Insertion and removal tools Plastic tools for contact insertion and extraction The white end of the tool is used for extraction, and the coloured end is used for insertion. LJT Series professional connectors (HE 308) Robust subminiature connectors designed to meet professional equipment I/O interconnection requirements. LJT connectors ensure safe electrical and mechanical use, in accordance with the MIL-C 38999 Series I (HE 308) standard. Bayonet snap-lock latch. Scoop-proof male contact mechanical protection. The standard rear threading allows cable connectors or cable glands to be fitted, and ensures earthing continuity with the cable braid. Contacts must be crimped with pliers M 22520//1-01 (for sizes 20 and 16) or M 22520//2-01 (sizes 20 and 22D), fitted with the corresponding positioners. Enclosure: Aluminium alloy Locking: Tough bayonet mechanical lock system with three lockwire holes 5 key longitudinal, polarisation guiding Insulator: Neoprene elastomer Contacts: Detachable crimp-type in gold-plated copper alloy Current rating per contact: - size 22:  5A - size 20:  7.5 A - size 16:  13 A Withstand voltage: 1800 V eff between contacts (mated and unmated connectors) Insulation resistance: > 10 5 MΩ under 500 Vdc Operating temperature: –65°C → +175°C