High Voltage Electric Components - High Voltage Ground Switch


Indoor High Voltage Ground Switch [Vacuum Circuit Breaker]

Introduction: Indoor High Voltage Ground Switch
MZD65-12 Indoor High Voltage Ground Switch is an advanced product which integrates domestic and foreign ground switch technology. Through comprehensive assessment, we can assure you that its performance meets GB1985-89"AC High Voltage Isolated Switch and Ground Switch" and IEC129 standards. It is applied to AC 50Hz 12 kV maximum voltage power system and can used with various types high voltage Switchgear.
Terms of use - High Voltage Ground Switch
1. Advanced design, indoor load switch
2. simple structure, easy to install and adjust
3. Rapid part and close speed

Working and Environmental Conditions - High Voltage Ground Switch [Vacuum Circuit Breaker]
1. Altitude: lower than 1000m
2. Environmental temperature: maximum temperature +40°C, minimum temperature -10°C
3. Storage and shipment at 30°C are allowed
4. Earthquake intensity smaller than 8 degree.
5. No flammable, explosive, serious dust, chemical corrosion or dramatic shock.


Model Meaning

Main technical parameters - High Voltage Ground Switch

Name Unit Data
Rated voltage KV 12
Rated short term current tolerance KV 31.5；40
Rated short circuit duration time S 4
Rated short circuit closing current KA 80
Rated peak value current tolerance KV 80
Inter-electrode center distance MM 150, 210, 275
Rated insulation level 1 MIN working frequency voltage tolerance KV Towards the ground , alternated/ inter-electrode
Lightening impact voltage tolerance 42/48
Contour and Installation Dimension - High Voltage Ground Switch
Model L E C
MJN15-12/31.5-210 655 210 516
MJN15-12/31.5-230 710 230 556
MJN15-12/31.5-250 760 250 596
MJN15-12/31.5-275 810 275 646

Note: *rated short term * rated shout term current tolerance is 31.5KA or 40KA

pdfMZD65-12 Indoor High Voltage Ground Switch
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