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KYZ Pulse Output on a Power Meter

KYZ Pulse Output on a Power Meter

Issue

A specification for a power meter states that it provides KYZ pulse outputs. What is a KYZ pulse output?

Product Line

All Product Lines

Environment

Utility Meter with KYZ pulse outputs

Cause

Some meter specification sheets may state that the device outputs KYZ pulses.

Resolution

KYZ is a designation given to a relay used to create pulses for electrical metering applications. It is commonly a Form C relay (SPDT). The term KYZ refers to the contact designations: K for common, Y for Normally Open, and Z for Normally Closed.

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