ABB LXN1604‑6, material code 3BHL000986P7000, belongs to ABB Convert Select series heavy-duty DIN rail switching power supply, widely matched with ABB System 800xA, AC800M DCS racks, UNITROL generator excitation cabinets and PCS6000 medium voltage drive control systems. It outputs 24.7VDC nominal voltage (24V industrial standard level), 20A rated current, total 500W power. Equipped with native dual redundant input design, it provides uninterrupted stable DC power for CPU controllers, S800 I/O modules, safety relays, HMI panels and field sensors, eliminating single-point power failure risk for critical process control loops. We supply 100% brand-new genuine original ABB units with full spot inventory, expedited global delivery and standard 12-month manufacturer warranty.

Core Technical Specifications

表格

Parameter Item	Standard Specification
Full Part Number	LXN1604‑6 / 3BHL000986P7000
Rated DC Output	24.7VDC (24V industrial grade), 20A, 500W total power
Dual Redundant Input	AC 85–264V universal mains / DC 90–350VDC battery backup dual isolated channels
Energy Efficiency	Up to 93% peak full-load efficiency, low heat loss for 24/7 continuous operation
Wide Temperature Operation	-20℃ ~ +70℃ continuous working; derating required above 55℃
Storage Temperature	-40℃ ~ +85℃
Mounting Form	Standard 35mm DIN rail snap-on metal heat sink housing, IP20 cabinet internal use
Redundancy Function	Built-in decoupling diodes, microsecond seamless switchover between two input sources, no extra redundant module needed
Parallel Expansion	Multiple units parallelable 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 indicator
Dimension & Weight	194 × 113.6 × 138 mm, approx. 2.8kg
Certifications	CE, UL, IEC61010 industrial safety & EMC standards

Core Advantages: 24V Stable Output + Redundant Input + High Efficiency Wide Temp

1. 24V-Class Precise DC Output Perfect for ABB 800xA/AC800M

Nominal 24.7VDC output fully compatible with all ABB DCS 24V-powered hardware: AC800M CPU, S800 I/O, RB520 safety relays, PP825 HMI and field transmitters. Ultra-low ripple DC power avoids controller reset, I/O signal drift and communication packet loss caused by unstable power supply, seamless integration with Control Builder M engineering software.

2. Dual Redundant Input Zero Interruption for Critical Control

Two independent isolated input terminals support dual UPS/mains/battery power parallel access. When one input loses power, surges or undervolts, the module switches to backup power within microseconds without DCS system blackout. Critical for SIS safety interlock, boiler/turbine control and reactor monitoring cabinets to prevent production shutdown and safety accidents; built-in decoupling circuit simplifies cabinet wiring without external redundant diodes.

3. 93% High Efficiency Reduces Cabinet Heat Load

Adopts soft-switching high-frequency topology, peak efficiency reaches 93% under full load, drastically cutting energy waste and heat accumulation inside enclosed DCS cabinets. Lower internal temperature extends service life of CPU, I/O boards and power supply electrolytic capacitors, reduces long-term operation energy consumption.

4. Ultra-Wide Temperature Adaptability for Harsh Control Rooms

Continuous stable operation from -20℃ low-temperature cold equipment rooms to 70℃ high-temperature enclosed converter cabinets, solving unstable startup and overheating shutdown problems of ordinary 24V power supplies. Suitable for northern cold power stations, boiler thermal control rooms, metallurgical high-heat drive rooms without auxiliary cooling fans.

5. Multi-Layer Hardware Protection Safeguards High-Value DCS Equipment

• 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 poor cabinet ventilation
• Multi-stage EMC filter: Suppress harmonic interference from medium voltage drives, eliminate signal mis-triggering and communication disconnection

6. Modular DIN Rail Design Easy Maintenance & Capacity 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.

7. Industrial-Grade Long-Life Components Low Maintenance Cost

All internal 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 24V power supplies.

Main Industrial Application Scenarios

1. Thermal & Hydropower Plant DCS Racks: AC800M boiler/turbine control cabinet redundant 24V 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 24V 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

Original In-Stock & Global Fast Shipping Service

All ABB LXN1604‑6 / 3BHL000986P7000 industrial 24V power supplies 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 maintains 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.
Selecting genuine original ABB LXN1604‑6 24V DIN rail power supply delivers zero-interruption stable 24V high-power output and full protection guarantee for your AC800M / System 800xA 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 24V power spare component for ABB full-process automation DCS projects.