95A 的电路中, 作三相交流电动机的过载、 断相和三相电流不平衡保护之用; 能与 NDC3-65/95 交流接触器组合成电机起动器。 NDR3E-65/95ectronic overload relays provide the overload、phase failure and unbalance protection for three-phase AC motors in the circuit with the AC 50Hz/60Hz, the rated voltage up to 690V and the current from 20A to 95A,they can be used as motor starters with the NDC3-65/95 AC contactors.
文件编号: :NDT-02226 文件版本:0 11(95 壳架) NDC3-95 40-110 (95frame) 3. 技术参数/ Main technical parameters 表 2 Table 2 产品基型代号 NDR3E-65 NDR3E-95 Basic product code 整定电流范围 20~80A 40~110A Setting range 额定绝缘电压及频率 690V,50Hz/60Hz Rated insulation voltage and frequency 脱扣等级 10/20 可调 10/20 (adjustable) Tripping class 无...
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文件编号: :NDT-02226 文件版本:0 积 Auxiliary Flexible circuit conductor Minimum/ wiring piece) without maximum capacity terminals cross 有 接 线 端 子 section 的软导线 1 根 Flexible 1/2.5 mm conductor piece) with terminals 无 接 线 端 子 的硬导线 1 根 Solid conductor 1/2.5 mm piece)
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文件编号: :NDT-02226 文件版本:0 相不平衡率≥60% 相不平衡保 时 冷态或热态 护 Phase When the phase 30~40s Cold state or warm unbalance unbalance rate over state protection 当一相或二相电流 I≥0.8In,剩余相电流为 0,连续三次故障后锁定自动复位功 能,需手动复位 When the one or two-phase current satisfies I≥0.8In with the other-phase current is 0 ,the automatic reset function locked after failure for consecutive three times, it is 锁定功能...
文件编号: :NDT-02226 文件版本:0 20 级产品脱扣曲线 Tripping characteristic curve of the class 20 4. 工作环境/ Working conditions 4.1 运行温度:-25℃~60℃。极限运行温度:-40℃~70℃,存储温度:-60℃~+80℃ Operating temperature: -25℃~60℃, extreme operating temperature: -40℃~70℃ ,Storage temperature: -60℃~80℃ 4.2 海拔条件:3000m, 5000m 需与制造厂协商 Altitude: The altitude of the installation site is under 3,000m. Negotiate with the manufacture when the altitude is up to from 3000m to 5000m 4.3 污染等级...
文件编号: :NDT-02226 文件版本:0 8.4 复位按钮,按下复位按钮可实现手动复位功能。可使 NC、NO 触头切换。 The contact can reset by pressing the reset button 8.5 状态指示,在正常使用中可指示继电器正常工作、 过载、缺相、相不平衡、锁定、脱 扣状态(具体见表) Indication LED light which can indicate the relay's normal operation 、 overload tripping 、 phase failure、phase unbalance、locked、tripped status(Refer to table 4) 8.6 停止按钮,主回路及外接电源通电情况下,...
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