FC-PSU-UNI2450 FC-PSU-UNI2450U
24 VDC Universal Safety Power Supply - Safety System Power Supply
Lifecycle note: Use the unit nameplate and current Honeywell documentation as final references before approving a replacement.
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+86 1535940827524 VDC Universal Safety Power Supply - Honeywell Safety Manager
Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U identifies the legacy and later 24 VDC universal Safety Manager power-supply versions. Honeywell lists UNI2450U as the replacement path for earlier UNI2450 versions.
The later supply includes dual over-voltage protection, continuous overload and short-circuit protection, a 1200 W current limit, a 100 ms hold-up time and an output diode for parallel operation.
Honeywell specifies an under-voltage alarm below 22 V and an expected 24 VDC output range of +30% to -15%. The FC version operates from -5 to +70 C.
Before upgrading, verify the installed version, AC input, cabinet wiring, parallel-supply arrangement, alarms, fan status and any additional components required by the Honeywell replacement guidance.
| Manufacturer | Honeywell |
|---|---|
| Complete model | FC-PSU-UNI2450 FC-PSU-UNI2450U |
| Product type | Safety System Power Supply |
| System family | Honeywell Safety Manager |
| Legacy model | FC-PSU-UNI2450 |
| Current replacement | FC-PSU-UNI2450U |
| Output voltage | 24 VDC |
| Output tolerance | +30% / -15% expected range |
| Maximum output power | 1200 W current-limited |
| Hold-up time | 100 ms |
| Under-voltage alarm | Below 22 V |
| Operating temperature | -5 to +70 C for FC version |
| Protection | Dual over-voltage, overload and short-circuit protection |
| Parallel operation | Output isolation diode |
Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U is a safety system power supply for the Honeywell Safety Manager. The UNI2450U is the documented later replacement for the UNI2450 24 VDC power supply.
Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U converts cabinet input power into protected 24 VDC for Safety Manager hardware and supports parallel operation.
Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U is used in Safety Manager cabinets requiring a robust 24 VDC system supply.
Honeywell documents 24 VDC output, +30%/-15% expected range, 1200 W current limiting, 100 ms hold-up and an under-voltage alarm below 22 V.
Honeywell FC-PSU-UNI2450U replaces specified UNI2450 versions, but the installed PSU version, cabinet components and alarm wiring must be checked.
Before installing Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U, verify the complete model and revision, mounting arrangement, power, field wiring, grounding and approved Safety Manager configuration.
Commission Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U under the approved Honeywell and site procedure. Prove its configured channels, diagnostics, communications and safety response before returning the system to service.
Do not substitute a similar suffix for Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U until the hardware revision, electrical interface, companion assembly and Safety Manager release are confirmed compatible.
Provide the complete Honeywell FC-PSU-UNI2450 FC-PSU-UNI2450U nameplate, version, serial number, companion hardware, Safety Manager release, quantity and destination.
Send the complete model, version, quantity, destination and nameplate photo. We will verify identification before confirming availability and lead time.
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