The FC6814785 from Cliff Electronic Components is a rewirable locking DC power plug with 2.1mm diameter pin for use with locking DC power sockets. Typical applications include signal processors and power supplies.
Maximum contact resistance is 30mohm
Maximum current rating of 2A at 16VDC
Minimum insulation resistance of 100Mohm at 500VDC
Dielectric withstand voltage is 500VAC for 1 minute