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{"title":"US\/U 4.2 ABB Universal Interface 4-Fold Binary Input for Scanning Voltage","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/7b\/03ec0ed101042dc41438407f6537-200x200-1\/us_2fu_4_2_abb_universal_interface_4_fold_binary_input_for_scanning_voltage_floating_contacts_knx.jpg","attrs":{"Model Number":"US\/U 4.2","Payment Terms":"T\/T,Western Union","Communication":"KNX bus system","Packaging Details":"Original Case"}}
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The 5WG12621DB31 (N 262 D31) is a KNX binary input module providing four potential-free (dry contact) input channels for integrating conventional volt-free contacts into a KNX building automation system. Each channel independently processes signals from push buttons, window/door contacts, motion detector relays, or any potential-free switch, converting them to KNX bus telegrams.
DIN-rail mountable in standard distribution panels, the aluminum silver-coloured (D31) housing is robust and suitable for electrical cabinet installation. Programmable via ETS with flexible per-channel function mapping for switching, dimming, shutter, or value sending.
Technical Specifications
Product name
N 262 D31 – Binary Input, 4-fold, potential-free
Protocol
KNX/EIB Twisted Pair (TP)
Bus supply voltage
21–30 V DC (SELV, from KNX bus)
Bus current
≤ 10 mA
Number of inputs
4 binary channels (potential-free / dry contact)
Input type
Volt-free contacts (NO / NC configurable via ETS)
Input contact
Dry contact – no external voltage at input terminals
Functions/channel
Switch, dim, shutter, scene recall, value sending
KNX group objects
Status feedback, short/long press distinction
Mounting
DIN rail (REG), 35 mm standard rail
Module width
Approx. 4 modules (70 mm)
Operating temp.
0°C to +45°C
Protection class
IP 20
Certifications
CE, KNX certified
ETS compatibility
ETS 4.x and above
Finish / color
Aluminum silver – D31
Application Scenarios
The N 262 D31 is suited for DIN-rail installation in electrical distribution panels alongside other KNX actuators and power supplies. Typical use cases include connecting conventional push buttons, rocker switches, magnetic door contacts, window sensors, or relay outputs from third-party systems directly to the KNX bus.
Each input can be independently configured in ETS for short-press, long-press, or toggle operation
Versatile for lighting control, shutter management, HVAC scene selection, and alarm integration
Widely used in commercial offices, hotel rooms, smart homes, and industrial automation panels
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller,Trading Company,Exporter
Year Established:
2019
Total Annual:
800000 USD-1000000
Employee Number:
50~80
Ecer Certification:
Verified Supplier
Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ... Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ...