Data Sheet

E
Accessories for 72.01 and 72.11
072.11
Floor water sensor, designed for the detection and reporting of the presence of floor surface water. 072.11
Technical data
Electrode material stainless steel (AISI 301)
Wire capability of terminals
Max screw torque Nm 0.8
Max. wire size solid cable stranded cable
mm
2
1x6 / 2x6 1x6 / 2x4
AWG 1x10 / 2x10 1x10 / 2x12
Wire strip length mm 9
Other data
Distance between electrodes and floor mm 1
Floor fixing screw diameter Maximum M5
Maximum cable diameter mm 10
Maximum length of cable connecting sensor to relay m 200 (with capacitance of 100nF/km)
Max. liquid temperature °C +100
Floor surface water sensor for connection to electrode terminals
(B1 and B3) of 72.01 or 72.11 level control relay, set in Emptying
function (ES or E respectively).
For ice bank control in refrigeration systems it is suggested to
use the high sensitivity (5…450)kΩ types - 72.01.8.024.0002 or
72.01.8.230.0002.
Function
Z1, Z2 only for types 72.11
072.51
Electrode holder with two pole connector, one connected directly to the electrode and the
second connected to the grounded installation thread. Suitable for metal tank with G3/8” linkage.
Electrode not incuded. Order appropriate number of electrodes holders - additional to the relay. 072.51
Technical data
Max liquid temperature °C +100
Max tank pressure bar 12
Cable grip mm Ø≤6
Electrode material stainless steel (AISI304)
12
IV-2018，www.findernet.com
72 SERIES
Monitoring relays
72
SERIES