Underwater Connectors Micro Circular - 21 Contacts · Voltage rating 300 V DC/AC rms MCIL21M MCIL21M. MCBH21F. MCBH21M. MCOM21F. MCOM21M. MCDC21F. MCDC21M. DLSB-F. DLSB-M. MCPBOF21F. MCPBOF21M allows for smaller through ports in a pressure vessel and a greater density of conductors in a compact area.This connector is wet-mateable therefore enabling connections to be made underwater, on-deck or in any weather condition. Mates with: MCIL6F and MCBH6F Dummy Connector Mate: MCDC6F Applications: Underwater camera and lights (video system) Diver communications ROV systems Submersibles Towed-array cable systems Current meters Animal migration research Food processing equipment