BlockMaster Electronics announced the expansion of their high power line of thru-panel terminal blocks with the addition of the Series OTB-388 with a terminal pitch of 21 mm and Series OTB-488 at a 27 mm terminal pitch. Both of these carry a current capacity rating of 100A at 600V. The two series are designed for motor control, gen set, electric heating, spa controls, electrical switch gear and off the road vehicle applications where the Thru-Panel construction allows for the interfacing of internal and external wiring in those and other industrial usages. Both series are offered in 2 to 15 terminal positions accepting wire ranges of 2 to 8 and 2 to 10 AWG CU respectively. They have an operating temperature range of from –40°C to +90°C, with housing of a Polycarbonate (UL94V-0) with black as the standard color. Terminals are brass nickel plate furnished with M6 steel nickel-plated screws installed. Each series is supplied with plastic snap-on covers for finger safety, with number strips additionally supplied with the OTB-488 units. Both series are UL approved and RoHS compliant. Current pricing for a three position OTB-388 unit is quoted at $9.00 each in lots of 500 pieces.