The UMK-16 RM230AC/MKDS is a multi-channel relay module from Phoenix Contact, designed for use with 16 plug-in miniature relays or optocouplers. Here are its specifications:

• Connections:
  • Input: Screw connection, 20 positions.
  • Output: Screw connection, 48 positions.
• Electrical Properties:
  • Nominal input voltage: 230 V AC.
  • Input voltage range: 0.4 to 1.1 times the nominal voltage.
  • Maximum switching voltage: 250 V AC/DC.
  • Limiting continuous current: 5 A.
  • Maximum inrush current: 8 A.
• Insulation Characteristics:
  • Rated insulation voltage: 260 V AC.
  • Rated surge voltage: 4 kV (basic insulation), 6 kV (safe isolation).
• Dimensions:
  • Width: 259 mm.
  • Height: 77 mm.
  • Depth: 59 mm.
• Material:
  • Housing color: Green (RAL 6021).