用途:
|
DZ20系列塑壳式断路器性能可靠、附件齐全、分断能力高，适用于交流50Hz，380V及以下的电路中，作过载、短路和欠电压保护之用，在正常情况下也可作为线路的不频繁转换及电动机的不频繁起动之用。 |
产品规格及基本参数
Product specification and basic technical parameter
● DZ20C-160,400 断路器的外形尺寸和安装尺寸及接线方式保持与 DZ10-100,250 相同，以适应老设备更换备件备品的需要。
● In order to suit the needs of replacing the old devices,the overall and installation dimensions ,and connection methods of DZ20C-160,400 Circuit Breakers remain same as those of DZ10-100,250 Circuit Breaker.
脱扣器方式及附件代号 Type of release and symbols for a ccessories
|
|
过电缆脱扣器方式
Type of release |
瞬时脱扣器
Instantaneous
release |
复式脱扣器
Complex
release |
|
过电缆脱扣器方式
Type of release |
瞬时脱扣器
Instantaneous
release |
复式脱扣器
Complex
release |
|
附件名称
Name of ccessory |
附件代号
Symbol of ccessory |
附件名称
Name of ccessory |
附件代号
Symbol of ccessory |
|
无
Non accessory |
200 |
300 |
分励脱扣器，报警触头
Shunt release,Alarm contact |
218 |
318 |
|
报警触头
Alarm contact |
208 |
308 |
二组辅助触头，报警触头
Two groups of auxiliary contacts,
Alarm contact |
228 |
328 |
|
分励脱扣器
Shunt release |
210 |
310 |
欠电压脱扣器，报警触头
Under-voltage release,Alarm contact |
238 |
338 |
|
二组辅助触头
Two groups of auxiliary contacts |
220 |
320 |
分励脱扣器，二组辅助触头，报警触头
Shunt release, Two groups of auxiliary contacts,Alarm contact |
248 |
348 |
|
欠电压脱扣器
Under-voltage release |
230 |
330 |
分励脱扣器，欠电压脱扣器，报警触头
Shunt release,Under-voltage release ,Alarm contact |
258 |
358 |
|
分励脱扣器，二组辅助触头
Shunt release, Two groups of auxiliary contacts |
240 |
340 |
四组辅助触头，报警触头
Four groups of auxiliary ,Alarm contact |
268 |
368 |
|
分励脱扣器，欠电压脱扣器
Shunt release,Under-voltage release |
250 |
350 |
欠电压脱扣器，二组辅助触头，报警触头
Under-voltage release, Two groups of auxiliary contacts, Alarm contact |
278 |
378 |
|
四组辅助触头
Four groups of auxiliary contacts |
260 |
360 |
|
|
|
|
二组辅助触头，欠电压脱扣器
Two groups of auxiliary contacts, Under-voltage release |
270 |
370 |
|
|
|
辅助触头和报警触头的技术参数
Technical parameter of auxiliary contacts and alarm contact.
|
适用
Suitable for |
额定工作电流
Rated operation current(A) |
约定发热电流
Conventional thermal current
Ith(A) |
|
AC380V |
DC220V |
|
Inm ≤ 250A |
0.4 |
0.15 |
3 |
|
Inm ≥ 400A |
3 |
0.2 |
6 |
|
报警触头
Alarm contact |
0.3 |
0.15 |
1 |
分励脱扣器和欠电压脱扣器技术参数
Technical parameter of shunt release and under-voltage release.
|
类型
Category of accessory |
线圈额定工作电压
Rated operation
voltage of coil
Ue |
动作电压
Operating voltage |
附注
Remark |
|
脱扣
Tripping |
不脱扣
Non Tripping |
|
分励脱扣器
Shunt release |
AC380V,220V
DC220V,110V |
(0.7~1.1)Ue |
-- |
不能连续工作
Can not work continuously |
|
欠电压脱扣器
Under-voltage release |
AC380V,220V |
(0.35~0.7)Ue |
≥ 0.85Ue |
-- |
|
产品类型： 
