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2. OPERATING PRINCIPLE
An electrostatic coating system consists of an electrostatic manual gun, a power supply unit, connecting
air hoses and low voltage electrical link cable.
STD 9 POWER SUPPLY
The STD 9 power supply transfoms the network voltage into an adjustable continuous low voltage by
means of an electronic system.
An electronic regulator built into the power supply unit automatically reduces the intensity and
voltage when the electrode on the spray gun is close to a grounded object (less than 100 mm or 4
inches) thereby preventing any electric discharge.
The power supply unit includes a 3-pin plug and cable assembly so as guarantee a safe
grounded AC input power system. Failure to ground the power supply may result in an
electrical shock hazard.
Interconnect the STD 9 power supply unit with the air pressure network (maximum pressure 6 bar /
87 psi). The STD 9 power supply incorporates a flow switch to ensure gun safety.
FLOW SWITCH :
A flow switch is an electropneumatic device detecting any downstream air consumption so that the
power supply unit provides low voltage to the gun only when the atomizing air flows from the front of
the gun.
KM.3 Ex MANUAL ELECTROSTATIC GUN
The KM.3 Ex manual electrostatic gun is designed to negatively charge the material being sprayed,
so that it is drawn to the positively grounded conductive object being coated.
As a result of the electrostatic charge of the paint particules, a more efficient and uniform application
of the coating material is applied to the front but also on the sides, edges and back of the grounded
workpieces.
KREMLIN REXSON
STD 9 power supply unit
Page 4
KM.3 Ex gun
Manual : 573.149.112
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