MEAN WELL Encapsulated Switch Mode Power Supply, 120 → 370 V dc, 85 → 264 V ac Input, 27.6V dc Output,

Switch mode single output switching security power supplies with universal AC input at full range. Suitable applications for these switch mode single output switching security power supplies include security systems, access control systems, emergency lighting systems, alarm systems, and central monitoring systems.

Universal AC input at full range
Short circuit, overload, over voltage and battery polarity (by fuse) protection
Cooling by free air convection
100% full load burn-in test
LED indicator for power on
No load power consumption <0.75W
EMC compliance to EN55022 (CISPR22) Class B
Harmonic current compliance to EN61000-3-2,-3

MTBF to MIL-HDBK-217F (25°C)
Derate power above 50°C operating temperature

UL60950-1, CB(IEC60950-1),CCC GB4943 approved (35W and 75W model)
UL60950-1, CB(IEC60950-1) approved (50W model)

cULus, CB