Outdoor High Voltage Vacuum Circuit Breaker Alternating Current 3 Phase Pole Mounted Vacuum Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: MK-EP1668
• Arc-extinguishing Medium: Vacuum
• Installation: Open Frame
• Structure: MCCB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: CE, CCC
• Transport Package: Wooden Case
• Specification: Customized
• Trademark: Markevina or OEM
• Origin: China
• Production Capacity: 1000000/Year
• Package Size: 50.00cm * 60.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

Outdoor Hgh Voltage Vacuum Circuit Breaker  
Alternating Current  3 Phase Pole Mounted Vacuum Breaker
 

Technical performance index

1. Use environment

1) Ambient temperature: - 40 ºC ~ + 85 ºC
2) Maximum change rate of ambient temperature: 1 ºC / min
3) Humidity: 5% ~ 100%
4) Atmospheric pressure: 70 ~ 106kpa
5) Service environment: outdoor, places without flammability, explosion hazard, chemical corrosion and violent sports

2. mechanical properties

   It can withstand the vibration response and shock response of severity class I.Anti magnetism, shock, moisture, lightning, dust and corrosion.

3. Electrical parameters

1) Rated voltage: 57.7v, 100V, 220V
2) Rated current: 1a, 5A
3) Rated frequency: 50Hz
4) Sampling frequency: 10kHz

4. Overload capacity

1) AC voltage: 2 times of rated voltage, continuous operation
          10 Times of rated voltage, 10s allowed
2) AC current: 2 times of rated current, continuous operation
          10 Times of rated current, 10s allowed

5. Main technical specifications

1) AC voltage sampling accuracy: 0.5 level
2) AC current sampling accuracy: level 0.5
3) Measurement error of 10 times rated current: < 3%

6.  Current protection

1) Current setting range: 0.03in ~ 12in
2) Current setting error: < 1%
3) Time setting range: 0s ~ 9999.99s

7.  Zero sequence protection

1) Current setting range: 0.02in ~ 12in
2) Current setting error: < 1%
3) Time setting range: 0 ~ 9999.99s

8.Reclosing

1) Reclosing times: 0 ~ 3
2) Time setting range: 0 ~ 9999.99s

9. Voltage protection

1) It has overvoltage and undervoltage protection functions
2) Voltage setting range: 0 ~ 999v
3) Voltage setting error: < 1%
4) Time setting range: 0 ~ 999.9s