The EWDR 72 has been designed specifically to be used as defrost timer in refrigeration systems.

• Housing material: self-extinguish ABS plastic
• Dimensions: 4-module DIN, 70x85 mm front
• Mounting: on DIN-rail (omega 3) or wallmount
• Connections: terminal block for max 2.5 mm2 wiring
• Defrost frequency: from 2 to 30 hours, in 2-hour increments
• Length of defrost: from 1 to 60 minutes
• Klixon-type input: terminals for remote klixon signal (for temperature termination)
• Manual defrost: push-button provided
• Defrost output: SPDT relay 8(3)A 250V AC
• Fan delayed start: adjustable between 1 and 10 minutes
• Fan control output: SPDT relay 8(3)A 250V AC
• Power absorption: 160 mA max
• Power supply: 220/110 Vac, 50/60 Hz or 12 Vac/dc. Others on request