0 µA usually indicates a failing sensor

Is the 10M74 a manual or automatic reset switch

ensure the DP2030B1003 integrates seamlessly into existing systems

and unit heater series

Mounting Versatility: Dual hub and foot-mount options for quick installation in field junctions or equipment panels

Ecobee EB-PS-01 Power Supply 0 µA usually indicates aThe Ecobee EB PS 01 Power Supply is a dedicated external 24VAC transformer designed to provide reliable common wire (C wire) power for smart thermostats in systems lacking a built in 24V supply. Engineered to eliminate thermostat power cycling and connectivity issues caused by insufficient voltage, this power adapter ensures a stable 24V AC, 40VA output suitable for the entire Ecobee lineup, including the SmartThermostat with voice control, Ecobee4,