free@home Binary Input, 4-fold, 230 V, MDRC
ABB BI-M-4.0.1

free@home Binary Input, 4-fold, 230 V, MDRC

Product code: 2CDG510004R0011
The device detects AC/DC signals of 10 - 230 V via 4 channels. The information of the signal evaluation can be used for controlling ABB-free@home¨ actuators or for recording status information. The bus can be connected via enclosed terminal block.
Price (Excluding GST)


The devices are binary inputs for decentralised flush-mounted installation and installation on mounting rails. The devices have four channels and serve as interface for the convenient operation of free@home systems via conventional push-buttons or for reading out technical binary signals.

  • Four binary inputs in the one device
  • The support of floating contacts or 230 V~

Technical Details


Power supply: 21 to 23 V DC (via the bus)

Bus subscribers: 1 (5 mA)

Connection (free@home): Bus connection terminal: 0.4 - 0.8 mm

Line type: J-Y(St)Y, 2 x 2 x 0.8 mm

Connecting terminals:

  • Screw-type terminal: 0.2 to 2.5 mm2 fine-wire. 0.2 to 4.0 mm2 single-wire
  • Tightening torque: 0.6 Nm

Ambient temperature:

  • Operation: -5¡C to +45¡C
  • Storage: -25¡C to +55¡C
  • Transport: -25¡C to +70¡C

Environmental conditions: Maximum humidity 93%, no dew permissible

Protection type: IP20. Acc. to DIN EN 60 529

Protection class: II. Acc. to DIN EN 61 140

Insulation category:

  • Over voltage category: III acc. to DIN EN 60 664-1
  • Degree of contamination: 2 acc. to DIN EN 60 664-1

Mounting: On 35 mm mounting rail. Acc. to DIN EN 60 715

Built-in position: Any


  • Rail mounting device (MDRC): Modular installation device, Pro M
  • Installation width: 2 modules a_ 18 mm
  • Installation depth: 64.5 mm
  • Housing, colour: Plastic, basalt grey (RAL 7012)

Dimensions: 36 x 90 x 64.5 mm (W x H x D)

Weight: 0.1 kg

CE marking: According to EMC and low-voltage guidelines



Brand ABB
Technology Free@Home
Mounting DIN Rail
Inputs 4
IP rating IP20
Mounting Width 2MW
brand ABB

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