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Terminal Block, 55 Amp, 600 Volt AC/DC, White, 10 mmOur & IEC Screw-type Terminal Blocks meet recognized international IEC standards. Our finger-safe blocks are designed for DIN rail mounting. We offer a wide range of high-density IEC block types, from general feed-through for control wiring to specialty blocks for grounding and isolation, plus thermocouple blocks designed for temperature-dependent process control applications.