128 SWITCHES PRESSURE SETTING When setting XMP pressure switches, adjust the switching point on starting (PH) first and then the switching point on cut-off (PB). Switching point on starting The switching point on starting (PH) is set by adjusting the screw-nut 1. Tighten either the nut 1 to increase the high point switching value. Switching point on cut-off The switching point on cut-off is set by adjusting screw-nut 2. Tighten nut 2 to reduce the low point switching value (increase in differential). TECHNICAL FEATURES Cover polyamide impregnated with fibreglass Component materials in contact with fluid chromated zinc alloy (fluid entry), canvas covered nitrile (diaphragm) Fluids controlled Fresh water (0... + 70°C) Air (only series XMP E and XMP R) Electrical connection 2 entries for Pg 13,5 cable gland (supplied separately see pag. 121) Type of contacts 2 NC (PH1) or 3 NC (PH3) XMP A - Standard version with bare cover CODE PH Setting range [bar] Factory setting [bar] CONN Cable glands Protection degree Single box Multiple box (10 pcs) TS XMP A06B 2131 TS XMP A06B 2131C 1 1 - 6 2,8 - 4,8 1/4"F not included IP54 - TS XMP A06B 2141C205 1 1 - 6 1,4 - 2,8 1/4"F included IP54 - TS XMP A06B 2133NS1 1 1 - 6 1,4 - 2,8 1/4"F not included IP65 TS XMP A12B 2131 TS XMP A12B 2131C 1 1,3 - 12 5 - 8 1/4"F not included IP54 TS XMP A25B 2131 - 1 3,5 - 25 10 - 16 1/4"F not included IP54 TS XMP A06C 2131 TS XMP A06C 2131C 3 1 - 6 2,8 - 4,8 1/4"F not included IP54 TS XMP A06C 2242 - 3 1 - 6 2,8 - 4,8 3/8"F included IP54 TS XMP A12C 2131 TS XMP A12C 2131C 3 1,3 - 12 5 - 8 1/4"F not included IP54 TS XMP A12C 2242 - 3 1,3 - 12 5 - 8 3/8"F included IP54
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