Description
Appleton® Selector Switch Control Station, 1-Gang 4-Circuit Dead-End, Series: EFD, 8NO-4NC Contact Configuration, 10 A at 600 VAC Contact, Maintained Operator, Legend: Auto/Hand/Off, Knob Actuator, 1/2 in Hub Connection, NEMA 3/7CD/9EFG NEMA Rating, Malleable Iron, Electro-Zinc Plated/Chromate/Epoxy Powder Coated
Features:
- Constructional feature explosionproof and dust-ignitionproof
- Factory sealed eliminates the need for adding sealing fittings and compound at each conduit entrance
- The devices are enclosed in separate sealing chamber that has smooth, double flanges that mate both to the cover and mounting enclosure to provide flame-tight joints
- EFD factory sealed selector switches furnished with nylon cam-operated, heavy duty pushbuttons for either 2-position or 3-position maintained contact operation
- They offer high thermal and arc resistance, high dielectric strength
- EFD/EFDB momentary pushbuttons are supplied with lockout type guards as standard
- A hole in the guard will accept locks with up to 1/4 in hasp, permits locking of pushbutton to prevent unauthorized operation
- EFD/EFDB backbox supplied with internal ground screw
- Accurately tapped, tapered hubs for tight, rigid joints and ground continuity, smooth, rounded integral bushing in each hub protects conductor insulation
- Corrosion resistant captive stainless steel hex head cap screws hold covers to body
- Stainless steel pushbutton shaft operates within stainless steel bushing assuring long, maintece free operation
- Push button 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
- Clearly marked terminals with brass screws assure quick, easy wiring
- Pigtail leads from pushbuttons are factory sealed in sealing well
- 3 positions
Applications:
Ideal for installation in chemical and petrochemical plants, refineries and other process industries, hazardous locations
Standards/Approval:
- cULus E10449/E81751
- NEC/CEC Class I Division 1 Group C D/Class I Division 2 Group B C D/Class II Division 1 and 2 Group E F G/Class III
- UL 508/698/1203
Warranty:
1 Year Limited
