1. Product Overview & Core Positioning

First critical clarification: ABB LXN1604-6, factory part number 3BHL000986P7000, is not an independent Ethernet switch, but a high-reliability DIN rail industrial power supply with built-in RJ45 monitoring communication ports, customized for ABB commercial building automation control network systems. The dual RJ45 interfaces on the casing are used to upload power operating data to building management BMS platforms via Modbus TCP/RTU, not data switching ports for inter-device communication.
This power unit is part of ABB Convert Select series, jointly developed with Bel Power, serving as the core stable power backbone for full-set building automation equipment including HVAC controllers, BACnet field communication modules, VAV terminal control boards, fire linkage I/O modules, industrial Ethernet switches and touchscreen operation panels inside building control cabinets. It adopts fanless natural convection cooling, anti-vibration reinforced metal housing, >90% high energy conversion efficiency, dual AC/ultra-wide DC input architecture, perfectly matching large shopping malls, office buildings, data centers, hospital intelligent building control network power distribution demands. Compared with ordinary civil power adapters, it meets industrial EMC anti-interference standards, avoids communication packet loss, signal drift and controller restart caused by grid fluctuation in complex building electrical environments, ensuring 24/7 uninterrupted operation of building automation control networks.

2. Complete Technical Specifications for Building Automation Scenarios

2.1 Electrical Input & Output Parameters

• AC universal input: 85–264VAC 50/60Hz, auto-adapt to global commercial building mains without voltage shift
• DC backup wide input: 90–350VDC, compatible with building UPS battery backup power, emergency fire control DC power supply
• Active PFC circuit, full-load power factor ≥0.95, reduces building power grid harmonic pollution, meets green building energy assessment standards
• Stabilized output: 24.7VDC, rated current 6.67A, total power 160W, voltage precision ±1%
• Conversion efficiency: ≥90% across 50%–100% load; standby power consumption less than 1.5W, effectively cut idle energy waste of building control rooms
• Output ripple noise ≤100mVp-p, low-noise power delivery to protect BMS communication modules from signal distortion
• Overload performance: 120% load continuous stable operation; 200% short-circuit withstand for 1 second to buffer sudden equipment short circuit

2.2 Mechanical & Environmental Indexes Suitable for Building Cabinets

• Installation: Standard 35mm DIN rail snap mounting, reinforced anti-loosening locking buckle to avoid loosening from building ventilation fan vibration
• Dimension: 194(L) × 113.6(W) × 138(H) mm; net weight ~2.96kg thickened metal heat dissipation shell
• Operating temperature: -25℃ ~ +70℃, adapts to basement equipment room low temperature and machine room high heat environment
• Humidity range: 5%–95% non-condensing, IP20 indoor cabinet protection grade, dust-proof for long-term building operation
• Vibration compliance: IEC60068-2-6 anti-vibration standard, stable running near HVAC fans and water pump equipment
• Insulation strength: 2.5kV DC isolation between power loop and monitoring signal loop, isolate strong current interference of building lighting and power distribution circuits
• Reliability: MTBF ≥50,000 hours; certified CE, UL508, cULus, IEC61010-1 industrial safety standards

2.3 Full Safety Protection System

Integrated six-layer comprehensive protection circuit tailored for building automation safety requirements: OVP overvoltage protection, OCP overcurrent protection, short-circuit automatic lockout, OTP overheating thermal shutdown, input undervoltage lockout, DC reverse connection anti-damage protection. Once grid surge, load short circuit or abnormal temperature occurs, the module instantly cuts output to avoid mass burnout of BMS controllers, fire linkage modules and Ethernet switches, preventing building intelligent system paralysis.

2.4 Building BMS Monitoring Communication Function

Dual RJ45 monitoring ports reserved on panel, support Modbus RTU/TCP industrial protocols. It can upload real-time input voltage, output load current, internal temperature and fault alarm codes to ABB INTEGRA building automation BMS host, realize remote power health monitoring, abnormal power early warning and historical fault record query in the central control room. Facility managers can view power operating status without entering equipment rooms, greatly improving intelligent operation and maintenance efficiency of commercial buildings.

3. Core Advantages for Building Automation Control Network

1. High efficiency energy saving matching green building standards Conversion efficiency exceeds 90%, low standby power loss, reduces long-term power consumption of building control cabinets, helps commercial buildings obtain energy-saving certification and lower comprehensive operation electricity cost. Fanless design eliminates fan power consumption and periodic replacement maintenance work.
2. Wide dual input supports building emergency backup power Compatible with commercial mains and UPS emergency DC dual input, when city power fails, seamlessly switch to building battery backup power, ensure HVAC, fire linkage and monitoring Ethernet network continuous operation without system crash.
3. Strong anti-interference for complex building electrical environment Multi-layer internal electromagnetic shielding suppresses interference from building lighting circuits, air conditioning compressors and water pump frequency converters, solve common problems of BACnet communication disconnection and sensor signal drift in traditional power supplies.
4. N+1 redundant parallel architecture for key building control nodes Multiple LXN1604-6 modules can be connected in parallel to build redundant power supply system for core building control cabinets such as data center, hospital operating room and fire control room, eliminate single-point power failure risk of critical automation network.
5. Compact DIN rail layout saves cabinet space Standard modular installation, neat wiring inside building control cabinet, plug-and-play hot-swap maintenance; single faulty module replacement without cutting off whole cabinet power, avoid interruption of building air conditioning, monitoring and safety linkage system.

4. Main Building Automation Application Scenarios

1. ABB INTEGRA BMS intelligent building control cabinet: Power supply for FBXi series BACnet HVAC controllers, VAV terminal control modules, temperature and humidity sensors
2. Building central monitoring network cabinet: Stable power for industrial Ethernet switches, HMI touch screens, data acquisition gateways
3. Hospital & data center control equipment room: Redundant power supply for precision air conditioner linkage control system, fire smoke exhaust interlock I/O modules
4. Large commercial complex & office building: Shopping mall lighting intelligent control cabinet, underground parking ventilation fan automation panel
5. Hotel intelligent management system: Guest room air conditioning, elevator linkage and public area monitoring control cabinet auxiliary power
6. School, stadium public building automation renovation: Replace old low-efficiency power supplies for energy-saving upgrading of building control network

5. Global B2B Sales Highlights & Short Listing Copy

This LXN1604-6 3BHL000986P7000 is original ABB genuine industrial power module, all units pass factory aging and vibration test before delivery. Stable spot inventory supports global fast air & sea logistics, standard 12-month global manufacturer warranty. Complete supporting documents include official datasheets, DIN rail installation wiring diagrams and ABB building BMS integration configuration manuals, the preferred power matching spare part for new intelligent building projects, old building automation renovation and global ABB building system maintenance stocking.

Cross-Border Short Product Listing Copy

ABB LXN1604-6 3BHL000986P7000 DIN Rail High Efficiency Power Module specially designed for ABB Building Automation BMS Control Network System. Wide AC 85–264V / DC 90–350V dual input, 24VDC 160W stable output with ≥90% energy-saving efficiency, fanless vibration resistant structure, full multi-circuit safety protection, built-in Modbus TCP RJ45 monitoring ports for BMS remote diagnosis. Perfectly supply power to HVAC BACnet controllers, industrial Ethernet switches and fire linkage I/O modules in commercial buildings, hospitals, data centers and shopping malls. Original quality in stock, fast global delivery, 12-month quality warranty.