technical data Manufacturer Crouzet Type 83.139.1 Operation switching element Double Pole Double Throw Type of protection II 2G Ex d IIC T6 (according to EN 60079) PTB 02 ATEX 1150 Switching loads 4 A, 230 V ~ Contacts silver-nickel Mechanical life 5 x 106 switching cycle Temperature range -20 ... +60 °C Switching precision 1,5° Protection class (according to DIN EN 60529) IP 65 Housing IP 67 Microswitches Housing base Vestamid (black) Aluminium Housing cover Vestamid (black) Sealing EPDM Connection Cable gland M20x1,5 (protection class: EEx e II) Solenoid connection (optional) Cable gland M12x1,5