs two 3-pole switches of equal rating)