Power Adapter MEAN WELL SD-100A-24 100W 24V RoHS

The MEAN WELL SD-100A-24 is an enclosed DC-DC converter and power adapter that accepts a 9.5–18 V DC input and provides a regulated 24 V DC output at up to 4.2 A (100 W). It is RoHS compliant and designed for compact installations with dimensions of 98 mm × 199 mm × 38 mm, offering stable voltage for devices that require a reliable 24 V supply.

Advantages

The adapter delivers a fixed 24 V output with a maximum output current of 4.2 A and a rated output power of 100 W, suitable for continuous operation within its specifications. Its enclosed design protects internal components and simplifies mounting in equipment racks or enclosures. Compliance with RoHS ensures reduced hazardous substances, and the compact size makes it practical for space-limited applications.

Suitable for

• Industrial control modules and embedded systems requiring 24 V power
• Communication equipment and networking devices
• Automation components, sensors, and actuators
• Replacement or upgrade of existing 24 V DC power supplies

Key specifications

• Model: MEAN WELL SD-100A-24 (MPN: SD-100A-24)
• Input voltage: 9.5–18 V DC
• Output voltage: 24 V DC
• Output current: up to 4.2 A
• Output power: 100 W
• Compliance: RoHS
• Dimensions (W×D×H): 98 mm × 199 mm × 38 mm
• EAN: 4021087041737

How to use

Connect the SD-100A-24 input to a stable DC source within the specified 9.5–18 V range and verify polarity before powering. Mount the enclosed adapter securely in a well-ventilated location or equipment enclosure to allow heat dissipation. Connect the 24 V output to the load ensuring the total current draw does not exceed 4.2 A. Follow the device manufacturer's wiring and grounding practices and perform initial testing with a multimeter to confirm correct output voltage under load.

Recommendations

Operate the adapter within its rated input and output limits, allow adequate ventilation for cooling, and protect the unit and connected equipment with appropriate fuses or circuit breakers. For long-term reliability, avoid operating at the maximum ratings continuously and consult MEAN WELL documentation for mounting orientation and safety instructions.