| ▪ 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 |
| ▪ 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 |
| ▪ Clearly marked terminals with brass screws assure quick, easy wiring |
| ▪ Pigtail leads from pushbuttons are factory sealed in sealing well |
| ▪ (1) 120 VAC 6 W 6S6 red pilot light |
| ▪ Aluminum cover |
| ▪ 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 flanges |
| ▪ EFD/EFDB factory sealed pilot lights are supplied with red jewel/guard assembly and 120 VAC/VDC, 50/60 Hz, 6 W, 6S6 lamp |
| ▪ EFD/EFDB 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 |
| ▪ Heavy duty pushbuttons, 10 A, 600 VAC rated |
| ▪ 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 |
