EX10-PRM11 EX10-PRM11 Program Storage Module, for EX100, M20, M40, EX250 & EX500 $490.00 | TRPDOX0016N TRPDOX0016N 16 Outputs Transistor, 24 Vdc, 0.5 A/each, NPN. $129.00 | TBU104--S TBU104--S 4 Slot Expansion Card Holder for T1-16S, Holds 4 T1-40 I/O Expansion C $44.00 |