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..
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
4.Working condition dan installation condition
Environment temperature : -5℃~+40℃, the average hours of temperature exceeding +35℃ during 24 hours.
5.Pasrameters
Basic technical parameters
Over-current instantaneous action character
6.Order notice
Users need attention the entitle type, character and volume of breaker and accessories.Example: GSB1Z-40 20A/1P breaker 200 sets.
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.

