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 HY77-9-6555Y is a through-hole case type current sensor featuring a nominal measuring current of 1000 A and a maximum measuring current of 1200 A, with precise limits detailed in the data sheet. This component operates with an error rate of 1 percent and includes 200 windings alongside a 39.6 mm opening dimension. Designed for screw mount installation, it accommodates specific integration requirements. Submit your exact part number, quantity, and application requirements to request a quote.
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Verified configuration
Identification and family-level technical context are preserved from reviewed source evidence and official English-language manufacturer documentation.
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 HY77-9-6555Y. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.