Hirschmann C16-1 Series or similar connectors offer 4 or 7 way (3 and 6 with plus a P.E. - or pre-engaging - earth contact). The mating parts securely screw together to form environmental protection to IP-67. For further technical information see specifications. A quality industry-standard connector.Features- Electrical: 3 Pole + PE- Contact Resistance: ≤5mohm- Suitable for panel mount.Environmental:- Temperature range: -40°C to + 100°C- Housing: Polyamide 6.6- Strain Relief: Screw clamp/Ring & Gland Nut (9mm)