ABB LXN1604-6 (3BHL000986P7000) High Stability DIN Rail Power Module

Optimized for Humid, Corrosive & Harsh Industrial Automation Systems | 100% Original ABB, Full In Stock, Fast Global Shipping

Critical Fact Confirmation

LXN1604-6 / 3BHL000986P7000 is a heavy-duty redundant industrial power supply, not communication switches or bus modules. It delivers stable 24.7V / 500W power to ABB 800xA DCS, NE800 Ethernet switches, CEX-bus units, safety I/O and controllers in high-humidity, damp, salt-fog, chemical vapor harsh workshops.

1. Product Overview

ABB LXN1604-6 (material code 3BHL000986P7000) belongs to ABB Convert Select series, engineered with full anti-humidity hardening for harsh industrial environments: hydropower underground control rooms, coastal chemical plants, sewage treatment stations, offshore platforms, and paint workshops with high moisture & corrosive mist. Core design highlights for humid sites: full PCB conformal anti-corrosion coating, 5%–95% RH non-condensing continuous operation, metal finned heat sink to cut internal condensation risk, dual redundant zero-interruption input, and complete multi-layer electrical protection. It eliminates intermittent power drift, circuit oxidation and system tripping caused by long-term damp conditions, guaranteeing 24/7 stable operation of ABB process automation systems. We supply brand-new sealed original units with factory damp-heat environment test reports, abundant spot inventory, and standard 12-month 100% original manufacturer warranty.

2. Core Technical Specifications (Humid Harsh Environment Focus)

表格

Parameter Item	Standard Specification
Full Part Number	LXN1604-6 / 3BHL000986P7000
Rated Output	24.7VDC, 20A, total 500W low-ripple DC
Dual Redundant Input	Dual isolated channels: AC 85–264V universal mains / DC 90–350VDC UPS backup
Humidity Resistance	5% ~ 95% RH, long-term stable under non-condensing high humidity
PCB Protection	Full polyurethane conformal coating, anti-moisture, salt mist, acid/alkali vapor corrosion
Operating Temperature	-20℃ ~ +70℃ continuous running (derate above 55℃)
Anti-Vibration Standard	IEC 60068-2-6 (5g, 10–150Hz), resist pump/compressor long-term vibration
Heat Dissipation	Integrated metal finned housing, reduce cabinet temperature difference & condensation
Mounting	Standard 35mm DIN rail snap-on, IP20 cabinet internal protection
Redundancy Function	Built-in decoupling diodes, microsecond seamless input switchover
Full Protection Suite	OVP overvoltage, OCP overcurrent, hiccup auto-recovery short-circuit, OTP over-temperature, UVP undervoltage lockout, multi-stage EMC surge filter
Status Indicator	Power OK LED + dual input independent fault alarm for remote cabinet monitoring
Dimension & Weight	194 × 113.6 × 138 mm, ~2.8kg
Certifications	CE, UL, IEC61010, IEC 60068 damp-heat & salt mist environmental certification

3. Exclusive Advantages for Humid Harsh Industrial Environments

3.1 Full Conformal Coating PCB Blocks Moisture & Corrosive Gas

The entire circuit board is covered with industrial-grade conformal coating, forming a sealed protective film over chips, solder joints and copper traces.

• Isolate water vapor, paint mist, hydrogen sulfide, salt fog and weak acid/alkali vapor in chemical, coastal, hydropower and sewage plants;
• Prevent pin oxidation, leakage current drift and intermittent power output fluctuation—the most common failure of ordinary power supplies in humid cabinets;
• Pass IEC 60068 damp-heat cycle aging test, no regular maintenance required for years in damp control rooms.

3.2 Wide 5%–95% RH Humidity Tolerance Solve Condensation Hidden Trouble

Ordinary power supplies fail to operate stably above 80% RH, prone to startup failure and signal drift. This module supports continuous operation at 95% relative humidity without condensation, perfectly matching poorly ventilated underground pump houses, coastal salt-fog workshops, closed paint baking cabinets and hydropower underground turbine control rooms. The metal finned heat sink balances internal & external temperature, drastically lower condensation probability on PCB.

3.3 93% Ultra-High Efficiency Low Heat Reduces Damp Cabinet Thermal Stress

Dense control cabinets filled with controllers, switches and I/O generate heat accumulation; large temperature gaps easily trigger water vapor condensation on circuit boards. Soft-switching high-efficiency topology cuts power loss and heat generation, minimizing internal cabinet temperature difference to avoid dew formation on coated PCBs, extending service life of both power supply and backend automation hardware.

3.4 Dual Redundant Input Prevents System Shutdown from Humidity-Induced Power Faults

Damp wiring easily causes leakage, grid voltage sag and transient power loss. Two fully isolated input terminals support dual mains + UPS battery redundant power access. When one input fails due to damp wiring leakage or grid fluctuation, the module switches to backup power within microseconds, zero downtime for SIS safety loops, 800xA controllers and Ethernet communication network, avoiding costly production shutdown and safety accidents in non-stop process industries. Built-in decoupling diodes save extra cabinet space without external redundant modules.

3.5 Multi-Stage EMC Filter & Complete Hardware Protection Against Humidity-Caused Electrical Faults

• Input undervoltage lockout: Block unstable low voltage from damp wiring leakage, protect high-value AC800M CPUs and NE800 switches;
• Hiccup short-circuit auto-recovery: Auto-resume output after damp cable short-circuit removal, no permanent burnout;
• Over-temperature thermal shutdown: Self-protect when sealed humid cabinets lack ventilation;
• Multi-level surge filter: Suppress ground potential offset and harmonic interference common in damp poorly grounded workshops, eliminate DCS signal distortion and Ethernet packet loss.

3.6 Industrial-Grade Long-Life Components Adapt Long-Term Damp Operation

All internal electrolytic capacitors, transformers and semiconductors adopt ABB high-humidity resistant industrial materials, resisting accelerated aging under constant damp atmosphere. Every unit undergoes factory continuous damp-heat, vibration and salt mist cycle testing before shipment, with far lower long-term failure rate than uncoated generic power supplies, cutting spare part replacement frequency in high-humidity factories.

4. Typical Humid Harsh Industry Application Scenarios

1. Hydropower Station Underground DCS Cabinets: Long-term high-humidity turbine control room redundant power for UNITROL excitation and CEX-bus units
2. Coastal Offshore & Chemical Process Plants: Salt mist, acid vapor damp workshops, SIS safety interlock & 800xA central control power backbone
3. Sewage & Waste Water Treatment Automation: Damp pump house enclosed control cabinets, power supply for S800 I/O and field Ethernet switches
4. Mining Underground Control Rooms: High humidity, water splash and dust medium voltage drive auxiliary cabinet stable power source
5. Automotive Paint Shop Production Lines: Paint mist, high-humidity baking oven control cabinets, anti-corrosion power for workshop HMI and safety interlock modules

5. Original In-Stock & Global Fast Shipping Support

All ABB LXN1604-6 / 3BHL000986P7000 high-stability anti-humidity power modules we offer are 100% genuine original factory goods, complete with sealed original cartons and official damp environment performance test certificates, covered by formal 12-month manufacturer warranty for manufacturing defects under rated operating conditions. Our warehouse holds permanent abundant spot stock to handle urgent humid-site automation cabinet maintenance orders and bulk procurement for global heavy industrial EPC projects. We adopt anti-static, shockproof and moisture-proof dedicated export packaging to safeguard coated precision circuit boards during long-distance sea and air transportation. We cooperate with DHL/Fedex/UPS to deliver worldwide, covering Europe, Southeast Asia, Middle East coastal regions and all high-humidity industrial zones, with full one-stop customs clearance support. Our full supporting services include pre-sales humid cabinet power load calculation, redundant power topology design, dual input wiring scheme consultation, plus after-sales DIN rail installation, redundancy function debugging and full ABB 800xA DCS system commissioning.

Product Core Value Summary

Genuine original ABB LXN1604-6 anti-humidity power module provides corrosion-resistant, zero-interruption stable 24V high-power output for ABB full-process automation systems in damp, corrosive harsh industrial environments. Its conformal coating, wide humidity tolerance, low heat high-efficiency and dual redundant design eliminate circuit oxidation, power drift and whole-system trip risks from inferior power supplies, drastically reduce unplanned production downtime and long-term maintenance costs for coastal, hydropower, chemical and water treatment harsh-site automation projects. Supported by ample spot inventory, efficient global logistics and complete 12-month original warranty, it is the preferred high-stability redundant power spare part for all humid harsh industrial ABB automation systems.