Claire
Mr.Fu
Claire
SJK47-125 MCB Miniature circuit breaker DIN Rail Mountable
Type Designation
| 1 | Circuit Breaker Model Number |
| 2 | Design Code |
| 3 | Frame Size Rated Current |
| 4 | Number of Poles (Arabic numerals, Neutral pole markedas N) |
| 5 | Instantaneous Release Type (C, D) |
| 6 | Rated Current Value |
product Display
Panel Overview
Describe:
1: Power Supply Terminal
2: Company Logo
3: Model Number
4: Rated Current: 63A,80A,100A,125A
5: Rated Voltage: 230V (1P) /400V
6: Rated Frequency
7: compliance standards
8: Rated Breaking Capacity
9: Contact Indication
10: Wiring Diagram 11: Load side
Technical Parameters
| Set Current | Rated Current (A) | Number of Poles | Rated Voltage (V) | Ultimate Breaking Capacity (Icu) (A) |
| (C)Ii=8.5In For Distribution Protection | 63,80,100,125 | 1 | 230/400 | 10000 (Ics=75%Icu) |
| 2,3,4 | 400 | |||
| (C)Ii=12In For Distribution Protection | 63,80,100,125 | 1 | 230/400 | |
| 2,3,4 | 400 |
Circuit Breaker Overcurrent Protection Characteristics & Curve Diagram
| •Overcurrent Protection Characteristics of Circuit Breaker | Table 2 | |||||
| Trip Unit Type | Test Current (A) | Initial State | Test Duration | Expected Result | Note | Reference Temperature |
| C,D | 1.05In | Cold State | t≤1h(In≤63A) t≤2h(In>63A) | No Trip | - | +30℃ |
| C,D | 1.3In | Immediately Followed by a Test | t≤1h(In≤63A) t≤2h(In>63A) | Trip | Current Rises to Specified Value Within 5s | |
| C,D | 2.55In | Cold State | 1s<t<120s | Trip | - | |
| C | 8.5In×80% | Cold State | t≤0.2s | No Trip | Close Auxiliary Switch to Power On | |
| D | 12In×80% | |||||
| C | 8.5In×120% | Cold State | t<0.2s | Trip | Close Auxiliary Switch to Power On | |
| D | 12In×120% | |||||
| Circuit Breaker Protection Characteristics Curve Diagram (see fig.1 & fig.2) | ||||||
Figure 1 Type C Thermal/Magnetic Trip Characteristic Curve
Figure 2 Type D Thermal/Magnetic Trip Characteristic Curve
Outline and Mounting Dimensions
This series of circuit breakers is rail-mounted and suitable for TH35-7.5 steel mounting rails. Unit: mm
Accessories Provided with the Product
The circuit breaker is equipped with 6 types of accessories, including: OF auxiliary contact, MX+OF shunt trip release, SD alarm contact, MV overvoltage release, MN undervoltage release, MYMN over & undervoltage release.OF and SD are installed on the left side of the product, Other accessories are installed on the right side of the product.
Ordering Instructions
Order Specifications Required from Customers:
a) Product Name:Model Number.Rated Current;
b) Rated Current.Number of Poles;
c) Minimum order Quantity.
Example:
Order DZ47-125 3-pole circuit breaker, Type C, rated current 100A, quantity 1000 units.
Should be written as: DZ47-125/3P, C100, 1000 units.