The ZTRK 4 transformer terminal blocks with spring cage connection from Phoenix Contact are especially suitable for direct installation on bobbins with integrated mounting plates. Alternatively, the terminal blocks can be snap-mounted onto 2 x 10 or 2 x 35 aluminium transformer rails. The range includes the ZTRK 4 individual terminal blocks which can be snapped together to form multipin blocks, as well as the TTRK 4-PE ground terminal block.
The range of cross-sections of all the variants extends, in accordance with EN 60742, from 0,5 to 4 mm.
The large surface labelling area in the middle of the terminal block is readily accessible and visible. The housings are made of unbreakable polyamide 6.6 of fire safety class V0 according to UL 94.
Tests can be performed conveniently using the standard commercial 2,3 mm test plugs or multipin test adapters with preassembled wires.
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