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{"title":"N 263D31 KNX Binary Input Module 4xAC\/DC 10-230V DIN Rail LED Status Display","imgUrl":"https:\/\/img.chinax.com\/nimg\/4c\/56\/a74e8382ad355cb5fab9c505715c-200x200-1\/n_263d31_knx_binary_input_module_4xac_2fdc_10_230v_din_rail_led_status_display_5wg1263_1db31.jpg","attrs":{"Certification":"CE RoHS","Protection":"Electrical isolation between segments","Control Modes":"Automatic KNX sensor linkage","Payment Terms":"T\/T,Western Union"}}
{"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"}}
BE/S4.20.2.1 ABB Binary Input 4-Fold 20V DC with Scanning Voltage for Conventional Contact Integration KNX
Product Overview
The BE/S4.20.2.1 is a high-performance building automation component from the ABB i-bus® ecosystem, engineered to deliver exceptional reliability, data integrity, and operational scalability for modern intelligent infrastructure. As part of the globally recognized Binary Input range, this device represents the integration of advanced engineering standards with high-durability hardware, ensuring seamless coordination of critical building services such as lighting control, HVAC management, and system monitoring.
Designed for modular or decentralized installation, the BE/S4.20.2.1 facilitates professional control architectures that reduce energy overhead and enhance occupant comfort. Built with sustainable, halogen-free materials and future-ready firmware, this device is a foundational building block for high-performance infrastructure projects targeting LEED, WELL, and Green Premium certifications. It is specifically engineered for 24/7 mission-critical operations in high-end commercial office towers, healthcare facilities, and luxury residential estates.
Technical Specifications
Product Model
BE/S4.20.2.1
Product Series
ABB i-bus® Intelligent Systems
Communication Protocols
KNX / BACnet IP / EnOcean
Interface Configuration
4 channels with internal scanning voltage
Power Supply
Bus-powered via KNX line (DC 24-30 V SELV) or external auxiliary supply
Functional Logic
Internal 20V DC supply for inputs, compact MDRC design
Network Topology
Supports standard star, daisy-chain, and branch-based bus architectures
Wiring Interface
Maintenance-free PUSH-IN or industrial screw terminals
CE Marked, RoHS, REACH, KNX Certified, Green Premium, BTL Listed
Application Scenarios
Ideal for residential villas, linking 4 mechanical push-buttons to the KNX bus. It enables smart control via traditional light switches, maintaining architectural aesthetics while providing full automation capability.
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 ...