Honeywell FC-PSU-UNI2450U V2.1 50 安 24V 通用电源模块 Safety Manager/FSC 安全系统供电备件

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Update time : 2026-07-09

Basic Information

Brand: Honeywell Original USA, Safety Manager FSC SIS dedicated power supply unit

品牌：霍尼韦尔美国原厂，Safety Manager/FSC SIS 安全系统专用电源单元

Model: FC-PSU-UNI2450U, Hardware Version V2.1

型号：FC-PSU-UNI2450U，硬件版本 V2.1

Product Type: Universal Wide Input High Current 24VDC Industrial Power Supply Module

产品类型：通用宽输入大电流 24VDC 工业电源模块

Compatible System: Honeywell Safety Manager, FSC Fail Safe Control SIS safety instrumented system

适配系统：霍尼韦尔 Safety Manager、FSC 故障安全控制 SIS 安全仪表系统

Mounting Method: Standard cabinet fixed mounting with base bracket

安装方式：配套底座支架控制柜固定安装

Module Type Introduction

FC-PSU-UNI2450U V2.1 is a high-power safety-grade switching power supply customized for Honeywell SIS safety control systems. It converts universal AC mains voltage into stable 24VDC power to supply safety controllers, TMR redundant cards, field I/O modules and explosion-proof site instruments. The V2.1 version optimizes heat dissipation structure and EMI filter circuit, with stronger anti-interference ability under high current continuous operation. It supports multi-unit N+1 redundant hot parallel, automatic load sharing and fault seamless switching, no power interruption for safety loops. It is irreplaceable core power spare part for chemical, oil & gas and power plant safety interlock systems.

FC-PSU-UNI2450U V2.1 是为霍尼韦尔 SIS 安全控制系统定制的大功率安全级开关电源，将通用交流市电转换为稳定 24VDC 电力，为安全控制器、TMR 冗余卡件、现场 IO 模块及防爆现场仪表集中供电。V2.1 版本优化散热结构与 EMI 滤波回路，大电流连续运行下抗干扰性能更强；支持多台 N+1 冗余热并联，自动均流、故障无缝切换，安全回路供电无中断，是化工、油气、电厂安全联锁系统不可替代的核心供电备件。

Core Functions

Universal wide AC input range 110~240VAC 50/60Hz, automatic voltage adaptation without manual adjustment
110~240VAC 宽幅通用交流输入 50/60Hz，电压自适应无需手动调节
High-capacity stable DC output, 24/25/28VDC adjustable, max 50A continuous output current
大容量稳定直流输出，24/25/28VDC 可调，最大 50A 持续输出电流
Support 1+1 / N+1 redundant parallel hot standby, automatic load balance, faulty unit offline without power loss
支持 1+1/N+1 冗余并联热备，自动均流，故障单元离线不中断供电
Multi-layer hardware protection: overvoltage, overcurrent, short circuit, over-temperature, reverse input surge protection
多层硬件防护：过压、过流、短路、超温、输入反接浪涌全回路保护
Real-time self-diagnosis monitoring, front panel LED indicators display power normal, overload, overheat and internal failure
实时硬件自诊断，面板 LED 指示灯实时显示正常、过载、超温、内部故障状态
High efficiency power conversion ≥88%, low heat generation, reduce cabinet heat load and extend service life
转换效率≥88%，低发热，降低机柜散热负荷，延长整机使用寿命
Standard signal alarm contact, upload power fault signal to DCS/SCADA for remote monitoring
标准故障报警触点输出，将电源异常信号上传 DCS/SCADA 远程监控

Electrical Specifications

AC Input Range: 110~240VAC, 47~63Hz

交流输入范围：110~240VAC，47~63Hz

DC Output Voltage: 24VDC / 25VDC / 28VDC adjustable

直流输出电压：24VDC/25VDC/28VDC 可调

Max Continuous Output Current: 48A@25VDC, 43A@28VDC, peak 50A

最大持续输出电流：25VDC 工况 48A，28VDC 工况 43A，峰值 50A

Power Conversion Efficiency: ≥88%

转换效率：≥88%

Ripple Noise: Less than 40mVpp low output ripple

纹波噪声：输出纹波小于 40mVpp

Parallel Redundancy: Support multiple units parallel current sharing

冗余并联：支持多台并联自动均流

Hardware Protection: Overvoltage lockout, short circuit auto-recovery, over-temperature shutdown

硬件保护：过压闭锁、短路自动恢复、超温停机保护

Mechanical & Environmental Data

Overall Dimensions: 420.5 × 140 × 90mm

整机尺寸：420.5 × 140 × 90mm

Total Weight: Approx 5.7kg

整机重量：约 5.7kg

Protection Class: IP20, only installed inside indoor control cabinet

防护等级：IP20，仅限室内控制柜安装

Operating Temperature: -5℃ ~ +50℃, current derating above 50℃

工作温度：-5℃ ~ +50℃，50℃以上输出电流降额使用

Storage Temperature: -40℃ ~ +70℃

存储温度：-40℃ ~ +70℃

Relative Humidity: 5%~95% RH non-condensing

相对湿度：5%~95% RH，无冷凝

Cooling Mode: Built-in cooling fan with temperature intelligent speed regulation

散热方式：内置温控调速散热风扇

Certifications: CE, UL508, IEC61508 SIL2 safety certification, industrial EMC standard

认证资质：CE、UL508、IEC61508 SIL2 安全认证、工业电磁兼容标准

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