What does this power connector look like exposed?
They are referred to as "Pluggable Terminal Blocks" and are manufactured by multiple companies

SPC technology, Phoenix connector, CAMDENBOSS, IMO PRECISION CONTROLS, MULTICOMP



http://uk.farnell.com/multicomp/mc000068/terminal-block-pluggable-6pos/dp/2008042


http://uk.farnell.com/multicomp/mc000092/terminal-block-header-6pos-th/dp/2008068?MER=sy-me-pd-mi-acce