德国MEN（MicroElectronicgmnhNurnberg）公司是的嵌入式主板、I/O板厂商，在产品的设计和生产上已有二十多年的历史，其3U、6U产品主要应用于测控、电力、电信、医疗、铁路、航空、政府部门等领域，从产品性能、质量到价格在市场上都占有非常大的优势。

PU20 - Wide-Range Power Supply Unit for Railway Systems, 24 to 110 VDC, 120 W
3U 6 HP PSU
3U, 6 HP, 19" rack mountable
Automatic input voltage range detection for 24, 72, 110 VDC
Configurable voltage range for 36, 48, 74, 96 VDC
Output power 120 W without derating
Holdup time 10 ms according to Class S2
Active power sharing
Inverse current protection
Redundant output voltage monitoring
H15 rear connector
-40 to +85 °C with qualified components
Conformal coating
Fully S-9401 compliant
Prepared for EN 50155 compliance
Prepared for SIL applications
PU21 - Wide-Range Power Supply Unit for Railway Systems, 100 to 240 VAC, 120 W
3U 6 HP PSU
3U, 6 HP, 19" rack mountable
Input voltage range of 100 to 240 VAC
Output power 120 W without derating
Holdup time 20 ms
Inverse current protection
Redundant output voltage monitoring
H15 rear connector
-40 to +85 °C with qualified components
Conformal coating
Fully EN 50155 compliant
Prepared for SIL applications
PU5 - Power Supply Unit, 110 VDC, 100 W
3U 12 HP PSU
3U, 12 HP, 19" rack mountable
Input 110 VDC nom. (77..137.5 V)
Max. input voltage range 66..154 V (according to EN 50155)
Output 3.3 V, 5 V, 12 V
Power 100 W
H15 DIN41612 plug connector (front and rear)
SMBus
External I/Os for key input function
Standby mode (< 1 W)
-40 to +85°C screened
Conformal coating
EN 50155 compliant (holdup time according to Class S2) (railways)

产品范围：
德国MEN嵌入式主板、MEN VME总线、MEN、MEN嵌入式计算机模块、MEN工业以太网交换机、MEN无线接口

主要型号：
F301 CPCI、F302 CPCI 、G301系列、G302系列、G303系列、RS1 IP67、RS2 IP67、 RS3 IP67、RS4 IP67、SF1-19 、SF2 19 、SF3 19、SF4 19