EU2B pushbuttons, pilot lights, E-stops and selector switches meet ATEX, IEC and new NEC 505 standards for use in hazardous locations.
IDEC Corporation, Sunnyvale, CA , November xx, 2014 – IDEC Corporation releases the EU2B family of safety devices including pushbuttons, pilot lights, E-stops and selector switches. These devices comply with ATEX, C-UL, IEC and the new UL/NEC 505 safety standards for use in hazardous areas. All the devices are fully sealed to prevent the release of sufficient electrical energy to ignite explosive gases or particles into the environment for which they are rated for use.
The switches, lights and pushbuttons meet the following standards for installation and in use in areas with hazardous gases and vapors: ATEX, Category 2G and 3G; C-UL (Canada), Ex de IIB Hazardous Locations (no hydrogen); IEC, Zone 1 and 2; and UL/NEC 505, Zone 1 and 2. This means these devices can be used in areas where flammable gases and vapors are normally present 10-10,000 hours/year or less.
The table below compares the new NEC 505 and the old NEC 500 standards, and shows where these devices can be applied according to each standard:
The safety devices are IP65 rated for protection against water, and are available with exposed or finger-safe IP20 screw terminals.
The EU2B pushbuttons are available in flush, extended and mushroom styles in normally-open and normally-closed configurations, and with contact ratings up to 10A. Pushbutton colors include black, green, red, blue, white and yellow.
Selector switches are available with two or three selector positions, and with contact ratings up to 10A. A key-operated selector switch also is available.
The pilot lights are available in amber, green, pure white, red, blue, white and yellow. Models can operate from a 110Vac, 220Vac or 24Vdc power source.
Emergency stop switches are either push-to-lock or turn-to-reset. The mushroom pushbutton is only available in red. The switches have contact ratings up to 10A.