1
Use Information
a）Ambient temperature for normal use: - 5 ℃ ~ + 40 ℃;
Note: if it is used within the temperature range of - 25 ℃ ~ + 70 ℃, please consult with the manufacturer.
b）If the altitude exceeds 2000m, please consult with the manufacturer;
c
）
See the product sample for the inverse time lag, temperature compensation curve and altitude
derating curve of the product;
d
）
Pollution degree: degree 3;
e
）
Main circuit installation category:
Ⅲ;
f
）
Degrees of protection provided by enclosure: IP30 (except wiring terminals);
g
）
Rated insulation voltage Ui: 800V (NXMS-160/250):
1000V (NXMS-400/630/1000/1250/1600).
01
NXMS series Moulded-Case Circuit-Breaker
2
Inspection and Test
Figure 1 Inspection
1. Determine
product technical
parameters;
2. Only qualified
and professional
technicians are
allowed for
installation,
operation and
maintenance.
Necessary tools
Cross screwdriver
Hex socket
Type
NXMS-160
NXMS-250
NXMS-1000
Screws
Nut
Flat
gasket
Spring
washer
PCS
M4×45
M4×90
M5×75
M6×90
M5×140
4
4
4
4
4
NXMS-400
NXMS-630
NXMS-1250
NXMS-1600
