Shema Mc 31 | 1

It monitors three-phase current and detects earth faults, providing protection for electrical feeders in low to high-voltage systems.

A balanced XLR microphone combiner/splitter used in professional audio setups. shema mc 31 1

In the context of , "31 1" might refer to a specific version or coordinate set for a building schematic . It monitors three-phase current and detects earth faults,

An alarm system component used to detect the state of doors or windows (open/closed). An alarm system component used to detect the

The most common technical reference for "MC 31" is the . This device is widely used in power substations for feeder protection.

Technical documentation for instrumentation boards by Spectrum Instrumentation . MC-31 - IMG STAGELINE

The "shema" for this relay includes 5 output relays (R1 to R5). R1 to R4 are configurable for protection functions, while R5 is typically dedicated to internal fault alarms.