1. Product Overview

ABB LXN1604-6, material number 3BHL000986P7000, is an original DIN rail heavy-duty switching power supply under ABB Convert Select series, purpose-built for System 800xA, AC800M DCS, S800 I/O stations, UNITROL generator excitation cabinets and PCS6000 medium voltage drive control systems in process industries. It delivers stable 24.7VDC / 20A (500W) DC power to CPUs, I/O modules, safety relays, HMI touch panels, field transmitters and fiber gate drive boards. Its core highlight is native dual redundant input, eliminating single-point power failure for critical safety and control loops. We supply 100% brand-new genuine ABB original modules, full spot stock, fast global delivery and standard 12-month manufacturer warranty.

2. Core Technical Specifications

表格

Parameter Item	Standard Specification
Full Part Number	LXN1604-6 / 3BHL000986P7000
Rated Output	24.7VDC, 20A, total power 500W
Dual Redundant Input	AC 85–264V universal mains / DC 90–350VDC battery backup dual isolated channels
Conversion Efficiency	Up to 93% high efficiency, low heat loss for 24/7 full-load operation
Wide Operating Temperature	-20℃ ~ +70℃ continuous operation (derating above 55℃)
Storage Temperature	-40℃ ~ +85℃
Mounting	Standard 35mm DIN rail snap-on metal heat sink housing, IP20 cabinet internal use
Redundancy Design	Built-in decoupling diodes, microsecond seamless switchover between two input sources, no external redundant module required
Parallel Function	Multiple units paralleled to build N+1 redundant power architecture for multi-rack DCS systems
Complete Protection Circuit	OVP overvoltage, OCP overcurrent, hiccup short-circuit auto-recovery, over-temperature thermal shutdown, input undervoltage lockout, multi-stage EMC surge filtering
Status Indicator	Power OK green LED + dual input channel fault alarm light
Dimension & Weight	194 × 113.6 × 138 mm, approx. 2.8kg
Certifications	CE, UL, IEC61010 industrial safety & EMC standards

3. Core Advantages for ABB Process Automation System

3.1 Native matching ABB 800xA / AC800M DCS architecture

Optimized low-ripple 24V-class DC output perfectly matches all S800 I/O, PM series CPU, CI communication modules, RB520 safety relays and PP825 HMI panels. Clean power avoids controller reset, I/O signal drift and communication packet loss, fully compatible with Control Builder M engineering software topology configuration.

3.2 Dual redundant input ensures uninterrupted process control

Two independent isolated input terminals support dual UPS/mains/battery power parallel access. Microsecond-level seamless switchover when one input loses power, surges or undervolts—zero downtime for SIS safety interlock, boiler/turbine and reactor monitoring racks, preventing unplanned unit trips and production safety accidents. Built-in decoupling diodes simplify cabinet wiring without extra external redundant hardware.

3.3 High efficiency + wide temperature adaptability for harsh control rooms

93% ultra-high efficiency drastically reduces heat accumulation inside enclosed DCS cabinets, extending service life of high-value CPU and I/O boards. Ultra-wide -20℃ ~ +70℃ operating range stably works in cold northern power station equipment rooms, high-temperature boiler thermal control cabinets and poorly ventilated metallurgical converter rooms without auxiliary cooling fans.

3.4 Full multi-layer hardware protection safeguards automation core components

• Input undervoltage lockout: Prevent unstable low voltage damaging precision AC800M controllers
• Hiccup short-circuit protection: Auto recover after field wiring short fault removal without permanent burnout
• Over-temperature thermal shutdown: Avoid power supply failure under cabinet heat overload
• Multi-stage EMC filter: Suppress harmonic interference from medium voltage drives, eliminate signal mis-triggering and communication disconnection

3.5 Modular DIN rail design for easy maintenance & system expansion

Finned metal heat dissipation housing with quick plug-in wiring terminals; single-unit replacement without full rack power cut. Multiple LXN1604-6 modules can be freely paralleled to expand power capacity for large distributed System 800xA multi-cabinet systems, flexible for production line expansion and DCS renovation projects.

3.6 Industrial-grade long-life original ABB components

All internal power transformers, switching tubes and long-life electrolytic capacitors adopt ABB industrial-grade standards; conformal coated internal circuit boards resist dust, moisture and weak corrosive gas in chemical, cement and metallurgical plants. Each unit passes factory full-load aging, vibration and damp-heat cycle testing before delivery, ultra-low long-term failure rate compared with generic imitation power supplies.

4. Main Process Automation Application Scenarios

1. Thermal & Hydropower Plant DCS Racks: AC800M boiler/turbine control cabinet redundant power supply, matched with UNITROL generator excitation system
2. Chemical & Petrochemical SIS Safety Control: Reactor overpressure interlock, distillation tower System 800xA central control uninterrupted power core
3. Metallurgy Medium Voltage Drive Auxiliary Cabinets: PCS6000 rolling mill drive matching AC800M control rack power module
4. Cement & New Energy Automation: Rotary kiln main drive, wind power full-power converter DCS cabinet stable power source
5. Water Treatment & Environmental Protection: Sewage pump group centralized S800 I/O station 24V power supply

5. Original In-Stock & Global Shipping Service

All ABB LXN1604-6 / 3BHL000986P7000 industrial power supply modules we provide are 100% genuine original factory products, complete with sealed original packaging, official factory full-performance test reports, covered by a formal 12-month warranty against manufacturing defects under rated operating conditions. Our warehouse holds abundant permanent ready stock to rapidly process urgent DCS cabinet maintenance orders and bulk procurement for global industrial EPC projects. We adopt professional anti-static, shockproof and moisture-proof dedicated export packaging to protect internal power circuit components during long-distance sea and air international transportation. We cooperate with mainstream global logistics carriers to deliver fast worldwide shipment covering Europe, North America, Southeast Asia, the Middle East and all major process industrial regions, with one-stop professional customs clearance support.
Our supporting services include pre-sales AC800M rack power load calculation, redundant power system topology design, dual input wiring scheme consultation, plus after-sales DIN rail installation, redundancy function debugging and complete System 800xA DCS power system overall commissioning.

Product Value Summary

Selecting genuine original ABB LXN1604-6 power module delivers zero-interruption stable 24V high-power output and full protection guarantee for your AC800M / System 800xA process automation DCS control systems. Original ABB power electronic quality eliminates single-point power outage, output surge and DCS module burnout risks from counterfeit power supplies, effectively cutting unplanned industrial equipment shutdown frequency and long-term operation maintenance costs. Supported by ample spot inventory, efficient global fast shipping and complete 12-month warranty protection, it is the dedicated redundant power spare component for full-process ABB automation projects.