SRBP solder lacquered . Epoxy fibre-glass FR4 1.5mm, hot air levelling (HAL-leadfree). 2 potential strips. Stk nos. 528-0419 & 359-4019 2x9-channel and 2x15-channel. Stk nos. 528-0425 & 359-4047 2x25-channel. Connector type D-Sub DIN 41652. Single sided.