1. Basic Product Overview

Model: LXN1604-6, ABB factory part code: 3BHL000986P7000, a professional DIN rail switching power supply customized for ABB full-series industrial automation platforms, co-developed with Bel Power Melcher for System 800xA DCS, AC800M controllers, S800 I/O racks and ABB ACS frequency converter cabinets. Different from common narrow-range industrial power supplies, this unit supports dual AC & ultra-wide DC input (90–350V DC), perfectly matching power plant backup DC battery power, uninterruptible DC bus power and global multi-standard AC grid environments, solving power matching pain points of petrochemical, power generation and metallurgy continuous production lines. The whole machine adopts fully enclosed metal heat dissipation shell, natural convection cooling without built-in fans, eliminating fan failure risks in dusty, high-temperature industrial workshops. Standard 35mm DIN rail quick clamping installation realizes cabinet modular layout, plug-and-play hot-swap maintenance without full-panel power cut, greatly shortening system maintenance downtime for critical process control systems. Rated total output power reaches 160W, stable 24VDC regulated output, specially designed to supply controllers, communication cards, field sensors, relays and industrial Ethernet switches inside automation cabinets, being the core power backbone of ABB automation control networks.

2. Complete Core Technical Specifications

Input Electrical Parameters

1. AC input range: Universal single-phase 85–264VAC, 50/60Hz, auto voltage identification without manual gear shifting, compatible with Asia, Europe, America standard industrial mains;
2. DC wide input range: 90–350VDC, covers all industrial DC backup battery groups, substation control DC power supply, frequency converter intermediate DC bus standby power;
3. Active PFC circuit built-in, full-load power factor ≥0.95, reduces grid harmonic pollution, meets industrial EMC and energy efficiency standards;
4. Max input surge withstand: 3kV differential mode, 4kV common mode, resistant to grid lightning surge and inverter IGBT switching EMI interference.

Output Electrical Parameters

1. Rated output voltage: 24.7VDC stabilized output, voltage accuracy ±1%;
2. Rated output current: 6.67A, total rated power 160W;
3. Overload capacity: Continuous stable operation under 120% load; 200% short-circuit overload withstand for 1 second to buffer sudden load short-circuit impact;
4. Output ripple noise: ≤100mVp-p, low noise design ensures stable operation of precision analog acquisition modules and industrial communication equipment without signal distortion or network packet loss;
5. Conversion efficiency: ≥90% under full load, low standby power consumption, long-term energy saving for unmanned continuous operation stations.

Mechanical & Environmental Indexes

1. Overall dimension: 194mm (Length) × 113.6mm (Width) × 138mm (Height); Net weight approx 2.96kg;
2. Installation: Standard 35mm DIN rail mounting, tool-free spring terminal wiring, anti-loosening under high vibration working conditions;
3. Working temperature: Operating -25℃ ~ +70℃; storage temperature -40℃ ~ +85℃, adapts to outdoor cabinet, high-temperature kiln room and low-temperature northern power plant scenes;
4. Humidity: 5%–95% non-condensing, IP20 cabinet internal protection grade;
5. Insulation strength: 2.8kV DC isolation between power input and signal monitoring circuits, fully isolating strong current and weak signal loops to avoid interference;
6. Reliability index: MTBF ≥50,000 hours under standard industrial environment; certified by CE, UL508, cULus, IEC61010-1 industrial safety standards.

Built-in Protection System

Integrated six-layer full-circuit safety protection mechanism: OVP overvoltage protection, OCP overcurrent protection, short-circuit automatic lockout protection, OTP overheating thermal shutdown, input under-voltage lockout, reverse DC input connection anti-damage protection. Once grid fluctuation, load short circuit or abnormal temperature occurs, the module instantly cuts off output to protect expensive ABB controllers, I/O modules and frequency converter main boards, avoiding large-scale equipment burnout and production halt losses.

Communication Monitoring Function

Dual RJ45 monitoring communication ports are reserved on the housing, supporting Modbus RTU/TCP industrial protocols. Operators can upload real-time data including input voltage, output current, internal temperature, fault codes to ABB System 800xA operation workstation, realizing remote power status early warning, historical fault record query and unattended cabinet power monitoring, greatly improving the intelligent operation and maintenance capability of the whole automation system.

3. Core Product Advantages

First, ultra-wide dual AC/DC input compatibility is its core competitive edge. The 90–350V DC wide input breaks the limitation of ordinary power supplies only supporting narrow DC voltage, directly matching power station 110V/220V control DC system, energy storage backup power and frequency conversion cabinet DC standby power, applicable to multi-scenario mixed power supply architecture without additional voltage conversion modules, reducing cabinet internal wiring and space occupation. Second, high redundant parallel expansion capability. Multiple LXN series power modules can be connected in parallel to build N+1 redundant power supply system for key control stations, completely eliminate single-point power failure risk of process control network, fully meeting the high availability power demand of petrochemical, power plant and pharmaceutical continuous production lines with zero shutdown requirement. Third, strong industrial anti-interference design. Multi-layer internal electromagnetic shielding structure effectively suppresses high-frequency EMI generated by frequency converter IGBT switching, solving the common problems of communication disconnection and signal drift when power supplies work alongside high-power drive units. Fourth, easy maintenance and high compatibility. The whole machine is fully matched with all original ABB automation equipment, direct replacement for old cabinet failed power modules without modifying original wiring; fanless natural heat dissipation design avoids regular fan replacement maintenance, reducing later operation and maintenance costs.

4. Industrial Application Scenarios

1. ABB Ability™ System 800xA DCS control cabinet: Power supply for AC800M safety controllers, S800 analog/digital I/O modules and industrial communication gateways;
2. ABB ACS series frequency converter drive cabinets: Auxiliary power for drive main control boards, encoder signal acquisition boards and cabinet cooling fans;
3. Power industry: Substation automation control cabinet, unit excitation system UNITROL control panel backup power;
4. Heavy process industry: Oil & gas pipeline pump control system, petrochemical refining production line, metallurgy rolling mill, cement rotary kiln automation panel;
5. Environmental & pharmaceutical industry: Water treatment PLC control stations, pharmaceutical continuous production line sterile workshop automation system;
6. Other scenarios: Marine vessel automation equipment, large building HVAC compressor control system, wind turbine cabinet internal power distribution.

5. Commercial Supply Advantages

This module is original ABB genuine factory spare part, 100% full factory aging test before delivery, stable spot inventory support global fast logistics delivery. Standard 12-month manufacturer warranty is provided, complete official datasheets, wiring diagrams and System 800xA integration technical guidance documents are attached. It is the preferred standardized power matching component for ABB automation whole-set project bidding, equipment renovation and old cabinet spare parts replacement worldwide.