DIN Rail Power Supply Applications — Power Solutions by Industry & Use Case

Explore DIN rail power supply applications in industrial automation, instrumentation, rail transportation, renewable energy, building automation and other control systems. Find suitable power solutions by industry and use case.

Industrial Automation PLC Control Instrumentation Railway Renewable Energy Building Automation
Topic Cluster

Applications & Industries We Cover

Use Cases

Find the Right Power Supply for Your Application

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Industrial Automation

Typical Equipment
Conveyors, robotic arms, actuators, sensors, HMI panels, motor starters
Required Voltage
24 VDC (primary), 12 VDC / 48 VDC optional
Power Requirements
60 W – 480 W; high inrush tolerance for motor loads
Installation Environment
Factory floor control cabinets, dusty / vibrating conditions
Protection Requirements
Short-circuit, overload, overvoltage; IP20 cabinet-rated
Recommended Characteristics
Wide input 85–264 VAC, parallelable, DIN rail mount, high efficiency ≥90%
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PLC Control Systems

Typical Equipment
PLC CPU & I/O modules, digital/analog modules, relays, terminal blocks
Required Voltage
24 VDC stabilized; 5 V / 3.3 V internally regulated
Power Requirements
30 W – 120 W typical; stable output, low ripple
Installation Environment
Enclosed control panel, ambient 0–55 °C
Protection Requirements
Overload & short-circuit protection, SELV output
Recommended Characteristics
Narrow 6–45 mm width, reliable brand, LED status, easy wiring
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Instrumentation

Typical Equipment
Pressure/flow transmitters, analyzers, signal isolators, data loggers
Required Voltage
24 VDC, low-noise; 12 VDC for legacy instruments
Power Requirements
15 W – 60 W; ultra-stable, low ripple noise
Installation Environment
Process plants, labs, hazardous-area adjacent panels
Protection Requirements
Isolation, overvoltage category III, surge protection
Recommended Characteristics
Tight voltage tolerance, EMC compliant, isolated output
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Railway Systems

Typical Equipment
Signaling, track circuits, onboard controllers, ticket machines, PIS
Required Voltage
24 VDC, 48 VDC, 72 VDC (railway battery bus)
Power Requirements
60 W – 300 W; high shock/vibration immunity
Installation Environment
Trackside cabinets, rolling stock enclosures, wide temp range
Protection Requirements
EN 50155 / EN 50121 compliance, surge & reverse polarity protection
Recommended Characteristics
Rail-certified, wide -40 to +70 °C, redundant / N+1 capable
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Renewable Energy

Typical Equipment
Solar inverters, charge controllers, battery management, monitoring nodes
Required Voltage
24 VDC, 48 VDC; matched to battery bank
Power Requirements
60 W – 240 W; DC-input capable (PV / battery direct)
Installation Environment
Outdoor enclosures, solar farms, temperature extremes
Protection Requirements
Reverse polarity, surge, over-temperature derating
Recommended Characteristics
DC OK relay, wide -25 to +70 °C, high MTBF, backup/redundancy support
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Building Automation

Typical Equipment
HVAC controllers, lighting DALI, access control, fire & security panels
Required Voltage
24 VDC, 12 VDC for field devices
Power Requirements
30 W – 120 W; 24/7 continuous operation
Installation Environment
Electrical rooms, false ceilings, distribution boards
Protection Requirements
Overload, short-circuit, battery backup option
Recommended Characteristics
Compact, low standby loss, silent, UPS/buffer module compatible
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Control Cabinets

Typical Equipment
Contactors, circuit breakers, terminal blocks, industrial PCs
Required Voltage
24 VDC system supply; auxiliary 12 V / 5 V rails
Power Requirements
120 W – 480 W; scalable / parallelable
Installation Environment
Steel enclosures with limited ventilation, high ambient temps
Protection Requirements
Power derating awareness, short-circuit, over-temperature
Recommended Characteristics
Modular, tool-free wiring, diagnostic LED/alarm contact, 3-phase input option
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Monitoring Systems

Typical Equipment
SCADA remote I/O, environmental sensors, IP cameras, gateways
Required Voltage
24 VDC, 12 VDC (PoE/PoE+ adjacent)
Power Requirements
30 W – 150 W; always-on, high availability
Installation Environment
Remote sites, unmanned stations, mixed indoor/outdoor
Protection Requirements
Surge protection, battery-backed buffer, remote alarm
Recommended Characteristics
Redundant input, DC OK signal, wide temp, UPS module support
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Communication Equipment

Typical Equipment
Industrial Ethernet switches, routers, cellular modems, serial servers
Required Voltage
24 VDC, 48 VDC (telecom), 12 VDC small devices
Power Requirements
30 W – 120 W; clean, uninterrupted supply
Installation Environment
Network cabinets, telecom closets, cabinet-level integration
Protection Requirements
EMC immunity, isolation, inrush current limiting
Recommended Characteristics
Stable no-break output, redundancy, remote monitoring, compact footprint

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