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Seaward PR33D/PH3 Digital Phasing Unit
  • Seaward PR33D/PH3 Digital Phasing Unit

Seaward PR33D/PH3 Digital Phasing Unit

Seaward authorised distributor and service centre.

Includes: Proving Unit, Battery Charger, 2x Overhead Line Extensions (1.5m), all leads and instructions Supplied with carrying case.

£2,673.00 Save £262.80
Tax excluded
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The Seaward PR33D is a digital HV potential indicator and phasing stick which can be used to indicate the presence of voltage, make voltage measurements and provide a means of phase comparison at the point of paralleling two circuits, without the interposition of voltage transformers or secondary wiring circuits. It is suitable for use on earthed neutral systems up to 33kV.

The LCD display is powered by an integral rechargeable battery and is supplied complete with battery charger and PH3 proving unit in a bespoke carrying case. Conforming to recommended, creepage and safety standards, the Seaward PR33D features high-grade PVC tubing and incorporates totally encapsulated resistor chains.


For use on earthed neutral systems up to 33kV.
Proving unit included.
LCD digital display.
Bent adaptors available for use with switch gear.

Seaward PR33D Specification
Maximum System voltage
33 kV.
Maximum Voltage to earth
19 kV.
Threshold voltage
Measuring Range 0.0 kV-19.0 kV.
Resolution 100 V.
Accuracy +/- 5%.
Sensitivity AC /DC.
Circuit current (IEC 61234-2) 0.9 mA nominal @33 kV.
Dielectric leakage current (IEC 61234-2) 23 uA nominal @ 40 kV.
Length (mm) 600.
Diameter (mm) 25.
Handle length (mm) 235.
Hand guard height (mm) 23.5.
Contact Electrode Type Domed.


Seaward PR33D Datasheet

PDF Specifications of the Seaward PR33D 33kV High Voltage Indicator & Phasing Stick.

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