The DRL100-24-1/C2 is certified as a Class 2 power supply in accordance with NEC (per UL 1310) and as a limited power source (per UL 60950 clause 2.5 requirements). The unit also has a Class II construction with double insulation for operation without an earth ground connection. This 88 W-rated 24-V model is housed in a rugged plastic enclosure, with overall dimensions of 72 x 91 x 55.6 mm. The input range is 85 to 264 Vac, withstanding surges of up to 300 Vac for 5 seconds. The input to output isolation is 3,000 Vac.