UES250-SPAZ-OP
The UES250-SPAZ-OP is a high-reliability open frame power supply designed by UE Electronic, a 30+years power brand known for rigorous engineering, a complete EMC laboratory, and full in-house verification. This model ensure stable output for ITE and medical environments. It integrates robust I.T.E power supply design principles, optimized switching power supplies architecture, and safety-focused open frame AC DC performance. Optional power supply with fan configurations enhance long-term operation in demanding applications, supporting both industrial and medical industry power supply use cases.
- 符合通讯,医疗安全认证
- 2 MOPP隔离保护
- 漏电流 ≤ 100μA
- 符合六级能效
- 待机功耗≤0.5W
- 工作海拨高度5000米
- 150W 对流冷却,250W 强制风冷由用户提供
产品特性
| 输入电压 | 80-264VAC(80-115VAC 参考降额曲线 ) | 工作温度 | -30~70℃ (30- 70℃参考降额曲线 ) | ||||||||
| 输入电流 | 120A,在240VAC 输入条件下 | 储存温度 | -40~80℃ | ||||||||
| 输出电压范围 | ±5% | 工作湿度 | 5~90% RH, 非冷凝 | ||||||||
| 待机功耗 | ≤0.5W | 平均故障间隔时间 | >100,000hrs MIL-HDBK-217,在25℃环境温度下。 | ||||||||
| 重量 | 480g | 机械规格 | 101.6(L) 50.8(W) 35.3(H)mm | ||||||||
| 应用场所 | 适用于医疗、I.T.E.设备类电源适配器 | 安规标准 | 符合CB(IEC60601-1/IC62368-1)、TUV Mark(EN60601-1)、NRTL(ANSI/AAMI ES60601-1,CAN/CSA-C22.0NO.60601-1/UL62368-1) | ||||||||
| 型号 | 电压 (V) | 对流电流 (A) | 额定功率 (W) | 纹波 (最大) mVpk-pk | 电压公差 | 线性与负数调整率 | 平均效率 | 启动延迟时间 |
| UES250-XXXYYYSPAZ-OP(*3) | 12.0 | 12.50 | 150.00 | 150 | ±5% | 线性调整率: ±1% 负载调整率: ±5% | 92% | ≤3s |
| 15.0 | 10.00 | 150.00 | 150 | 92% | ≤3s | |||
| 18.0 | 8.33 | 149.96 | 150 | 92% | ≤3s | |||
| 19.0 | 7.89 | 149.91 | 200 | 93% | ≤3s | |||
| 24.0 | 6.25 | 150.00 | 200 | 93% | ≤3s | |||
| 36.0 | 4.16 | 149.76 | 300 | 93% | ≤3s | |||
| 48.0 | 3.12 | 149.76 | 300 | 94% | ≤3s | |||
| 54.0 | 2.77 | 149.58 | 300 | 94% | ≤3s | |||
| 型号 | 电压 (V) | 对流电流 (A) | 额定功率 (W) | 纹波 (最大) mVpk-pk | 电压公差 | 线性与负数调整率 | 平均效率 | 启动延迟时间 |
| UES250-XXXYYYYSPAZ-OPTF(*4) | 12.0 | 20.83 | 249.96 | 150 | ±5% | 线性调整率: ±1% 负载调整率: ±5% | 92% | ≤3s |
| 15.0 | 16.66 | 249.90 | 150 | 92% | ≤3s | |||
| 18.0 | 13.88 | 249.84 | 150 | 92% | ≤3s | |||
| 19.0 | 13.15 | 249.85 | 200 | 93% | ≤3s | |||
| 24.0 | 10.41 | 249.84 | 200 | 93% | ≤3s | |||
| 36.0 | 6.94 | 249.84 | 300 | 93% | ≤3s | |||
| 48.0 | 5.20 | 249.60 | 300 | 94% | ≤3s | |||
| 54.0 | 4.62 | 249.48 | 300 | 94% | ≤3s | |||
待机功率 风扇 | 5.0 12.0 | 0.15 0.25 | 0.75 3.0 | 120
| ||||
(*3)“Z”代表“1”或“2”:“1”指II类标准,用于2PIN输入;“2”指I类标准,用于3PIN输入。
(*4) “-OPTF”代表封闭式,顶部带风扇。
Overview
The UES250-SPAZ-OP is engineered as a versatile open frame power supply platform supporting both ITE and medical system integration. Built based on UE Electronic’s strong R&D capability and comprehensive test environment, it ensures dependable operation in long-term professional applications.
Medical Applications
Designed to meet the rigorous requirements of medical power supplier environments, the UES250-SPAZ-OP serves as a reliable medical industry power supply for critical equipment. It is engineered to support devices such as patient monitoring systems, portable ultrasound machines, infusion pumps, and laboratory analyzers, which often demand highly stable voltage outputs like open frame power supply 24v or open frame power supply 12v. Its design prioritizes low noise, minimal electromagnetic interference (EMI), and safety isolation—key parameters include 2 MOPP isolation protection, leakage current below 100 µA, and compliance with medical safety standards such as IEC 60601-1. This makes it an ideal open frame AC DC solution for precision medical electronics where reliability is paramount.
Communication Applications
For communication infrastructure, this model complies with industry I.T.E power supply standards, ensuring stable and uninterrupted performance in sensitive environments. It is well-suited for powering network routers, switches, optical transmission equipment, and base-station auxiliary systems. The switching power supplies architecture is optimized for efficiency and thermal management, with key features including input voltage range of 80-260 VAC, working temperature:-30-70°C (30-70°C refer to derating curve), storage temperature: -40~80°C and working humidity 5~90% RH, non-condensing. Additionally, its built-in power supply voltage switch protection mechanism safeguards connected devices from voltage anomalies, supporting continuous operation in demanding communication facilities.
General Use
In industrial and commercial settings, the UES250-SPAZ-OP offers versatile open frame AC DC performance for a wide range of applications. It is commonly used in automation control cabinets, PLC systems, test and measurement instruments, and commercial display arrays. The optional power supply with fan configuration enhances thermal dissipation, and supporting continuous full-load output. With efficiencies exceeding 92%( 92% - 95%) and protections against over-current, over-voltage, and short-circuit conditions, this model provides a dependable and adaptable power solution for integrated system designs.
Q1: What is the UES250-SPAZ-OP and what are its main applications?
A: The UES250-SPAZ-OP is a 250W universal high-performance open frame AC DC power supply. Its design makes it ideal for powering both medical and IT communication equipment. As a certified medical power supplier, it is perfect for devices like medical monitors, blood analyzers, and imaging systems. It also serves as a reliable I.T.E. power supply for servers, network switches, and other 24/7 data communication devices.
Q2: What output voltage options are available?
A: This series provides 12 – 54V output voltages to match different equipment needs. It is available as an open frame power supply 24v and an open frame power supply 12v, among other options, offering flexibility for system design.
Q3: How is the cooling managed for this power supply?
A: The UES250 series offers two cooling modes to suit different power and environmental needs. The base 150W model uses natural convection cool. For full 250W output, it operates as a power supply with fan, utilizing forced air cooling for efficient heat dissipation in demanding applications.
Q4: What key safety features make it suitable for the medical industry?
A: It is designed as a true medical industry power supply. It meets the stringent IEC 60601-1 standard, featuring 2 MOPP (Means of Patient Protection) isolation and an ultra-low leakage current of ≤100µA, which is critical for patient safety . This ensures it can be safely integrated into medical devices.
Q5: Does it also meet standards for IT equipment (ITE)?
A: Yes, in addition to medical certification, it is fully compliant with the IEC 62368-1 safety standard for Information Technology Equipment (ITE) . This dual certification makes it a versatile and compliant choice for mixed-use or communication environments.
Q6: What are the key electrical specifications and efficiency?
A: It features a wide universal AC input range (compatible with global mains voltages), high average efficiency, and a very low standby power consumption of ≤0.5W . These switching power supplies are built for reliable, energy-saving operation.
Q7: What protection mechanisms are built-in?
A: The unit includes comprehensive protection against output short circuits, overloads, and overvoltage conditions . While not a user-operated power supply voltage switch, these internal electronic protections safeguard both the power supply and the connected equipment from damage.
Q8: How reliable is this power supply for critical applications?
A: It is engineered for exceptional reliability. The calculated Mean Time Between Failures (MTBF) exceeds 1,000,000 hours at full load under the Telcordia SR-332 standard . This makes it a dependable foundation for systems that require uninterrupted operation.
Q9: What are its environmental operating limits?
A: It is built to perform in harsh conditions, with an operating temperature range from -30°C ~ 70°C and the ability to function at altitudes up to 5000 meters.
Q10: What are the physical dimensions of the unit?
A: As a standard open frame power supply, it has a compact form factor designed for easy integration into end equipment. Specific mechanical dimensions should be confirmed in the product’s detailed datasheet and feel free to contact us.
| 输入电压 | 80-264VAC(80-115VAC 参考降额曲线 ) | 工作温度 | -30~70℃ (30- 70℃参考降额曲线 ) | ||||||||
| 输入电流 | 120A,在240VAC 输入条件下 | 储存温度 | -40~80℃ | ||||||||
| 输出电压范围 | ±5% | 工作湿度 | 5~90% RH, 非冷凝 | ||||||||
| 待机功耗 | ≤0.5W | 平均故障间隔时间 | >100,000hrs MIL-HDBK-217,在25℃环境温度下。 | ||||||||
| 重量 | 480g | 机械规格 | 101.6(L) 50.8(W) 35.3(H)mm | ||||||||
| 应用场所 | 适用于医疗、I.T.E.设备类电源适配器 | 安规标准 | 符合CB(IEC60601-1/IC62368-1)、TUV Mark(EN60601-1)、NRTL(ANSI/AAMI ES60601-1,CAN/CSA-C22.0NO.60601-1/UL62368-1) | ||||||||
| 型号 | 电压 (V) | 对流电流 (A) | 额定功率 (W) | 纹波 (最大) mVpk-pk | 电压公差 | 线性与负数调整率 | 平均效率 | 启动延迟时间 |
| UES250-XXXYYYSPAZ-OP(*3) | 12.0 | 12.50 | 150.00 | 150 | ±5% | 线性调整率: ±1% 负载调整率: ±5% | 92% | ≤3s |
| 15.0 | 10.00 | 150.00 | 150 | 92% | ≤3s | |||
| 18.0 | 8.33 | 149.96 | 150 | 92% | ≤3s | |||
| 19.0 | 7.89 | 149.91 | 200 | 93% | ≤3s | |||
| 24.0 | 6.25 | 150.00 | 200 | 93% | ≤3s | |||
| 36.0 | 4.16 | 149.76 | 300 | 93% | ≤3s | |||
| 48.0 | 3.12 | 149.76 | 300 | 94% | ≤3s | |||
| 54.0 | 2.77 | 149.58 | 300 | 94% | ≤3s | |||
| 型号 | 电压 (V) | 对流电流 (A) | 额定功率 (W) | 纹波 (最大) mVpk-pk | 电压公差 | 线性与负数调整率 | 平均效率 | 启动延迟时间 |
| UES250-XXXYYYYSPAZ-OPTF(*4) | 12.0 | 20.83 | 249.96 | 150 | ±5% | 线性调整率: ±1% 负载调整率: ±5% | 92% | ≤3s |
| 15.0 | 16.66 | 249.90 | 150 | 92% | ≤3s | |||
| 18.0 | 13.88 | 249.84 | 150 | 92% | ≤3s | |||
| 19.0 | 13.15 | 249.85 | 200 | 93% | ≤3s | |||
| 24.0 | 10.41 | 249.84 | 200 | 93% | ≤3s | |||
| 36.0 | 6.94 | 249.84 | 300 | 93% | ≤3s | |||
| 48.0 | 5.20 | 249.60 | 300 | 94% | ≤3s | |||
| 54.0 | 4.62 | 249.48 | 300 | 94% | ≤3s | |||
待机功率 风扇 | 5.0 12.0 | 0.15 0.25 | 0.75 3.0 | 120
| ||||
(*3)“Z”代表“1”或“2”:“1”指II类标准,用于2PIN输入;“2”指I类标准,用于3PIN输入。
(*4) “-OPTF”代表封闭式,顶部带风扇。






















