Jung binary input 8-way KNX REG 2128REG

• Division units: 4
• Nominal voltage KNX: DC 21-32 V SELV
• Nominal voltage: AC/DC 12-48 V
• 8 inputs 12-48 V AC/DC
• Functions: switching, dimming, blinds up/down, brightness values, temperatures, calling up and saving light scenes

• Divider units: 4
• Rated voltage KNX: DC 21 ... 32 V SELV
• KNX power consumption: max. 350 mW
• Standby: max. 200 mW
• KNX connection: connection terminal
• Ambient temperature: -5 ... +45°C
• Inputs
• Rated voltage: AC/DC 12 ... 48 V
• Signal level "0"-Signal: AC/DC -48 ... +2 V
• Signal level "1"-Signal: AC/DC 8 ... 48 V
• Input current at nominal voltage
• Input current: 2 mA
• Signal duration: min. 30 ms
• Nominal frequency AC signal: 30 ... 60 Hz
• Number of contacts per input:
- NO contacts: unlimited
- Normally closed contacts: max. 20
• Output voltage: DC 24 V SELV
• Installation width: 72 mm (4 HP)
• Standby power: max. 200 mW
• Power loss: max. 1 W
• Connection:
- Connection type: screw terminals
- Single-wire: 1 x 0.2 ... 4 mm²
- Flexible without ferrule: 1 x 0.34 ... 4 mm²
- Fine stranded with ferrule: 1 x 0.14 ... 2.5 mm²
• Cable length: max. 100 m
• Auxiliary voltage output 24V DC (SELV) for monitoring potential-free contacts
• Monitoring of conventional Switches or push-button contacts, window contacts etc. in KNX systems for Detectors of statuses, meter readings, operation of loads etc.
• Status LED for each input
• Recognises voltage levels and changes at the input
• Transmission of the input status to the bus
• Transmission behaviour freely adjustable
• Inputs can be blocked separately
• Connection of external AC and DC voltages possible
• Auxiliary voltage output for monitoring potential-free contacts
• No separate power supply required
• Separate reference potentials for inputs
• Pulse counting (from firmware version V02), also suitable for S0 pulses