134 SWITCHES PRESSURE CODE PH Setting range [bar] Factory setting [bar] Connection Protection degree Black cover with internal setting screws Transparent cover with external setting screws TS XMX A06L 2135 TS XMA V06L 2135 1 1 - 6 2,8 - 4,8 1/4"F IP54 TS XMX A12L 2135 TS XMA V12L 2135 1 1,3 - 12 5 - 8 1/4"F IP54 TS XMX A25L 2135 TS XMA V25L 2135 1 3,5 - 25 10 - 16 1/4"F IP54 XMX - Black cover with internal setting screws XMA - Transparent cover with external setting screws TECHNICAL FEATURES Cover XMX polycarbonate impregnated with Lexan 500R fibreglass (black) XMA polycarbonate impregnated with Lexan 123 fibreglass (transparent) Component materials in contact with fluid chrome plated zinc alloy (fluid entry), canvas covered nitrile (diaphragm) Location of setting screw XMX internal - only accessible after removing the cover XMA external - accessible without removing the cover Fluids controlled Air, fresh water: 0…+ 70°C for 6 and 25 bar versions 0…+ 55°C for 12 bar version Electrical connection 1 entry for Pg 13,5 cable gland (supplied separately) Type of contacts 1 CO single-pole contact, snap action APPLICATIONS Pressure switch for the protection of water systems (booster sets and fire-fighting systems) and pneumatic systems (control circuits under pressure). SETTING When setting pressure switches XMX or XMA, 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 screw-nut 1. Switching point on cut-off The switching point on cut-off (PB) is set by adjusting screw-nut 2. Series: XMX Series: XMA Standard accessories for XMX and XMA pressure switches Code Description TS DE 9PM 1202 VR Pg 13.5 plastic cable gland - cable Ø 6 - 9 TS XMA ZL001 Fixing bracket
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