Megger PSS 750 Phase Selector Switch
Designed to work with the SVERKER 750/780 when testing three-phase relays.
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The Phase Selector Switch PSS750 is specifically designed to work with SVERKER 750/780 when testing three-phase relays. It is connected between SVERKER 750/760 and the relay inputs and allows the user to easily select which phase to test.
The PSS750 handles both the current and voltage sources and single-phase or phase-phase testing can be selected. Together with the output-input switching the unit also contains a variable resistor that can be used together with the built-in capacitor in SVERKER 750/780. This feature gives the user the possibility to create a variable phase shift at a decreased amplitude of the test voltage.
The design is passive which makes it very general. You may for example use any of the inputs for current or voltage as long as you do not exceed the specification.
It is also possible to connect the measuring inputs of the SVERKER 750/780 to the PSS750 and use the switch for selecting measurement signals. The PSS750 simplifies phase switching, selecting type of fault, phase reversing and gives a possibility to create a variable phase shift.
|Max Input Voltage||250 V AC/3 A.|
|Max Input Current||6 A/250 V AC.|
|Max Resistor Loading||200 V AC / 200 mA (0.5 A during 5 seconds).|
|Dimensions||200 x 120 x 85 mm (7.9 x 4.7 x 3.3 inches).|
|Weight||1.3 kg (2.9lbs).|
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