ABB LXN1604-6 (3BHL000986P7000) Redundant DIN Rail Power Supply

Stable Power Foundation for ABB 800xA CEX-Bus & Safety Critical Applications 100% Original ABB Quality, Full In Stock, Fast Global Door-to-Door Shipping

1. Product Overview

ABB LXN1604-6, material code 3BHL000986P7000, belongs to ABB Convert Select heavy-duty redundant switching power supply, specially designed for ABB Ability System 800xA SIS safety instrumented systems and CEX-bus controller expansion bus architecture.

Core Supporting Role for CEX-Bus & Safety Applications

All safety-related CEX-bus hardware relies on this module for continuous clean DC power supply:

1. BC810 CEX-bus interconnection units, TP857 baseplates, TB820 CEX-bus expansion modules
2. Redundant AC800M PM series safety controllers, RB520 safety relay output modules
3. NE800 industrial Ethernet switches for safety network, CI series CEX-bus communication cards
4. Field safety transmitters, emergency stop interlock I/O, safety HMI operation panels

Dual redundant input eliminates single-point power failure risk, preventing CEX-bus communication interruption, safety loop trip failure and SIS system offline caused by power fluctuation or blackout, complying with industrial functional safety design requirements. We supply brand-new genuine original ABB units with complete factory safety performance test reports, abundant permanent spot inventory, worldwide expedited logistics and standard 12-month manufacturer warranty.

2. Core Technical Specifications (Safety & CEX-Bus Focused)

表格

Parameter Item	Standard Specification
Full Part Number	LXN1604-6 / 3BHL000986P7000
Rated DC Output	24.7VDC, 20A, total power 500W, ultra-low ripple for safety bus signal
Dual Redundant Input	Dual isolated independent channels: AC 85–264V universal mains / DC 90–350VDC UPS battery backup
Energy Efficiency	Up to 93% peak full-load efficiency, low heat accumulation in dense safety control cabinets
Operating Temperature	-20℃ ~ +70℃ continuous stable operation (derating above 55℃)
Humidity & Corrosion Resistance	5%–95% RH non-condensing, full PCB polyurethane conformal coating anti-moisture, salt mist and corrosive gas
Mounting	Standard 35mm DIN rail snap-on metal finned heat sink housing, IP20 cabinet internal use
Redundancy Mechanism	Built-in isolation decoupling diodes, microsecond seamless dual-input switchover, no extra redundant module required
Parallel Expansion	Multiple modules paralleled to build N+1 redundant power architecture for large safety CEX-bus distributed systems
Complete Safety Protection Suite	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 independent fault alarm light, support safety cabinet remote monitoring
Dimension & Weight	194 × 113.6 × 138 mm, approx. 2.8kg
Certifications	CE, UL, IEC61010 industrial safety, EMC anti-interference standard, fully compatible with ABB 800xA CEX-bus & SIS safety system

3. Key Advantages for 800xA CEX-Bus Safety Applications

3.1 Ultra-Low Noise DC Power Avoid CEX-Bus Safety Signal Distortion

Optimized soft-switching power conversion circuit outputs ultra-low ripple 24V DC power, suppress voltage surge and transient interference that trigger CEX-bus signal reflection, packet loss and safety logic misjudgment. Guarantee stable real-time safety data transmission between redundant AC800M controllers and CEX-bus expansion segments, eliminate safety interlock failure caused by power noise.

3.2 Dual Redundant Input Zero Interruption Protect Safety CEX-Bus System

Two fully isolated input terminals support dual mains + UPS dual backup power supply. When one power source fails, voltage drops or surges, the module switches to backup power within microseconds without cutting off power to CEX-bus interconnection units and safety controllers. Critical for SIS safety loops, avoid catastrophic safety risks such as emergency shutdown failure, reactor overpressure interlock loss and whole plant safety system paralysis caused by single power breakdown. Built-in decoupling circuit saves extra cabinet space without external redundant diodes.

3.3 Conformal Coating Anti-Harsh Environment Ensure Long-Term Safety Bus Stability

Whole internal PCB coated with industrial anti-corrosion conformal coating, forming airtight protective film to isolate damp steam, acid mist, oil vapor in chemical, hydropower and coastal safety workshops. Prevent PCB pin oxidation and leakage current drift, solve periodic CEX-bus communication intermittent faults in humid corrosive cabinets, avoid hidden safety hazards of SIS system.

3.4 93% High Efficiency Reduce Heat Load for Dense Safety CEX-Bus Racks

Safety control cabinets are densely arranged with BC810 CEX-bus units, redundant controllers and safety I/O modules; heat accumulation easily triggers equipment over-temperature protection and safety communication jitter. Ultra-high efficiency topology cuts power loss and heat generation, lower internal cabinet temperature difference to avoid condensation on CEX-bus circuit boards, extend service life of all high-value safety bus hardware.

3.5 Multi-Stage EMC Filter Resist Industrial Interference Stabilize Safety CEX-Bus

Integrated multi-level LC surge filtering and shielding circuit, effectively suppress high-frequency harmonic interference generated by medium voltage drives, welding equipment and large motors. Avoid CEX-bus safety protocol parsing errors, controller clock deviation and redundant pairing failure caused by electromagnetic noise, guarantee consistent safety signal timestamp of primary and standby controllers.

3.6 Full Multi-Layer Hardware Protection Prevent Safety Equipment Burnout

• Input undervoltage lockout: Prevent unstable low voltage from crashing BC810 CEX-bus interconnection units and AC800M safety controllers;
• Hiccup short-circuit auto-recovery: Automatically restore output after field safety wiring short-circuit fault elimination, no permanent burnout of power supply and backend CEX-bus safety modules;
• Over-temperature thermal shutdown: Automatically cut off output for self-protection when cabinet ventilation is poor, avoid chain damage to the entire safety CEX-bus network;
• Surge suppression: Absorb grid instantaneous surge to protect sensitive CEX-bus communication chips.

3.7 Modular DIN Rail Quick Maintenance Minimize Safety System Downtime

Quick plug-in wiring terminals support single-unit replacement without cutting off the power of the entire safety rack, greatly shorten maintenance downtime of safety CEX-bus network. Multiple LXN1604-6 modules can be freely paralleled to expand power capacity, adapt to factory safety system digital transformation and large-scale multi-cabinet CEX-bus safety architecture capacity expansion projects.

4. Typical Safety Application Scenarios Matching ABB 800xA CEX-Bus

1. Thermal & Hydropower Plant SIS Safety Cabinets: Redundant power supply for dual AC800M safety controllers and BC810 CEX-bus interconnection units, guarantee boiler/turbine emergency shutdown safety bus stable operation
2. Chemical & Petrochemical Hazardous Process Safety System: Uninterrupted power backbone of reactor overpressure/temperature SIS safety CEX-bus network, support fault-free redundant controller switching
3. Metallurgy Rolling Mill Safety Interlock Control: PCS6000 medium voltage drive matching 800xA safety auxiliary cabinet, stable power supply for CEX-bus safety I/O communication modules
4. New Energy & Cement Industry 4.0 Safety Production Lines: Rotary kiln, battery coating line safety control cabinet, power supply for factory-wide CEX-bus safety signal transmission network
5. Water Treatment Environmental Safety Automation: Multi-station distributed safety S800 I/O system, dedicated power source for field CEX-bus expansion baseplates

5. Original In-Stock & Global Fast Shipping Service

All ABB LXN1604-6 / 3BHL000986P7000 industrial redundant power supply modules we provide are 100% genuine original factory products, complete with sealed original carton packaging, official factory full-performance safety 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 safety CEX-bus cabinet maintenance orders and bulk procurement for global process industrial SIS EPC automation projects. We adopt professional anti-static, shockproof and moisture-proof dedicated export packaging to protect coated circuit boards during long-distance sea and air international transportation. We cooperate with DHL/Fedex/UPS for fast worldwide delivery covering Europe, North America, Southeast Asia, the Middle East and all major hazardous process industrial zones, with one-stop customs clearance support.
Our full supporting services include pre-sales safety CEX-bus cabinet power load calculation, dual redundant safety power system topology design, dual input wiring scheme consultation, plus after-sales DIN rail installation, redundancy function debugging, BC810 CEX-bus unit power matching and complete ABB Ability 800xA safety automation system overall commissioning.

Product Core Value Summary

Genuine original ABB LXN1604-6 redundant power supply is the indispensable reliable power backbone of ABB 800xA CEX-bus safety instrumented system. Its dual redundant zero-interruption power supply, ultra-low-noise output, anti-humidity anti-corrosion and strong anti-electromagnetic interference design effectively eliminate CEX-bus safety communication collapse, SIS interlock failure and expensive CEX-bus/controller burnout risks brought by inferior power supplies, greatly reduce unplanned safety system offline downtime and long-term factory operation maintenance costs. Supported by ample spot stock, efficient global fast shipping and complete 12-month original manufacturer warranty, it is the standard matching redundant power spare component for all ABB Ability 800xA CEX-bus safety critical automation projects.

Supplementary Reference: Genuine CEX-Bus Switch/Interconnection Hardware

If you need actual CEX-bus bus switching & expansion equipment for safety systems, select official ABB models: BC810 (CEX-bus interconnection unit), TP857 (CEX-bus baseplate), TB820V2 (CEX-bus expansion module). LXN1604-6 only provides stable safety power supply for the above CEX-bus hardware.