carlo gavazzi three phase relay DPB71CM48 Monitoring relay 

Dimensions: 99.5*22.5*83.5 (guide rail installation)

Function, W is powered by L-N

Measurement range: 380-480VAC (M48), 208-240VAC (M23)

Maximum load capacity: 1*SPDT, 5A/250VAC

Maximum load capacity: 5A/24VDC electrical life: more than 1*10000000 times

Supply voltage: 208-480VAC