SH2B-05 - 

Relay and Timer Socket, Dielectric Strength 2000 VAC
Snap-mount sockets are designed to mount on BNDN-1000 mounting rail. The built-in mounting clip eliminates mounting hardware and reduces mounting time by eighty percent. For spacing between adjoining sockets, use SA-406 DIN rail spacer. Spacers : 0.197"" in width. Spacing can be adjusted according to the amount of spacers added. To prevent sideward movement, use BNL-5 end clip at each end of socket row.To Mount: Place socket on mounting rail and press down.To Remove: Pull clip out with screwdriver and lift socket.

Mating Relay Series: RH2B

Hold Down Spring: SY4S-02F1

Hold Down Clip: SFA-101 (top notch), SFA-202 (side notch)
100 Megohms minimum insulation resistance and UL 94V-0 material grade.