| Application
KVB9-63 Protection and control of circuit against overload and short circuit, In building installation-such as houses, offices,commercial complex, motor system(D curve) and industrial installation-for switching , control, protection and regulation of electrical circuits. Also in switchgear panels,railway and marine application.
Standard↓
IEC60898
| Main Technical Parameters
| Type | KVB9-63 |
| Number of poles | 1P、2P、3P、4P |
| Rated Current(In) | 1、2、3、4、6、10、16、20、25、32、
40、50、63A |
| Rated Voltage(Un) | AC 230(240)/400(415)V |
| Rated frequency | 50(60)Hz |
| Curve | B、C、D |
| Short-circuit breaking capacity(Icn) | 4500A |
| Magnetic releases operate | B curve:between 3 and 5 In
C curve:between 5 and 10 In
D curve:between 10 and 14 In |
| Endurance | ≥4000 |
| Terminal protection | IP20 |
| Normal Operation And Mounting Requirement
Circumstance temperature -5°C~ +40°C, average temperature not exceeding 35°C.
Altitude above sea level less than 2000 m.
Humidity not exceeding 50% at 40°C and not exceeding 90% at 25°C.
Installation class II or III.
Pollution class 2.
Installation method DIN Rail mounting type.
The external magnetism shall not be more than 5 times of terrestrial one.
Product shall be installed vertically at the place where there shall be no severe impact and vibration. The product is switched on when the handle is at upper position.
