Honeywell 51198947 - 100 is Honeywell's UCN PM power supply, and here are some key information from its datasheet:

Product Description: It is an AC input, AC/DC output power supply for use in Honeywell UCN (PM, APM or HPM) equipment cabinets.

Input Voltage: It can operate at line voltages from 85 to 264VAC, and can also use a 48VDC battery, which meets CE standards.

Output Characteristics: When powered by the AC line, the DC output at the output pin is rated at 25.25VDC at a load of 10A, and 24.25VDC when powered by a 48V battery. The design also includes charging circuitry for the 48V battery. In addition, there is a nominal 6VAC, line frequency output rated at a load of 35 mA to provide line frequency synchronization.

Operating Temperature Range: The full load operating temperature range is - 20 to + 55℃. Above 55°C, the output load capacity is derated linearly at 0.5A/°C up to a maximum temperature of +65°C.

Other Features: Two or more power supplies can be used in parallel and comply with all applicable directives of the European Economic Community (EEC).

Physical Characteristics: Shipping weight is 5kg.

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