NXMS series Moulded-Case Circuit-Breaker
12
1. Flash barrier must be installed before operation.
2. Check if the wiring is correct.
3. After installation, the insulation resistance shall
be not less than 10 MΩ.
Figure 25 Flash barrier or protective guard
Insert in the direction of the
arrow on the flash barrier
K
A
K
A
Electric oper ating mechanism
Rated control supply voltage
ON
TRIPPED
OFF
PUSH
TO
TRIP
OFF
RESET
ZHEJIANG CHINT ELECTRICS CO., LTD.
Electric oper ating mechanism
Rated control supply voltage
ON
TRIPPED
OFF
PUSH
TO
TRIP
OFF
RESET
ZHEJIANG CHINT ELECTRICS CO., LTD.
B
B
1
B
2
T
Figure 24 Electric operating mechanism outline and installation size
Table 4 – NXMS series electric operating mechanism outline and installation size
Unit: mm
Size type
Size code
Product type
NXMS-160
NXMS-250
NXMS-400
NXMS-630
NXMS-1250
NXMS-1600
NXMS-1000
Outline size
Installation
size
K
B1
B2
T
A
B
90
116
53
97
30
130.5
90
116
60.5
97.5
35
142
130
176
88
154
44
194
130
176
88
154.5
70
243
130
176
88
156
70
314
7
Warranty
Under the normal storage and transportation conditions, if product packaging or product remains
intact, the product warranty period shall be 24 months from the date of production.