The Functional Devices PSH200A, PSH300A and PSH500A are power sources that are pre-packaged in a metal enclosure and provide isolated, 24 VAC, 40VA or 100VA, Class 2 outputs. The panel mount versions PSMN200A, PSMN300A and PSMN500A are provided without the metal enclosure. All models have combination on/off switch/circuit breakers to control each output. Other handy features include LED indication of each output and terminal strip wiring. Kele is the leading supplier of building automation products. When you need the right product, right now, count on Kele.