| Categories | Economic 4.5KA, 6kA Regular Series Circuit Breaker |
| Pole No | 1P. 1P+N. 2P. 3P. 3P+N. 4P |
| Rated current(A) | 1. 2. 3.4. 6. 10.16. 20. 25. 32. 40. 50. 63 |
| Rated voltage | AC 230. 230/400. 400 |
| Rated Frequency | 50/60Hz |
| Tripping curve | B. C. D |
| Rated short-circuit capacity (Icn) | 6000A |
| Mechanical life | 20000 times |
| Contact position | indication window |
| Degree of protection | IP20 |
| Connection terminal | Pillar terminal with clamp |
Construction and Feature
■ Fine and unique
appearance,advanced
design
■ Short-circuit and overload
dual-protection performance
■ High-breaking capacity
(6KA) that is leading among
the world similar products
■ Mechanical life:4000 times
■ Convenient and reliable
installation
Technical Data
|
■ Model： SFM65-63 |
|
■ Pole No.： 1P, 1P+N, 2P, 3P. 3P+N, 4P |
|
■ Rated current(A):1、2、3、4、6、10、16、20、25、32、40、50、63 |
|
■ Rated voltage： AC 230, 230/400. 400 |
|
■ Rated Frequency： 50/60HZ |
|
■ Tripping curve： B, C. D |
|
■ Rated short-circuit capacity (Icn) :6000A |
|
■ Mechanical life： 20000 times |
|
■ Contact position indication window |
|
■ Degree of protection： IP20 |
|
■ Connection terminahPillar terminal with clamp |
|
■ Connection conductor： up to and including 16mm |
|
■ Terminal Connection Height:H1=19.5mm,H2=21.5mm |
|
■ lnstallation:DIN-rail mounting |
Characteristic Curve
Power Conumtion
| Rated current range(InA) | Max consumption/pole(W) |
| In<10 | 3 |
| 10 | 3.5 |
| 16 | 4.5 |
| 25 | 6 |
| 32 | 7.5 |
| 40 | 9 |
| 50 | 13 |
Wiring Diagram
Overload Current Protection Characteristics
| Test Procedure | Type | Test Current | Initial State | Tripping or Non-tripping Time Limit | Expected Result | Remark |
| a | B,C,D | 1.13In | cold | t≤1h | no trippint | |
| b | B,C,D | 1.45In | After test a | t<1h | tripping |
Current in the 5 s in the increase of stability |
| c | B,C,D | 2.55In | cold |
1s60s(In≤32A) 1s32A) |
tripping | |
| d | B | 3In | cold | t≤0.1s | no tripping |
Turn on the auxiliary switch to close the current |
| C | 5In | cold | ||||
| D | 10In | cold | ||||
| e | B | 5In | cold | t<0.1s | tripping |
Turn on the auxiliary switch to close the current |
| C | 10In | cold | ||||
| D | 20In | cold |
Overall&installation Dimensions
> What is the role of a fuse?
A fuse refers to an electrical device that, when the current exceeds a specified value, uses the heat generated by itself to fuse the melt and disconnect the circuit...
> Precautions for the working principle of molded case circuit breakers
The molded case circuit breaker adopts a heat release contact. When the current exceeds the rated value, the contact is heated, causing the spring force to decrease,...
> The difference between fast fuse and ordinary fuse
Fast fuse is a kind of fuse, fast fuse is used for short circuit protection of semiconductor rectifier components or circuit breakers. Because the overload capacity ...
> The meaning and working principle of RCCB, and a few points you want to know
This article will tell you about the working principle, function, and main structure of residual current circuit breaker (RCCB), and solve customers' concerns about ...