1771-A3B by Allen Bradley ALLEN BRADLEY 12 SLOT I/O CHASSIS SERIES B 5 VOLT BACKPLANE 24 AMPS AT 5.25 VDC MAX BACKPLANE MEMORY LINE 0.5 AMPS AT 5.25 VDC MAX. CAT# 1771-A3B Reconditioned New Surplus Make an Offer Send to a Friend WHSE Code: M9C1 Return To Misc Electrical Components and Parts