Mean Well GSM40A09-P1J Power Supply 40W 9V

This model is a 40W AC/DC desktop power supply with a 9V DC output. Its rated output current is 4.45A, making it suitable for equipment that requires a regulated 9V supply within that power range.

The GSM40A09-P1J is part of Mean Well's medical-grade power supply range. It is intended for applications that benefit from medical safety approvals, low leakage current, and reliable enclosed external power conversion.

Yes. The product description states that it is medical safety approved and provides 2 x MOPP isolation between primary and secondary, with approvals including ANSI/AAMI ES60601-1, ES60601-1-11, and TUV EN60601/60601-1-11.

This model accepts a universal AC input range of 80 to 264VAC and also supports 113 to 370VDC input. That wide input range makes it suitable for use across many regional mains power standards.

It is rated for operation from -30°C to +60°C according to the general specification table, and the product data also lists an upper temperature figure of 70°C. It also includes protection against short circuit, overload, over voltage, and over temperature for added robustness.

The standard DC plug for the GSM40A09-P1J is P1J, specified as 2.1 mm x 5.5 mm x 11 mm with center positive polarity. For the 9V to 12V versions, the listed output cable length is 100 cm using UL1185 16AWG cable.

The GSM40A09-P1J is specified at up to 91% efficiency. It also has no-load power consumption below 0.1W, which helps reduce standby energy use.

The enclosure dimensions are 125 x 50 x 31.5 mm. Mean Well lists this model with a 3-year warranty.