Product details:

Intermatic PX300S 300 watt 12volt / 13volt AC ground shield safety transformer in stainless steel for use with 120VAC household voltage for pool and spa lighting, submersible lights and outdoor garden lights. Meets UL1838 and NEC 680.23 no other transformer group on our web site meets these very special requirements. Intermatic PX300S safety transformer 60Hz 120volt AC 3 Amp input and 12volt / 13volt AC 300 watt output.