UH6937 Frequency Monitoring Safety Relay Module Datasheet

This document provides specifications, selection chart, and safety data for the Dold UH6937 series frequency monitoring safety relay modules, which monitor inverter output frequency or slip-ring motor rotor frequency. It includes details on input/output specifications, agency approvals, dimensions, and application examples for single-phase and three-phase systems up to SIL3, Performance Level e, Category 4.