Appleton GUSC Heavy Duty Tumbler Switches Catalog Page
GUSC Heavy Duty Tumbler Switches
CONTROLS: NEC/CEC EXPLOSIONPROOF CONTROL STATIONS AND SWITCHES
Explosionproof, Dust-Ignitionproof
30 Amp, 600 Vac UNILETS™ for Use with Rigid Metal Conduit and IMC.
NEC/CEC:
Class I, Division 1 and 2, Group D
Class II, Division 1 and 2, Groups E, F, G
Class III
NEMA 7D, 9EFG
Applications
• For heavy-duty usage. Units available for disconnect use up to
20 HP at 600 Vac.
• For controlling motors and other apparatus.
• Connes arcing of switch, if any, to enclosure interior.
• For use in such classied locations as:
— Paint and varnish plants
— Grain elevators
— Coal or grain processing
— Gasoline bulk loading terminals
— Metal nishing areas
Features
• Heavy-duty disconnect use up to 600 Vac.
• Compact design permits use in cramped quarters as on
machinery.
• Threaded cover provides easy access for wiring and
maintenance.
• Provided with mounting lugs.
• Smooth, rounded integral bushing in each hub protects
conductor insulation.
Hub Size (Inches) Switch Switch Rating Catalog Number
2-Pole
3/4
3-Pole
• Accurately tapped, tapered hubs for tight, rigid joints and
ground continuity.
• Threaded stainless steel shaft for operating handle.
• Lockable operating handle.
Standard Materials
• Body: malleable iron
• Cover: copperfree (4/10 of 1% max.) aluminum
Standard Finishes
• Body: triple-coat (1) zinc electroplate, (2) chromate, and
(3) epoxy powder coat
• Cover: natural nish
NEC/CEC Certifications and Compliances
• UL Standard: UL 894
30 Amp, 600 Vac
3 HP, 240 Vac
7-1/2 HP, 480 Vac
10 HP, 600 Vac
30 Amp, 600 Vac
7-1/2 HP, 240 Vac
15 HP, 480 Vac
20 HP, 600 Vac
GUSC75-2
GUSC75-3
Dimensions in Millimeters (Inches)
Front
Dimensions in Millimeters (Inches)
Switch
2- and 3-pole 153.9 (6.06) 143 (5.63) 106.4 (4.19) 100.1 (3.94) 117.6 (4.63)
A B C D E
Side
125
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