Control and signaling devices. Modular metal series, particularly robust design in metal. The devices meet the requirements of the standards IEC/EN 60947-5-1, IEC/EN 60073, IEC/EN 60529, UL 508 and CSA C22.2 No. 14 for control and signaling devices. Protection class up to IP66. Operating temperature range: -30° to + 70° Celsius.