ABB NTCL01端子板
ABB NTCL01端子板中文资料：
ABB NTCL01端子板1.这些是宽范围电源，可以在50/60 Hz下从100 VAC到240 VAC的标称范围内的交流电源运行。对于85 VAC至264 VAC的总最大范围，这可能会变化-15%至+10%。这些是自动测距电源，在选择电源电压时不需要跳线或开关设置。2.将火线和中性线或线L1和L2连接到端子板上的上两个端子。将安全接地线连接到接地端子，ABB NTCL01端子板该端子是从顶部起的第三个端子，并标有接地符号。3.对于具有六个端子的电源，应将第三和第四端子之间的工厂跳线（参见下图）留在原位，以便正常安装。但是，必须拆除该跳线，并在带有“浮动中性”输入的装置中安装外部浪涌抑制器。有关详细信息，请参阅本章后面的“浮动中性（IT）系统的特殊说明”一节。4.完成与电源端子板的所有连接后，应小心地重新安装保护盖板。ABB NTCL01端子板
英文资料
1. These are wide range supplies that can operate from an AC power source within the nominal range of 100 VAC to 240 VAC at 50/60 Hz. This may vary -15% to +10% for a total maximum range of 85 VAC to 264 VAC. These are auto-ranging supplies that do not require jumper or switch settings for selection of power source voltage. 2. Connect the hot and neutral wires or lines L1 and L2 to the upper two terminals on the terminal board. Connect the safety ground wire to the ground terminal, which is the third terminal from the top, and is marked with a ground symbol. 3. For power supplies with six terminals, the factory jumper between the 3rd and 4th terminals (see figure below), should be left in place for normal installations. However, this jumper must be removed and external surge suppressors installed in installations with a “Floating Neutral” input. Please see the section “Special Instructions for Floating Neutral (IT) Systems” later in this chapter for details. 4. After all connections to Power Supply terminal board have been completed, the protective cover plate should be carefully reinstalled.
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