| Categories | Economic 4.5KA, 6kA Regular Series Circuit Breaker |
| Model | JVM66-63 |
| Pole No | 1P, 2P, 3P, 4P |
| Rated current | 1,2,3,4,6, 10, 13, 16, 20, 25, 32, 40, 50,63A |
| Rated workingvoltage | 24/415V |
| Rated frequency | 50/60Hz |
| Rated frequency (miniature circuit breaker) | 400V |
| Curve (miniature circuit breaker) | B,C,D |
| High short-circuit breaking capacity | 6000A(6KA) |
| Degree of protection | IP20 |
| Wiring mode | Front wiring |
Technical Data

|
l Pole No.:1P, 2P, 3P, 4P |
|
l Rated current:1, 2, 3, 4, 6, 10, 13, 16, 20, 25, 32, 40, 50, 63A |
|
l Rated working voltage:24/415V |
|
l Rated frequency: 50/60Hz |
|
l Rated frequency (miniature circuit breaker):400V |
|
l Curve (miniature circuit breaker):B, C, D |
|
l High short-circuit breaking capacity:6000A(6KA) |
|
l Instantaneous tripping current:5In (B type) 10In (C type) 20In (D type) |
|
l Instantaneous non-tripping current:3In (B type) 5In (C type) 10In (D type) |
|
l Mechanical life:4000 times |
|
l Degree of protection:IP20 |
|
l Wiring mode:Front wiring |
|
l Connecting conductor:Up to and including 16m ² |
Construction and Feature

Fine and unique appearance
Short-circuit and overload dual-protection performance
High-breaking capacity (10KA) that is leading among the world similar products
Unique label, transparent window
Convenient and reliable installation mode

Characteristic Curve

Wiring Diagram

> Does a Float Switch Need IP68 for Hot Water?
A Float Switch with IP68 sealing, AC 220V rating, and 60°C water temperature tolerance — built for reliable liquid level control in pumps and tanks.
> Does a Circuit Breaker Need Both Overcurrent and Leakage Protection?
A magnetic RCBO that combines overcurrent and earth leakage protection in a compact two-module design — featuring 10kA breaking capacity and CE approval for resident...
> What Makes the ASFT Series Outperform Other Float Switches?
A float switch with integrated square-axis multi-pole design, welding-process contacts with silver solder pads, and bite-process terminal blocks — built for reliable...
> How Does a DC Series Circuit Breaker Speed Up Fault Finding?
A DC series circuit breaker with 1-63A ratings, 10kA breaking capacity, 6.2kV impulse withstand, and central-staying trip indication — built for reliable low-voltage...








