High‑efficiency 3-Phase DIN Rail Power Supply 48V DC / 5A
POWER 3AC 48-5
3-phase power supply with AC/DC input (320...575VAC/450...820VDC), 48VDC Output, 240W, 5A, Built-in DC OK relay contact, 150% peak load capability for 7s
功能Three‑phase DIN‑rail power supply, 240 W, 48 VDC output, adjustable voltage, high efficiency, wide temperature range, complete protections, DC OK relay, parallel operation up to 4 units.
特点- 内置浪涌电流限制
- 带电位器的可调输出电压
- 功率提升 150
- 并联操作
- 超薄尺寸
其他信息
The POWER 3AC 48-5 is a three‑phase AC/DC DIN‑rail power supply delivering 240 W at 48 VDC with an adjustable output range from 48 to 56 V and a rated current of 5 A, making it ideal for 48 V control, I/O, and drive systems. With a wide input range of 320...575 VAC (450...820 VDC) and the ability to withstand 600 VAC for 60 seconds without damage, it supports global three‑phase grids and robust industrial environments. The unit achieves up to 92.0% efficiency, operates from −30 to +70 °C (start‑up at −40 °C), and provides a 20 ms hold‑up time to ensure stable DC power under fluctuating mains conditions. Integrated protection functions including over‑voltage, over‑current, short‑circuit, and over‑temperature with auto‑recovery, as well as enhanced conformal coating and a built‑in DC OK relay contact, increase system availability and diagnostics capability. For higher power requirements, up to four units can be connected in parallel with active current sharing to achieve up to 960 W (3+1), while compliance with IEC/EN/UL 61010 and IEC/EN/UL 62368 safety standards and EMC class B emissions supports use in industrial control, semiconductor manufacturing, and renewable energy applications.
Parallel Use
POWER 3AC 48-5 has built-in active current sharing function and can be connected in parallel, up to 4 units, to provide
higher output power as exhibited below :
1. The power supplies should be paralleled using short and large diameter wiring and then connected to the load;
2. When parallel use, ensure that all P+ on the signal connectors of each power module are connected together,
and all P- also connected together;
3. Difference of output voltages among parallel units should be less than 0.2V.
内置浪涌电流限制
浪涌电流限制电路采用热敏电阻 (POWER 1AC 24-5)、晶闸管技术 (POWER 1AC 24-10) 或有源功率继电器电路 (POWER 1AC 24-20 / 48-10)。
带电位器的可调输出电压
顺时针转动内置电位器增加输出电压， 逆时针转动电位器则降低输出电压。
功率提升 150
5 秒钟 150% 的功率提升意味着电源可以在短时间内，特别是在 5 秒钟内，暂时提供其额定输出功率的 150%。当连接的负载偶尔需要比正常工作条件更高的功率时，该功能就非常有用。
并联操作
您可以在并联操作模式下使用电源以提高可用性，请在此应用中使用我们的功率二极管模块。
超薄尺寸
超薄尺寸，可以节省柜内空间
DC OK LED
如果输出电压降低，DC OK LED 将关闭。 在“正常”输出电压条件下，LED 亮起。
