以下是西门子 3KD 负荷隔离开关其他型号
型号 | 订货号
面价
折扣价
库存
货期
数量
3KD-负荷隔离开关 | ||||||||
标准 | IEC 60947-1, IEC 60947-3, GB/T 14048.3-2017 | |||||||
型号 | 3KD01...G... | 3KD02...G... | 3KD03...G… | 3KD03...L... | 3KD04...L... | 3KD05...L... | 3KD06...L... | |
规格 | 1 | 2 | ||||||
极数 | 3P/4P | 3P | 3P/4P | |||||
通用技术参数 | ||||||||
额定连续电流Iu | A | 16 | 32 | 63 | 63 | 80 | 100 | 125 |
约定发热电流Ith1) | A | 16 | 32 | 63 | 63 | 80 | 100 | 125 |
额定电压Ue | ||||||||
At 50/60Hz AC V 690 | V | 690 | 415 | 690 | ||||
At DC-2个开关极串联 | V | - | ||||||
At DC-3个开关极串联 | V | - | ||||||
额定绝缘电压Ui | V | 750 | ||||||
额定冲击耐压Uimp | KV | 8 | ||||||
过电压类别 | Ⅲ | |||||||
污染等级 | 3 | |||||||
运行和短路参数 | ||||||||
额定电流Ie | ||||||||
At AC-21A, AC-22A, 400V 690 | A | 16 | 32 | 63 | 63 | 80 | 100 | 125 |
At AC-23, 400V | A | 16 | 32 | 63 | 63 | 75 | 80 | 90 |
At AC-23, 500V | A | 14 | 17 | - | 22 | 30 | 35 | 39 |
At AC-23, 690V | A | 14 | 17 | - | 22 | 30 | 35 | 39 |
At DC-21A, 220/440V | A | - | - | - | - | - | - | - |
At DC-22A, 220/440V | A | - | - | - | - | - | - | - |
At DC-23A, 220/440V | A | - | - | - | - | - | - | - |
电机开断能力 AC-23A | ||||||||
At 400V | KW | 7.5 | 15 | 30 | 30 | 37 | 45 | 45 |
At 500V | KW | 11 | 15 | - | 18.5 | 22 | 30 | 30 |
At 690V | KW | 11 | 15 | - | 18.5 | 22 | 30 | 30 |
额定短时耐受电流Icw ( t=1s, rms值 , 1000VAC/440VDC) | KA | 1.26 | 2.5 | |||||
额定短路接通能力 I (峰值) Icm (at 400VAC) | KA | 1.78 | 3.55 | - | ||||
上游带熔断器时的额定电流 ( at 690VAC/440VDC ) | A | 16 | 32 | 63 | 63 | 80 | 100 | 125 |
上游带熔断器时的额定条件短路电流Iq | ||||||||
At 400 | KA | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
At 500V/690VAC | 50 | 50 | - | 50 | 50 | 50 | 20 | |
上游带熔断器时的最大允通电流Ic | ||||||||
At 400 | KA | 3.7 | 3.7 | 7 | 10 | 10 | 10.5 | 10.5 |
At 500V/690VAC | 3.7 | 3.7 | - | 7 | 7 | 7 | 7 | |
上游带熔断器时的最大允通电流I2t值 | ||||||||
At 400 | KA2S | 6.4 | 6.4 | 24 | 80 | 80 | 80 | 130 |
At 500V/690VAC | 5.8 | 5.8 | - | 75 | 75 | 57 | 130 | |
Ith时每极功耗 | W | 0.3 | 1.2 | 4.5 | 3.1 | 5 | 7.7 | 12 |
使用寿命、运行周期 | ||||||||
机械寿命 | 100000 | |||||||
电寿命,at AC-23A, 690V/50...60Hz | 6000 | 6000(at415V) | 6000 | |||||
电寿命,at DC-23A, 220/440V | - | |||||||
防护等级 | ||||||||
柜内带保护盖或电缆连接护盖 | IP10 | |||||||
不带保护盖或电缆连接护盖 | IP10 | |||||||
环境条件 | ||||||||
工作时 | °C | -5/+40 | ||||||
贮存时 | °C | -25/+55 | ||||||
安装位置 | 任意 | |||||||
主导线连接 | ||||||||
最大导线截面积 | mm2 | 1x(2,5...35) | 1x(4...50) | |||||
母线系统最大尺寸(数量x宽x厚) | ||||||||
扁平连接 | mm | - | ||||||
盒式端子 | - | |||||||
扭矩 | ||||||||
扁平连接 Nm -- 15...22 | Nm | - | ||||||
盒式端子 | 2.5...3 |