BLZF and SLZF tension clamp connectors and coupler plugs in B version accept locking blocks, and are offered with accessories that include mounting feet for TS-35, TS-32 and TS-15 rails and strain reliefs. User of BLZF or SLZF B version with mounting feet provides an additional wiring alternative for DIN rail mounting applications. Benefits include space savings and fast multi-pole disconnects. Rated at 300, 10A, the connectors accept wire sizes of 26 to 12 AWG.