Ambient temperature: -40 - +80°C (NC valve), -40 - +55°C (NO valve). Permissible voltage variation: +10 - -15%, as double frequency coils: ±10%, a.c. coils for 220-230 / 380-400 V: +6 - -15%, as double frequency coils: +6 - -10%. Enclosure: IP 20. DIN plugs: The three pins on the coil can be fitted with spade tabs, 6.3 mm wide (to DIN 46247). The two current carrying pins can also be fitted with spade tabs, 4.8 mm wide. Max. lead cross section: 1.5 mm2. Use of the protective cap supplied will prevent inadvertent contact with live parts. Holding: 10 W/21 VA. Inrush: 44 VA.