Pressure switch WIKA data sheet PV 35.01 ■ Protection cap for switch point setting Pressure switch, model PSM-520 The model PSM-520 is used in industrial control, monitoring and alarm applications. The switch point can be specified by the customer on site. The instrument can switch electrical loads of up to AC 230 V, 50/60 Hz, 10 A. The model PSM-520 pressure switch offers many application possibilities with non-corrosive media like oil, water and air. WIKA data sheet PV 35.01 • 03/2020 Page 1 of 5 Data sheets showing similar products: Pressure switch, TPST; model PSM-530; see data sheet PV 35.02 Pressure switch, for superior industrial applications; model PSM-550; see data sheet PV 35.03

1) Switch point and reset point have to be within the setting range 2) The difference between the switch point and the reset point is also known as switch hysteresis Reference conditions Non-repeatability of the switch point < 2 % of span Relative humidity per BS 6134< 50 % r. h. at 40 °C [104 °F]< 90 % r. h. at 20 °C [68 °F] Terminal assignment Electrical rating Current consumption 4) Electrical connection Operating conditions Permissible temperature ranges Ambient: -40 ... +70 °C [-40 ... +158 °F] Medium: -20 ... +100 °C [-4 ... +212 °F] Storage: -20 ... +80 °C [-4 ... +176 °F] Rubber grommet...

Approvals and certificates, see website Mounting option Direct mounting WIKA data sheet PV 35.01 • 03/2020

WIKA data sheet PV 35.01 • 03/2020

Setting rangepsi bar MPa 1) SW = spanner width Model / Setting range / Process connection © 02/2018 WIKA Alexander Wiegand SE & Co. KG, all rights reserved. The specifications given in this document represent the state of engineering at the time of publishing. We reserve the right to make modifications to the specifications and materials. WIKA data sheet PV 35.01 • 03/2020 iWIKAll WIKA Alexander Wiegand SE & Co. KG Alexander-Wiegand-StraBe 30 63911 Klingenberg/Germany Tel. +49 9372 132-0 [email protected] www.wika.de