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 HY77-9-5705Y features a through-hole case type with an opening dimension of 39.6 mm and a screw mount configuration. This component offers a nominal measuring current of 250 A, a maximum measuring current of 300 A (consult data sheet for exact value), an error rating of 1 percent, and 50 windings. Submit the exact part number, quantity, and application requirements to request a quote.
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 HY77-9-5705Y. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.