ELT3:3/11 BAR THREE-PHASE PRESSURE SWITCH
Technical Data
Code: ElT-3
Unloader Valve*:Without
Pressure Range:3/11 Bar
Factory Range:5,8/7 Bar
Minimum Differencial:1,2 Bar
Maximum Differencial:3,5 Bar
Net Weight:465 gr
Rated insulation voltage U1:500V
Motor switching capacity (AC3)Ue=400V(3∼)
Electrical life (AC 3) Cycles:200000
Mechanical life Cycles:100000
Max. mechanical cycles -Cycles/h:750
Rated operational current le:16 A
Bursting strength Pz:35 bar
Permissible medium temperature Air:-5....+80 C
Permissible medium temperature Water:80 C
Degree of Protection: IP44
Conductor cross-section 1. Cable 1x/2x:2.5/2.5mm
ATTENTION
Installation and connection by skilled personnel only, after installing accessories, the function of the device must be checked by skilled personnel only
*Check whether the current is switched off then connect the electric connections.
*Don't fasten the set screw for the stopping pressure too much in the direction of (-) because the dip can derail.
*Increasing the stopping pressure also increases the differential (P)
*After checking all setting close the pressure switch its plastic body using two screws that are in the package.
*Do not exceed the specified maximum ratings for voltage, current, pressure and temperature.
*Protect against strong pulsations and liquid pressure surges.
*Avoid extreme pulsations
Pressure setting
After the montage of the pressure switch on your system (compressor, hydro for, etc.) it starts to work in a factory setting.
1. Set the stopping pressure using the stopping pressure setting screw by looking at the manometer until you reach the stopping pressure you need for your system. When the stopping pressure is reached the switch will turn off the current and the system will stop working.
2. Set the working pressure using the working pressure(differential) setting screw by looking at a manometer.
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