文件编号：
NDT2920003
文件版本：
6
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
5
页
共
25
页
H：高分断型 H: High breaking type
6
操作方式
Operation mode
无代号：手柄直接操作
no code represents direct handle operation
P:电动操作 P: represents motor operation
Z:转动手柄 Z: represents rotary handle operation
7
极数
Pole number
3、4
8
脱扣器代号
Release form code
0：无脱扣器 0: represents frame only without trip unit
2：仅有瞬时脱扣器 2: represents magnetic only
3：复式脱扣器 3: represents both thermal and matnetic
9
附件代号
Accessory code
参见表 1 see table 1
10
用途代号
For Application code
无代号:配电型 no code represents Power distribution
2：电动机保护型 2: represents motor protection
11
4 极产品中 N 极(中性极)
形式
N-pole type of four pole
product below
A：N 极不安装过电流脱扣器，且 N 极始终接通
A：N-pole is always close without overload release
B：N 极不安装过电流脱扣器，且 N 极与其它三极一起合分
B：N-pole is open or close together with other three poles and
without overload release
C：N 极安装过电流脱扣器，且 N 极与其它三极一起合分
C：N-pole is open or close together with other three poles and
with overload release
12
特殊用途
Special purpose
Q：检有压自复式功能(除 NDM3-160/1600 外)
Q：Self-compound function with pressure detection
(except NDM3-160/1600))
13
特殊功能代号
Special function code
I：过载报警不脱扣功能(除 NDM3-63/100/160/1600)
I：The overload alarm not tripped(except
NDM3-63/100/160/1600
)
14
额定电流
Setting current
额定电流 Setting current
15
接线方式
Cabling type
无代号：常规产品 No code:Normal product
P：联接排 P:Extended busbar
Z1：板后接线 Z1:Rear-plate connection
Z2H：插入式板后接线
Z2H: plug-in rear-plate connection
Z2Q：插入式板前接线
Z2Q: plug-in front -plate connection
Z3H：插入式板后接线一体式
Z3H: Integrated plug-in rear-plate connection
Z3Q：插入式板前接线一体式
Z3Q: Integrated plug-in front -plate connection
