Machine-Mount Power Supplies

Shop machine-mount power supplies designed to provide regulated DC power close to industrial equipment and field devices. These rugged supplies can reduce the need to locate every power source inside a central control enclosure and may offer enhanced protection against dust, moisture and other environmental conditions.

Compare machine-mount power supplies by input voltage, DC output, current capacity, wattage, connector type, environmental rating and mounting configuration. Confirm that the enclosure and connection system are appropriate for the actual installation environment.

How to Select a Machine-Mount Power Supply

Machine-mount power supplies are designed for installation closer to sensors, actuators, remote I/O and other equipment loads. Moving the DC power source closer to the machinery can simplify distributed automation architectures and reduce long low-voltage wiring runs.

Unlike conventional open-frame or DIN-rail supplies installed inside a protected control cabinet, machine-mount models may use sealed housings and industrial connectors. The stated environmental rating applies only when the product is installed with compatible connectors and accessories according to the manufacturer’s requirements.

Important Selection Factors

• Input voltage: Confirm the available source power and allowable input range.
• Output voltage and current: Match the connected field devices and allow reserve capacity.
• Environmental rating: Verify protection against dust, water, washdown or other exposure.
• Connector system: Confirm input and output connector types, pin assignments and mating cables.
• Operating temperature: Review ambient-temperature limits and derating requirements.
• Mounting location: Account for vibration, airflow, accessibility and available machine space.
• Approvals: Verify required industrial or application-specific certifications.

Machine-Mount vs. DIN-Rail Power Supplies

DIN-rail supplies are generally installed inside a control enclosure. Machine-mount supplies are designed for installation on or near equipment and may include a sealed housing and field connectors. Choose the style that matches the electrical architecture and environmental protection required by the installation.

Replacement Checklist

• Manufacturer and complete model number
• Input voltage
• DC output voltage and current
• Required wattage
• Environmental or ingress-protection rating
• Input and output connector types
• Mounting dimensions
• Operating-temperature requirements