This standard defines the characteristics of plugs in the family of bayonet coupling circular connectors,
intended for use in an operating temperature range of - 65 °C to 175 °C or 200 °C continuous.
It applies to models defined in Table 2.
For contact, filler plugs and rear accessories associated with this plug see EN 3646-002. For receptacles and
protective covers see EN 3646-003 to EN 3646-007, EN 3646-010 and EN 3646-011 respectively.