MTN644792 Schneider Binary input REG-K/8×24 Introduction：
The binary input REG-K/8×24 is used to connect four conventional 24 V devices (such as door and window contacts) to the KNX bus.
The binary input has a bus coupler. It is installed on a DIN rail acc. to EN 60715, with the bus connection made via a bus connecting terminal. A data rail is not required.
MTN644792 KNX Blind Extension Specifications：
Version : light grey
Art. no : MTN644792
Range of product : KNX
Supply from KNX: DC 24 V / max.18 mA
Insulation voltage: AC 4 kV bus/inputs
Inputs
Nominal voltage: AC/DC 24 V
0 signal: < 5 V
1 signal: > 11 V
Nominal current: DC approx. 15 mA (30 V), AC approx. 6 mA (27 V)
Permitted cable
length: max. 100 m/channel
Ambient temperature
Operation: -5 °C to +45 °C
Storage: -25 °C to +55 °C
Transport: -25 °C to +70 °C
Max. humidity: 93 % relative humidity, no moisture condensation
Environment: The device is designed for use at a height of up to 2000 m above sea level (MSL).
Connections：
Inputs, outputs: Screw terminals
Single-core: 1.5 mm² to 2.5 mm²
Finely stranded (with core end sleeve): 1.5 mm² to 2.5 mm²
KNX: Bus connecting terminal
Dimensions
Height x width x depth: 90 x 72 x 65 mm
Device width: 4 modules = approx. 72 mm
