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The PSAA20R-033-R-C3 is a 3.3V 9.9W AC/DC wall mount adapter from Phihong USA, designed for ITE (commercial) applications. It delivers a regulated output of 3.3V at 3A with Level V efficiency, ensuring low energy consumption. The no-load power consumption is limited to 300mW maximum.
The adapter features a wall mount form factor with Class II construction and an input that accepts multi-blade plugs (sold separately) for international use. The output connection is via a barrel plug with 1.7mm I.D. and 4.0mm O.D., positive center polarity, and a cable length of 1.2m.
Mechanical dimensions are 71.7mm (length) x 50.0mm (width) x 31.0mm (height). The adapter is certified CE and cULus, meeting safety standards for commercial equipment. The operating temperature range is 0°C to 40°C, suitable for typical indoor environments.
Common applications include powering networking equipment, IoT devices, and other low-voltage 3.3V electronics requiring a compact wall-mounted power solution.
3.3V.
3A.
0°C to 40°C.
Wall mount (Class II).