NDM3 series of moulded case circuit breakers(Hereinafter referred to as the MCCBs), which is one of the self-developed new generation MCCB of Nader. According to the level of the rated ultimate short-c ircuit breaking capacity, the breaker can be classified into four types: Type C (Basic type), Type L (Stand ard type), Type M (Less high breaking type) and Type H (High breaking type).
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文件编号:NDT2920003 文件版本:6 H:高分断型 H: High breaking type 无代号:手柄直接操作 no code represents direct handle operation 操作方式 P:电动操作 P: represents motor operation Operation mode Z:转动手柄 Z: represents rotary handle operation 极数 3、4 Pole number 0:无脱扣器 0: represents frame only without trip unit 脱扣器代号...
文件编号:NDT2920003 文件版本:6 6. 产品外形及安装尺寸/ Shape dimension & Dimension 本产品可板前接线,也可板后接线,具体见图 1、图 2 This product can also be front plate connector, wiring on back of the board, specific see Figure 1, figure 图 1 板前接线/ Fig 1 Front connection NDM3-63~1600 图 2 板后接线/ Fig 2 Rear connection NDM3-63~250 NDM3-400~800 地址:上海市浦东新区申江南路...
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文件编号:NDT2920003 文件版本:6 续表 9/ Table 9(continued) 注:未注公差尺寸的极限偏差按 GB/T 1804-c。 Note: The limit deviation not indicated with the tolerance dimensions is as per GB/T 1804-c. 地址:上海市浦东新区申江南路 2000 号 邮编:201315 电话:(021)68586699 传真:(021)23025796 第 14 页 共 25 页...
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文件编号:NDT2920003 文件版本:6 6.1 安装在金属小柜中的绝缘距离(单位:mm),如下图: 6.1 Insulation distance mounted in the metal cabinet (unit: mm), as shown below: A(进线端到柜面) 安装距离 A (inlet wire end to the cabinet Mounting distance B(侧面到柜面距 face) C(出线端到柜面距离) 离) C (outlet wire end to 带端子罩 B (distance from 不带端子罩...
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文件编号:NDT2920003 文件版本:6 6.3 断路器叠装之间最小距离 6.3 Minimum center distance between stacked circuit breakers H(断路器上下距离) 型号 H (distance of circuit breaker from bottom) Specification 带端子罩 不带端子罩 With a terminal cover Without a terminal cover NDM3-63 NDM3-100 NDM3-125 NDM3-160 NDM3-250C NDM3-250 NDM3-400 NDM3-630 NDM3-800 NDM3-1600 注:1、电缆绝缘联接...
文件编号:NDT2920003 文件版本:6 7. 安装方式/ Mounting Method 7.1 绝缘测试 本断路器出厂前已按标准规定绝缘测试。安装前如进行复测,必须按如下步骤: ① 用 500VDC 兆欧表 ② 在断路器处于断开状态,对进出连接板 1-2、3-4、5-6 之间,和 1、3、5 连接板与外壳之间(外壳 用金属箔覆盖)分别进行。 ③ 对接至主电路的欠电压脱扣器,在进线与断路器外壳间。 ④ 绝缘电阻不小于 20MΩ。 7.2 安装 请安装在金属阻燃物上,断路器可垂直安装,也可以水平安装。 7..1 Insulation test Insulation test has been already carried out on the breaker according to standard before leaving factory.
文件编号:NDT2920003 文件版本:6 8. 附件说明书/ Accessory 8.1 欠压脱扣器 断路器带有欠压脱扣器时,应使欠电脱扣器先通电,断路器才允许合闸. 根据外挂欠电压模块上的接线端子编号接入电源(直流电源不必区分正负极) 当电源电压下降到欠压脱扣器额定工作电压的 70%~35% 范围内时,欠压脱扣器能可靠的分断断路器;当电源电压 低于欠压脱扣器额定工作电压的 35%时,欠压脱扣器能防 止断路器闭合;当电源电压高于欠压脱扣器额定工作电压 欠压脱扣器接线图 的 85%时,欠压脱扣器能保证断路器可靠闭合。 Wiring diagram of under-voltage release 8.1Undervoltage tripper When the breaker has an undervoltage tripper, the undervoltage tripper should be electrified, and then the breaker allows switch on. Power supply is accessed according to wiring connector number on the external undervoltage module (anode and cathode of DC power supply are not differentiated).
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文件编号:NDT2920003 文件版本:6 8.3 辅助触头、报警触头 8.3.1 辅助、报警触头接入相应外围控制电路 8.3 Auxiliary contact, alarm contact 8.3.1 Auxiliary and alarm contacts accessed into relative external control circuit/ 约定发热电流 分类 壳架电流(A) Ith(A)Conventional 额定工作电流 Ie(A) Category Frame current (A) thermal current Ith Rated working current Ie(A) 辅助触头 63-250 0.3(AC400V)/0.15(DC220V) Auxiliary contact...
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文件编号:NDT2920003 文件版本:6 8.5 手动操作机构 8.5.1 安装前,安装操作手柄的开关柜门按图开好孔,开孔 中心离铰链距离大于 200 mm。 8.5.2 把已在面盖上固定好操作机构的断路器安置于安装板上,并稍作固定。 8.5.3 把操纵杆方轴固定于操作机构上安置方轴的方孔内。 8.5.4 关上开好孔的门板,调整断路器的位置,使方轴中心与手柄开孔中心一致。 8.5.5 打开开关柜门板,当转动手柄“OFF”指示在水平位置时固定好手柄。 8.5.6 合上安装好转动手柄的开关柜门板,试着操作手柄,转动应灵活自如,并且手柄在水平位置时,断 路器应分闸,手柄在垂直位置时,断路器应合闸。 8.5 Manual operating mechanism 8.5.1 Before installation, a switch cabinet door for installing operating handle is holed in accordance with the diagram. Distance between the holed part and the hinge is greater than 100 mm.
文件编号:NDT2920003 文件版本:6 9. 使用和维护/ Application & Maintenance 9.1 运行前检查和准备 运行前应检查以下各项 (1)核对接线是否正确,见第 7 点接线方式图。 (2)确认端子间或暴露的带电部分没有短路或对地短路情况。 (3)确认端子连接和固定螺钉均应紧固无松动 (4)断路器带有欠电压脱扣器,应使脱扣器先通电,断路器才允许合闸。 9.1 Examination and preparation before working The following items should be examined before working (1)Check whether wiring is right; see the seventh wiring diagram. (2)Make sure that there is no short circuit on the part between every two terminals or on exposed electrified parts or no short circuit.
文件编号:NDT2920003 文件版本:6 (2)清除断路器表面及连接处的灰尘(用清洁、干燥的抹布擦拭); (2)清除断路器表面及连接处的灰尘(用清洁、干燥的抹布擦拭); (3)清洁隔弧板,如必要则需要更换隔弧板; (4)检查所有连接情况,用砂布擦除氧化物,用可溶解剂清洁,拧紧螺栓和螺母; (5)如果断路器还装有其它内、外部附件,应逐一检查各个附件,以确保其处于正常工作状态。 (按照 8 附件说明详细内容进行测试) Maintenance and check should be finished by professional technicians. To guarantee quality, the company provide internal and external accessories to customer according to the subscribed type. The company is free from responsibility if the customer purchases or refits internal and external accessories by himself.
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文件编号:NDT2920003 文件版本:6 10.1Installation precautions (1)Main body, baseboard (for back-panel wire connection), base (for insertion wire connection) of the breaker are fixed on an installation panel. (2)An energy storage element on the internal circuit board of the NDM3ZB breaker is electrified, please do not open it by yourself.
文件编号:NDT2920003 文件版本:6 and after-sales service are explained in the followings: Warranty period The company is responsible for free maintenance or exchange within 18 months from the delivery date at the following premises: the user abides by preservation and use rules; seal on the breaker is complete;...
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