nader NDR3E-65 User manual

文件编号::NDT-02226
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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1 页共12 页
上海良信电器股份有限公司
Shanghai Liangxin Electrical Co., Ltd.
NDR3E-65/95 电子式过载继电器
NDR3E-65/95 electronic overload relay
(Product type& Product Name)
产品说明书
Product Manual
(IPD-ENG-DEV-T32 A0 2019-11-05)
编制
日期
审核
日期
会签
日期
批准
日期
王婷婷
于贻鹏
陈聪贤
2020.10.10
2020.10.13
2020.10.13
杨靖平
2020.10.14
王兴逢
2020.10.14

文件编号::NDT-02226
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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2 页共12 页
修订记录
版本
修订原因/内容
实施日期
编制人
审核人
批准人
0
新增 New addition
20201009
王婷婷
Tingting Wang
于贻鹏
Yipeng Yu
王兴逢
Xingfeng Wang

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第3 页共12 页
目录
1. 适用范围与用途/ Application scope........................................................................... 4
2. 型号说明/ Model and implication .............................................................................. 4
3. 技术参数/ Main technical parameters ....................................................................... 5
4. 工作环境/ Working conditions ..................................................................................... 8
5. 接线方式(接线图)/ Wiring Method........................................................................... 9
6. 产品外形及安装尺寸/ Shape dimension & Dimension ................................................. 9
7. 安装方式/ Mounting Method.........................................................................................11
8. 使用和维护/ Application & Maintenance...................................................................11
9. 主要事项/ Notices .......................................................................................................12

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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4 页共12 页
1. 用范围与用途/ Application scope
NDR3E-65/95 电子式过载继电器适用于交流 50Hz/60Hz、额定电压至 690V、电流 20A 至
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.
2. 型号说明/ Model and implication
ND R 3 E - □□ /□/□
1 2 3 4 5 6 7 8
序号
SN
序号说明
SN description
NDR3E 型号
NDR3E model
1
企业代号
Enterprise code
ND: 牌低压电器
brand low-voltage electrical appliance
2
产品代号
Product code
R: 过载继电器
R:Relay
3
设计序号
Design SN
3
4
过载方式
Overload mode
E: 电子式
E: Electronic
5
产品基型代号
Product basic-type code
65、95
6
整定电流规格代号 Setting
range code
见表 1
See Table 1
7
辅助触头工作电压
Rated operating voltage of the
auxiliary contact
0:230V(AC-15) 230V(DC-13)
1:400V(AC-15) 230V(DC-13)
8
辅助电源电压
Rated power supply
1:AC110V(±15%)50HZ/60HZ
2:AC220V(±15%)50HZ/60HZ
3:AC380V(±15%)50HZ/60HZ
表1 Table 1
电流规格代号
Setting range code
整定电流调节
范围
Setting current
range/A
与熔断器一同使用的熔
断器类型
Short circuit protection device
配套的接触器
型号
Contactor type
aM/A
gG/A
11(65 壳架)
(65frame)
20-50
100
160
NDC3-40~80
12(65 壳架)
(65frame)
32-80
100
160

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第5 页共12 页
11(95 壳架)
(95frame)
40-110
140
200
NDC3-95
3. 技术参数/ Main technical parameters
表2 Table 2
产品基型代号
Basic product code
NDR3E-65
NDR3E-95
整定电流范围
Setting range
20~80A
40~110A
额定绝缘电压及频率
Rated insulation voltage and frequency
690V,50Hz/60Hz
脱扣等级
Tripping class
10/20 可调
10/20 (adjustable)
主回路
接线
Main
circuit
wiring
capacity
无接线端子
的软导线 1根
Flexible
conductor (1
piece) without
terminals
最小/最
大截面
积
Minimum/
maximum
cross
section
2.5/25 mm2
4/35 mm2
有接线端子
的软导线 1根
Flexible
conductor (1
piece) with
terminals
2.5/25 mm2
4/35 mm2
无接线端子
的硬导线 1根
Solid conductor
(1 piece)
without
terminals
2.5/25 mm2
4/35 mm2
主回路端子紧固扭矩
Terminal tightening torque of the main
circuit
4N.m
6N.m
辅助电源电压
Power supply
110V、220/230V、380/400V(50Hz/60Hz)
辅助触头类型
Auxiliary contact type
1NC+1NO( 电气不分离 electrical without isolation)
NDR3E-38□/0/□
1NC+1NO(电气分离 electrical isolation) NDR3E-38□/1/□
辅助触头额定工作电压
Rated operating voltage of the auxiliary
contact
AC-15 230V/0.75A 400V/0.47A
DC-13 230V/0.1A
辅助回
路接线
无接线端子
的软导线 1根
最小/最
大截面
1/2.5 mm2

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第6 页共12 页
Auxiliary
circuit
wiring
capacity
Flexible
conductor (1
piece) without
terminals
积
Minimum/
maximum
cross
section
有接线端子
的软导线 1根
Flexible
conductor (1
piece) with
terminals
1/2.5 mm2
无接线端子
的硬导线 1根
Solid conductor
(1 piece)
without
terminals
1/2.5 mm2
辅助端子紧固扭矩 Auxiliary terminal
tightening torque
0.8N.m
表3 Table 3
动作特性
Action
features
序
号
SN
整定电流
Setting
current
动作时间
Trip time
起始条件
Initial conditions
周围空气温
度℃
Ambient air
temperature ℃
各相负载平
衡时
Load
balance of
each phase
1
1.05In
>2h
冷态
Cold state
-25℃~60℃
2
1.2In
<2h
接序 1试验后
Following the
sequence 1 test
3
1.5In
10 级(class 10)<
4min
20 级(class 20)<
8min
接序 1试验后
Following the
sequence 1 test
4
7.2In
10 级(class 10)4s<
Tp≤10s
冷态 Cold state
20 级(class 20): 6s
<Tp≤20s
冷态 Cold state
缺相保护
Phase
failure
protection
当一相或二相电
流I≥0.8In,剩余相
电流为 0时When
the one or
two-phase current
satisfies I≥0.8In
and the other-phase
failure
3~8s
冷态或热态
Cold state or warm
state

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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7 页共12 页
相不平衡保
护Phase
unbalance
protection
相不平衡率≥60%
时
When the phase
unbalance rate over
60%
30~40s
冷态或热态
Cold state or warm
state
锁定功能
Locking
function
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
necessary to perform the manual reset
当过载电流 I≥4In、故障时间≥ 8min、连续三次故障后锁定自动复位功能,需手
动复位
When the overload current satisfies I≥4In and the fault time is ≥ 8min,the automatic
reset function locked after failure for consecutive three times, it is necessary to
perform the manual reset
表4 指示灯状态与工况
Table 4 Indicator status and working condition
工况
Operating condition
指示灯状态
Indicator status
正常
Normal
绿灯常亮
Green light constantly on
过载、测试
Overload, test
绿灯均匀闪烁
Green light equal slow flashing
不平衡
Unbalance
缺相
Phase failure
过载脱扣
Overload tripped
红灯常亮
Red light constantly on
缺相脱扣
phase failure tripped
红灯快闪
Red light fast flashing
不平衡脱扣
Unbalance tripped
红灯慢闪
Red light low flashing
三次脱扣后锁定
Locked
红绿灯交替闪烁
Red light and green light alternately flashing
产品脱扣特性曲线 20±2℃Tripping characteristic curve of the product at 20±2℃
10 级产品脱扣曲线 Tripping characteristic curve of the class 10

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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
III 级Pollution level: 3
4.4 防护等级:
IP20 Protection grade: IP20
4.5 安装类别为 III
Installation Category: III
4.6 抗振性能: 5…300 Hz ,2gn
Anti-vibration performance: 5…300 Hz , 2gn
4.7 抗冲击性能: 1/2 正弦波 = 11ms,15gn
Shock t resistance: 1/2 sine wave = 11ms,15gn

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5. 接线方式(接线图)/ Wiring Method
NDR3E-□□/0/□电气线路图(电气不分离)
NDR3E-□□/0/□electrical circuit diagram(electrical without isolation)
NDR3E-□□/1/□电气线路图(电气分离)
NDR3E-□□/1/□electrical circuit diagram(electrical with isolation)
6. 产品外形及安装尺寸/ Shape dimension & Dimension
6.1 NDR3E-65 匹配 NDC3(GV)-4011(S) ~8011(S)/NDR3E-95 匹配 NDC3(GV)-9511(S)
外形、安装尺寸(mm)
Installation dimensions of NDR3E-65 with NDC3(GV)-4011(S) ~8011(S) contactor
Installation dimensions of NDR3E-95 with NDC3(GV)-9511(S) contactor

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6.2 NDR3E-65 匹配 NDC3(GV)-40 ~80/NDR3E-95 匹配 NDC3(GV)-95 外形、安装尺寸(mm)
Installation dimensions of NDR3E-65 with NDC3(GV)-40 ~80 contactor
Installation dimensions of NDR3E-95 with NDC3(GV)-95 contactor
型号 Type
a
b
c
d
e
NDC3-4011(S)~8011(S)+NDR3E-65
55±0.8
195.5±1.5
121.4±0.8
37.5±0.8
128±1
NDC3GV-4011(S)~8011(S)+NDR3E-65
55±0.8
195.5±1.5
127.9±0.8
37.5±0.8
128±1
NDC3-9511(S)+NDR3E-95
70±0.8
203.5±1.5
132±0.8
60±0.8
128±1
NDC3GV-9511(S)+NDR3E-95
70±0.8
203.5±1.5
140.6±0.8
60±0.8
128±1
型号 Type
a
b
c
d
e
NDC3-40~80+NDR3E-65
55±0.8
195.5±1.5
108.8±1
37.5±0.8
128±1
NDC3GV-40~80+NDR3E-65
55±0.8
195.5±1.5
115.3±1
37.5±0.8
128±1
NDC3-95+NDR3E-95
70±0.8
203.5±1.5
120.8±1
60±0.8
128±1

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7. 安装方式/ Mounting Method
直接插接在所配套的接触器上
Plugged with the contactor
8. 使用和维护/ Application & Maintenance
8.1 手自动复位拨码开关,左右拨动可使产品处于手动(M)或自动(A)复位的状态。
Make the product in the manual (M) or automatic (A) reset status by adjusting the
manual/automatic transfer dial switch in the left or right direction.
8.2 整定旋钮刻度盘,可进行调节
The setting current can be adjusted by the dial knob
8.3 脱扣等级转换拨码开关, 左右拨动可使产品处于 10 级或 20 级的状态。
Adjust the trip class transfer dial switch in the left or right direction can keep the product in the
class10 or class 20 status
NDC3GV-95+NDR3E-95
70±0.8
203.5±1.5
129.4±1
60±0.8
128±1
2:整定旋钮
Dial knob of
the setting
current
3:脱扣等级转换拨
码开关
Trip class
transfer switch
1:手自动复
位转换拨码
开关
Manual/autom
atic transfer
switch
5:状态指示
Indication
4:复位按钮
Reset button
6:停止按钮
Stop button

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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,按下按钮,NC 触头立马断开,NO 触头接通,
松开按钮,NC 触头恢复到原来的状态(停止用)。仅外接电源通电情况下,按下按钮约 4-6s,
NC 触头断开,NO 触头接通.(测试用)。
If the main circuit and the power supply are on normally, press the Stop button and the NC/NO
will switch to opposite status immediately until you release the button. On the other hand, if the
main circuit is off and only the power supply is on, the NO/NC will switch to opposite status till
you press the button 4~6s
9. 主要事项/ Notices
9.1 产品应安装使用在无明显冲击和振动的地方。
The product shall be installed and used in places without obvious vibration or shock.
9.2 安装接线可靠,应防止接线不良导致接线端子异常发热,引起产品受损。
Reliable installation is required to prevent the product from the abnormal over-heat damage due
to the poor wiring
9.3 产品自身的正常工作需要接通 A1、A2 辅助电源(即控制电源)。
Connect the A1 A2 power supply for normal use
9.4 产品出厂时整定在手动状态。
The product is set to the manual reset state when deliver.
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1
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