Product Main

Specifications

1.Application
GSB1Z-40 range miniature DC circuit breaker is mainly used in the DC electric circuits with the rated voltage of up to 250V and the rated working current of up to 40A for purposes of the protection of over-load; short-circuit as well as the non-frequently switching. This circuit breaker can be fitted with the auxiliary contacts, the alarm contacts and the field-exciter tripping, the alarm contacts and the field-exciter tripping accessories to realize the remote breaking-off and signal control functions.
2.Structure feature
This breaker use module design and can used with shunt trip and auxiliary contacts ect..
This product complies with the demands of the following standards:
IEC60947-2    Low-voltage Switchgear and Control Gear Part Ⅱ low-voltage breaker
GB14048.2     Low-voltage Switchgear and Control Gear low-voltage breakerThrough the CCC certification, the EU CE safety certification.
3.Type
Type
Instantaneous release type
Pole
Frame rated current
ln(A)(+30±20℃)
Rated operating current
GSB1Z-40
C
1P, 2P
40A
1, 2, 3, 6, 10, 16, 20, 25, 32, 40

4.Working condition dan installation condition
Environment temperature : -5℃~+40℃, the average hours of temperature exceeding +35℃ during 24 hours.
 Elevation: ≤2000m
There must be not any explosive medium and there must be not any gas which would corrode metal or any conducting dust which would destroy the insulation.
Products should be used in no significant impact and vibration place.
Installing categories: ClassⅡ, Ⅲ
Pollution protection: Grade 2
Installing condition: mounted by TH35-7.5 standard rail track.
5.Pasrameters
Basic technical parameters

Type
Pole
DC
Rated voltage
Ui
Rated insulation voltage
lcu
Breaking capacity
Operation performance
Operation frequency
Electrical life span
Machine life span
GSB1Z-40
1P
127V
500V
10 KA
10000times
20000times
120
2P
127/250V
20/10 KA

Over-current instantaneous action character
No.
Testing current
Order time
Initial state
Expectancy ending
Benchmark temperature
Note
Over-load protection character
1.05ln
1h
Cold state
not release
+30±2℃
——
1.3ln
1h
Heated state
release
+30±2℃
5s in the current trial will be stable up to the value of  the agreement.
Short-circuit protection character
7ln
0.1S
Cold state
not release
——
——
10ln
0.1s
Cold state
release
——
——

6.Order notice
Users need attention the entitle type, character and volume of breaker and accessories.Example: GSB1Z-40  20A/1P  breaker   200 sets.