MEAN WELL Switching Power Supply, AD-55B, 26.5 V dc, 27.6 V dc, 1.8 A, 160mA, 53.9W, Dual Output, 124 → 370 V, Источник питания

AD-55 and AD-155 Series Battery Backed PSUs

These 51 to 156 watt battery backed PSUs operate as an integrated power supply and battery charger capable of simultaneously powering an electrical device while charging a rechargeable battery.If the mains power supply fails, the unit will switch to the external battery, which will continue to power the electrical device until mains power is resupplied, or the battery runs out.They are designed to be used with batteries with a capacity below 3Ah.

Universal AC input
Battery charger UPS function
Short circuit, overload & over voltage protection
Battery low protection
Built in EMI filter
100% full load burn-in test
Suitable for security industry or battery backup systems

Note

MTBF to MIL-HDBK-217F.

Standards

EN 60950-1, UL60950-1

Approvals

UL, TUV

AD - 55 Series specification sheet

Declaration Of Conformity