Description
Appleton® Selector Switch Control Station, Feed-Through Explosionproof, Series: EFDB, 600 V AC, 10 A, 1 Operators, 4NO-2NC Contact Configuration, Maintained Contact Mode, Knob Operator, Legend: Auto/Hand/Off, Thread Connection, NEMA 3/7CD/9EFG NEMA Rating, Malleable Iron, Triple Coated
Features:
- Eliminate need for adding sealing fittings and compound at each conduit entrance
- Dozens of possible combinations of push buttons, selector switches and pilot lights
- Smooth, rounded integral bushing in each EFD/EFDB hub protects conductor insulation
- Accurately tapped, tapered hubs for tight, rigid joints and ground continuity
- Stainless steel pushbutton shaft operates within stainless steel bushing assuring long, maintece free operation
- Pushbutton and selector switch contacts are silver cadmium oxide which are sealed in lower phenolic chamber isolated from corrosive elements
- Assures positive contact and long, trouble free operation
- Enclosed stainless steel helper spring prevents accidental operation of pushbutton in severe vibration installations
- Pushbutton models also available with dust cap for use in areas where excessive dust, moisture or corrosive conditions are encountered
- Factory sealed eliminates need for adding sealing fittings and compound at each conduit entrance
- Switch is enclosed in separate sealing chamber
- Sealing chamber has smooth, double flanges that mate both to cover and mounting enclosure to provide flame-tight joints
Applications:
For hazardous locations
Standards/Approval:
- Class I, Div 1, 2, Groups B, C, D
- Class II, Div 1, 2, Groups E, F, G
- Class III
- UL 508/698/1203
