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16 inputs (DC 24 V) Digital Input Module for S7-300 - 700-321-1BH02
$ 152.00
16 outputs (DC 24V, 0.5A) Digital Output Module for S7-300 - 700-322-1BH01
$ 208.00
32 inputs (DC 24 V) Digital Input Module for S7-300 - 700-321-1BL00
$ 309.00
32 outputs (DC 24V, 0.5A) Digital Output Module for S7-300 - 700-322-1BL00
$ 417.00
Front Connector 20 pin for S7-300 Modules - 700-392-1AJ10
$ 30.00
Front Connector 40 pin for S7-300 Modules - 700-392-1AM01
$ 49.00
Mounting rail for S7-300 series, 482mm - 700-390-1AE80
$ 37.00