DIN Rail Power Supplies
RS Australia is a trusted online distributor of high-performance DIN rail power supplies, supplying automation integrators, panel builders, and OEMs across Australia with reliable DC power for industrial control applications.
Our catalogue covers everything from compact 12V DIN rail power supply units for small control panels through to heavy-duty three-phase models for high-load automation cabinets.
Some of the DIN rail mounted power supply brands available at RS Australia include:
With stock held locally, RS Australia offers same-day dispatch from our Sydney warehouse and Australia-wide next working day delivery on business orders over $40 excluding GST.
What is a DIN Rail Power Supply?
A DIN rail power supply is an electrical device that converts incoming AC mains voltage into the clean, regulated DC voltage required by industrial equipment, mounted directly onto a standard 35mm DIN rail inside a control cabinet.
Often described as the heart of the control cabinet, a DIN rail mounted power supply transforms raw AC grid power into the stable DC output needed by modern PLCs, sensors, relays, HMIs, and field instruments.
The compact form factor of a DIN mount power supply saves valuable panel space, simplifies wiring, and allows fast unit replacement during maintenance and upgrades.
DIN Rail Power Supplies Types
DIN rail power supplies are typically grouped into three categories based on input voltage and function:
- Single Phase: Standard DIN power supply units for 240V AC input, suited to most control panel builds.
- Three Phase: Heavy-duty units accepting 400V to 480V inputs for high-load industrial automation.
- Uninterruptible Power Supplies (UPS): A DIN mount UPS or DIN rail UPS 24V keeps control systems online during power drops.
Applications of DIN Rail Power Supplies
DIN rail power supplies are a core component in almost every industrial automation build, powering everything from low-voltage field sensors through to full PLC racks.
For automation integrators and panel builders, the right DIN rail DC power supply often determines the long-term reliability of the entire control system. Here are some of the most common professional environments where these units are deployed.
Robotics and Factory Automation
On the factory floor, DIN rail power supplies feed 24V DC to PLCs, safety relays, servo drive logic circuits, and the sensor networks that coordinate robotic cells. Stable DC output is critical here, as voltage dips can trigger line stoppages and unplanned downtime.
Telecommunications Racks
In telecom enclosures and data cabinets, DIN rail mounted power supplies provide regulated DC voltage for routers, switches, signal converters, and remote monitoring equipment. A DIN rail mount UPS is often paired with the main supply to protect against grid outages.
Traffic Control Systems
Roadside cabinets housing traffic signal controllers, vehicle detection loops, and intelligent transport system (ITS) equipment rely on rugged DIN rail power supplies that can handle wide temperature swings, vibration, and grid disturbances.
Water Treatment Facility Panels
Pump stations, chemical dosing systems, and SCADA panels at water treatment plants depend on DIN rail DC power supply units to drive sensors, flow meters, valves, and PLC control loops in damp and electrically noisy environments.
Industrial Control Panels, PLC Systems, and Building Automation
Beyond specific sectors, DIN power supply units are the standard choice for general industrial control panels, PLC systems, building management systems (BMS), HVAC control, lighting control, and access control panels.
Their modular footprint makes them ideal for panel builders working to tight cabinet layouts and standardised wiring practices.
How to Order DIN Rail Power Supplies From RS Australia?
Sourcing a DIN rail power supply through RS Australia gives engineers, procurement teams, and panel builders direct access to one of the broadest power supply catalogues in the region, backed by our global supply network and local Sydney-based fulfilment.
Whether you are specifying a single 12V DIN rail power supply for a retrofit or building out a complete cabinet with redundant DIN UPS modules, our catalogue lets you filter by output voltage, output current, input phase, mounting style, and certifications.
DIN rail power supply brands available at RS Australia include:
Alongside DIN rail power supplies, RS Australia also carries complementary panel components including autotransformers, 24V AC DIN rail transformers, and PoE injector units for delivering power to networked devices over Ethernet.
Business customers receive bulk pricing on volume orders and free Australia-wide delivery on orders above $40 excluding GST.
Delivery Information for Australia
RS Australia offers same-day dispatch from our Sydney warehouse and Australia-wide next working day delivery on locally stocked DIN rail power supplies, covering single-phase, three-phase, and DIN rail UPS 24V models.
Place your order by 5 pm AEST Monday to Friday to qualify for next working day delivery. For a full overview of delivery options, fees, and regional exceptions, visit our delivery information page.
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