“Voltage Built-Up Relay ;Type : RM4 – UA33MW
Maker: Schneider Electric
B2-C : 30 – 300V
B3-C : 50 – 500V
(U) A1/A2 : 24-240V ? 50/60Hz;

relay with measurement range 30 V…500 V voltage AC/DC 50/60 Hz.
Zelio Control relay (type: RM22UA33MR- 2pcs) as per Schneider Electric catalogue.” Schneider Electric.