Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Angst+Pfister Sensors and Power
The Angst+Pfister Sensors and Power HY77-9-5155Y is a through-hole part featuring a nominal measuring current of 600 A and a maximum measuring current of 720 A, with exact values detailed on the data sheet. This component operates with a 1 percent error margin, incorporates 120 windings, and features a 39.6 mm opening dimension with screw mount installation. Request a quote by submitting your exact part number, quantity, and application requirements today.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Angst+Pfister Sensors and Power references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Angst+Pfister Sensors and Power HY77-9-5155Y. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.