ABB LXN1604‑6 belongs to ABB Convert Select series heavy-duty DIN rail switching power supply, OEM part number 3BHL000986P7000, 500W / 27VDC 20A output, dedicated for medium voltage drives, UNITROL generator excitation cabinets and System 800xA DCS core control equipment. Core highlights: top-tier conversion efficiency, ultra-wide operating temperature range, native dual redundant input design, compact metal DIN rail housing, stable continuous full-load operation in high/low temp industrial control rooms. We supply 100% brand-new original ABB units with full stock, fast global delivery and standard 12-month factory warranty.

Core Technical Specifications

表格

Parameter	Standard Specification
Full Model Code	LXN1604‑6 / 3BHL000986P7000
Rated Output	27VDC, 20A, total power 500W
Redundant Dual Input	AC 85–264V universal mains / DC 90–350VDC battery backup dual-channel input
Energy Efficiency	Up to 93% peak full-load efficiency, low heat loss
Operating Temperature (Wide Temp Design)	-20℃ ~ +70℃ continuous working; derating above 55℃
Storage Temperature	-40℃ ~ +85℃
Mounting	Standard 35mm DIN rail snap-on installation
Enclosure Protection	IP20 metal heat dissipation casing (cabinet internal use)
Redundancy Feature	Built-in decoupling diodes, seamless auto switch between two input sources, no extra redundant module needed
Parallel Function	Multiple units parallelable for N+1 redundant power system expansion
Complete Protection Suite	Overvoltage, overcurrent, hiccup short-circuit auto-recovery, over-temperature thermal shutdown, input undervoltage lockout
Status Indication	Power OK LED + dual input channel fault alarm light
Weight	~2.8kg
Certifications	CE, UL, IEC61010 industrial safety & EMC standards

Core Advantages: High Efficiency + Wide Temperature Adaptability

1. Up to 93% Ultra-High Efficiency, Energy Saving & Low Heat

Adopts soft-switching high-frequency topology, peak efficiency reaches 93% under full load, greatly cutting power waste and heat generation compared with ordinary industrial power supplies. Less heat accumulation eases cabinet heat dissipation pressure, extends service life of internal electrolytic capacitors, and reduces long-term energy consumption for 24/7 running control cabinets.

2. Ultra-Wide Temperature Operating Range, Stable in Extreme Cabinets

Supports continuous operation from -20℃ low temperature cold workshop to 70℃ high-temperature enclosed converter cabinet, solving unstable power output problems of ordinary power supplies under low-temperature startup or high-temperature heat accumulation. Suitable for outdoor auxiliary control cabinets, boiler thermal control rooms, metallurgical high-heat drive rooms and cold northern power station equipment rooms without extra cooling fans.

3. Native Dual Redundant Input Eliminates Single Power Failure Risk

Integrated two independent isolated input terminals, can connect two separate UPS/mains/battery power sources. Microsecond-level seamless switchover when one input loses power, zero interruption for DCS, safety interlock loops and IGCT gate drive boards. Built-in decoupling circuit removes the need for external redundant diodes, simplifies cabinet wiring layout and reduces hardware investment.

4. Full Multi-Layer Hardware Protection Safeguards High-Value Control Boards

• Input undervoltage lockout: avoid unstable low voltage damaging precision drive and DCS boards
• Overvoltage/overcurrent limit: suppress abnormal surge output
• Hiccup short-circuit protection: auto recover after fault clearance without permanent burnout
• Over-temperature thermal shutdown: prevent power supply failure under poor ventilation Multi-stage EMC surge filter resists harmonic interference from medium voltage drives, no power flicker or accidental reset under strong electromagnetic noise environments.

5. Compact DIN Rail Modular Design, Easy Installation & Maintenance

Integrated finned metal heat dissipation housing, snap-on DIN rail mounting without complicated fixing brackets. Pluggable quick wiring terminals allow fast replacement without cutting off the whole cabinet power supply. Multiple LXN1604‑6 can be paralleled freely to build N+1 redundant power architecture for large multi-rack control systems, flexible capacity expansion.

6. Industrial-Grade Long-Life Components for Harsh Environments

All power transformers, switching tubes and long-life electrolytic capacitors are ABB industrial-grade; internal circuit boards adopt conformal anti-corrosion coating to resist moisture, dust and weak corrosive gas. Each unit passes factory continuous full-load aging, vibration and damp-heat cycle testing, ultra-low long-term failure rate compared with generic imitation power supplies.

Main Industrial Application Scenarios

1. Thermal & Hydropower Plant Excitation Systems: UNITROL generator excitation cabinet redundant power supply, prevent unit voltage regulation trip caused by single power source loss
2. Metallurgy Medium Voltage Drive Cabinets: Rolling mill, continuous casting PCS6000 drive core control board uninterrupted power source
3. Chemical & Petrochemical SIS Safety DCS: Reactor overpressure safety interlock, distillation tower monitoring dual redundant power guarantee
4. Mining Heavy Equipment Converters: Mine hoist, long-distance heavy conveyor medium voltage drive control power supply
5. Cement & New Energy Automation: Rotary kiln main drive, wind power full-power converter internal control power module

Original In-Stock & Global Fast Shipping Service

All ABB LXN1604‑6 DIN rail power supplies we provide are 100% genuine original factory products, complete with sealed original packaging and 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 cabinet maintenance orders and bulk procurement for global heavy 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 power & process industrial regions, with one-stop professional customs clearance support. Our supporting services include pre-sales redundant power system topology design, dual input wiring scheme consultation, plus after-sales DIN rail installation, redundancy function debugging and complete control cabinet power system overall commissioning.
Selecting genuine original ABB LXN1604‑6 high-efficiency wide-temperature DIN rail power supply delivers zero-interruption stable 27V high-power output and full protection guarantee for medium voltage drives, generator excitation and DCS safety control systems. Original ABB power electronic quality eliminates single-point power outage, output surge and backend equipment burnout risks from counterfeit power modules, effectively cutting unplanned heavy industrial equipment shutdown frequency and long-term operation maintenance costs. Supported by our ample spot inventory, efficient fast worldwide shipping and complete 12-month warranty protection, it is the preferred redundant power spare component for global uninterrupted industrial automation projects.