200 volts
IDEAL Electrical 61-796 Earth Ground Resistance Tester, 3-Pole, Carrying Case In
You will find that BHC Parts makes maintenance easier with their ready-to-install kits.
Instron A440 83C 15 hp Power Supply Unit A440-83C – Hydraulic Power Packs
A nice touch with Isoflex NBU 15 is the clear technical data on the label.