Description
Appleton® Pushbutton Control Station, Feed-Through Explosionproof, Series: EFDB, 600 V AC, 10 A, 1NO-1NC Contact Configuration, Momentary Contact Mode, Front Button Operator, Legend: STOP/START, NEMA 3/7CD/9EFG NEMA Rating, Malleable Iron, Epoxy Powder Coated, 6.31 in H x 3 in W x 5 in D Dimensions
Features:
- Eliminate need for adding sealing fittings and compound at each conduit entrance
- Heavy duty pushbutton
- Dozens of possible combinations of push buttons, pilot lights and selector switches
- 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
- Corrosion resistant captive stainless steel hex head cap screws hold EFKB covers to body
- All EFD/EFDB momentary push buttons are supplied with lockout type guards as standard, hole in guard will accept locks with up to 1/4 in hasp, permits locking of pushbutton to prevent unauthorized operation
- Clearly marked terminals with brass screws assure quick, easy wiring
Applications:
For hazardous location, used in classified areas where flammable vapors, gases or highly combustible dusts are present, installation in chemical and petrochemical plants, refineries and other process industries
Standards/Approval:
- UL 508/698/1203
- UL File No. E10449
- UL File No. E81751
- Class I, Div 1, Groups B, C, D Class I, Div 2, Groups B, C, D Class II, Div 1 and 2, Groups E, F, G Class III
