ABB Ground ZS4 Screw Clamp Terminal Block ABB 1SNK505150R0000 P A snap in rail connection for rapid installation and removal for 4 mm sup2 10 AWG up to 16 mm sup2 4 AWG ground terminal blocks P P Simply snap it on the DIN3 TH35 rail and it is connected to the rail Strict qualification tests in addition to those required in IEC standard 60947 2 have been performed to guarantee the reliability of the snap in rail connection in mechanical endurance and lifetime performance P P The s
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