Motor starter RZ03

This protecting and starting switch socket is mainly intended for non-industry customers to install 3-phase motors. Apart from thermal protection, the device is sensitive to phase failures. Damages caused by voltage unbalancing are quire common and the repair costs may be very high. The unit is fitted with On/Off pushbuttons and an easy accessible emergency button what conforms to new safety regulations. In case the unit controls more than one workstation, additional emergency pushbuttons can be fitted.
Thermal ranges of standard assemblies are given in Ordering codes . In individual orders use the thermal relays as shown in the table Types of thermal relays.
Motor starters are compliant with the standard: PN-EN 60439-1.

Rated insulation voltage Ui	500 V
Rated continuous current Iu	max 14/18 A
Rated frequency	50-60 Hz
Rated switching voltage Ue	230/400 V
Rated withstand impulse voltage Uimp	6 kV
Wire gauge	2.5...4 mm²
Degree of protection	IP55
Protection class	II