Product Short Description
Product Name: HPM Power Supply / Cabinet Power Supply for Honeywell UCN (PM, APM, HPM)
Product Description: The 51198947-100 is an AC-input, AC/DC-output power supply unit designed for Honeywell UCN equipment cabinets (PM, APM, or HPM). It supplies stable DC power to the DCS cabinet while also providing a battery charging circuit for 48 V DC backup batteries.
Description
Technical Specifications:
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Manufacturer: Honeywell
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Type: HPM Power Supply (DCS section)
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Input: 85–264 V AC line voltage, or 48 V DC battery
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DC Output: 25.25 V DC at 10 A load (when powered by AC line); 24.25 V DC when powered by 48 V battery
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Battery Charging: Includes 48 V battery charging circuit
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Line Frequency Output: Nominal 6 V AC, 35 mA (for line frequency synchronization)
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Full-load Operating Temperature: -20 °C to +55 °C
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Derating: Linear derating above 55 °C at 0.5 A/°C up to +65 °C maximum
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Parallel Operation: Two or more units can be paralleled for higher output
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Compliance: Meets CE (EEC directives)
Functional Features: High-power multi-channel isolated output; wide AC input range; built-in EMC filtering; compatible with 120 V/240 V grids without external transformer.
Application Scenarios: Power supply for Honeywell UCN (Universal Control Network) cabinets in process automation systems.
Installation Requirements: Mount in standard 19-inch industrial rack; ensure tight connection of AC input and DC output terminals; battery connections must be made by qualified personnel.
Precautions: Do not exceed the +65 °C upper limit; ensure proper ventilation; verify output polarity before connecting to the cabinet bus.
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