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Datasheet generated 2026-10-07
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Safety Terminal 4-Channel (mt/S4.12.2M)

ABB · Electrical Components · Terminal Blocks · Switzerland · abb.com
Part Number
MT/S4.12.2M  ·  HS 8538.90
Safety Terminal 4-Channel (mt/S4.12.2M)

ABB MT/S4.12.2M — used for the monitored connection of sensors from security technology (e.g. magnetic contacts or glass-breakage sensors) to the ABB i-bus® KNX. The device has four inputs (”zones“) available and can be used as a stand-alone security system or in combination with the security module or intrusion alarm panel with KNX interface. 12 V DC SELV power supply required, e.g. NTU/S 12.2000.1. Typical applications are door and window surveillance, glas-breakage detection as well as area surveillance.

Technical Specifications

Manufacturer part number (MPN)MT/S4.12.2M
EAN / GTIN4016779711876
Sales unitpcs
Instructions and Manuals2CDG941072P0002
Wiring Diagram2CDC072239F0009
Mounting TypeDIN-Rail
Degree of ProtectionIP20
Data Sheet
Technical Information2CDC513045D0101; 2CDC513043D0201, 2CDC513045D0201
Number of Outputs3
Number of InputsAnalog (0 ... 10 V / 4 ... 20 mA) 4
Number of Input Channels4
Compatible Bus SystemsKNX (TP)
Product RangeKNX
Sensor TypeSignalling Group Terminal
Manual OperationYes
Number of Batteries0
Auxiliary Voltage AC/DC12 V DC
Output Voltage (U out )12 V DC
Maximum Switching Current0.6 A
Power Loss0.9 W; Total 1 W
Colorlight grey
Width in Number of Modular Spacings4
Product Net Width72 mm
Product Net Height90 mm
Product Net Depth / Length64.5 mm
Dimension Diagram2CDC072033F0015
EPLAN Data9AAC189211_EPLAN
Declaration of Conformity - CE2CDK513011D2701
Declaration of Conformity - UK-PSTI9AKK108464A0716
EU Data Act Compliance Declaration9AKK108470A9399
EU Data Act Applicability and ComplianceApplicable - Compliant
ETIM 9EC001100 - Sensor control for bus system
eClassV11.0 : 27143130
UNSPSC39121801
Object Classification CodeA
Mounting methodDRA (DIN-rail adaptor)
ModelSignalling group terminal
Bus system KNXYes
Bus system radio frequencyNo
Bus system PowernetNo
Other bus systemsNone
Bus system LONNo
Bus system KNX-RF (Radio Frequency)No
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents