1756-PA75是艾伦-布拉德利标准电源。该模块安装在专用电源插槽上，位于任何ControlLogix机箱的最左侧。该电源的主要用途是提供安装在机箱上的每个模块所需的背板电源。该背板电源使模块进入工作状态。1756-PA75必须由外部电源供电才能运行。它与频率为47-63Hz的85-264VAC电压范围兼容，而标称输入电压为120VAC / 240VAc。该电源在0…+60°C(+32…+140°F)下工作时的额定输出功率为75 W，电流容量为3.3VDC的4A;5.1伏直流电时为13安，24伏直流电时为2.8安。
1756-PA75-B
1756-PA75与各种ControlLogix机箱兼容，例如1756-A4、1756-A7、1756-A10、1756-A13、1756-A17和机箱系列，尤其是B系列和c系列。如果1756-PA75的操作输入电源突然中断，该标准电源在85伏交流电下提供2个周期的持续时间，在120伏交流电下提供6赫兹6个周期，在22伏交流电下提供60赫兹20个周期此外，它还具有额定250V(连续)的隔离电压、加固绝缘型、背板型电源输入，在3500V DC下测试60秒1756-PA75需要硬件配置。Allen-Bradley 1756-PA75的电流容量为5.1V，为13A。该电源必须安装在1756机箱的左侧，并且有一个不可更换的保险丝，用于防止短路引起的火灾。1756-PA75旨在用于2级污染工业环境和过度I类应用中(如IEC 60664-1出版物中所定义)。请注意，1756-PA75电源可以在高达2000米的海拔高度下工作，而不会降额。
1756-PA75-B
1756-PA75 is an Allen Bradley standard power supply. This module is installed on a dedicated power slot, located on the far left side of any ControlLogix chassis. The main purpose of this power supply is to provide the backplane power required for each module installed on the chassis. The backplane power supply puts the module into a working state. 1756-PA75 must be powered by an external power source to operate. It is compatible with the 85-264VAC voltage range of 47-63Hz, with a nominal input voltage of 120VAC/240VAC. The rated output power of this power supply when operating at 0…+60 ° C (+32…+140 ° F) is 75 W, and the current capacity is 4A of 3.3VDC; 13 A at 5.1 V DC and 2.8 A at 24 V DC.
1756-PA75-B
1756-PA75 is compatible with various ControlLogix chassis, such as 1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17, and chassis series, especially B-series and C-series. If the operation input power of 1756-PA75 is suddenly interrupted, this standard power supply provides a duration of 2 cycles at 85 V AC, 6 cycles at 6 Hz at 120 V AC, and 20 cycles at 60 Hz at 22 V AC. In addition, it also has a rated isolation voltage of 250V (continuous), reinforced insulation type, and backplane type power input. Testing 1756-PA75 for 60 seconds at 3500V DC requires hardware configuration. The current capacity of Allen Bradley 1756-PA75 is 5.1V, which is 13A. The power supply must be installed on the left side of the 1756 chassis and have a non replaceable fuse to prevent fires caused by short circuits. 1756-PA75 is intended for use in Class 2 polluted industrial environments and excessive Class I applications (as defined in IEC 60664-1 publication). Please note that the 1756-PA75 power supply can operate at altitudes up to 2000 meters without derating.
1756-PA75-B
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