Ningbo Tianan (Group) Co.,Ltd.
| Payment Terms | L/C, T/T, |
| Supply Ability | 500 sets |
| Delivery Time | 30 work days/ set |
| Packaging Details | Wooden case |
| Model | VT12(ZN85)-40.5 |
| Rated breaking current | 20/25，31 KA |
| Rated lightning impulse withstand voltage | 185kV |
| Temperature | -25℃~+40℃ |
| Rated operated order | O-0.3s-co-180s-co |
| Rated volatge | 40.5kV |
| Rated current | 630，1250，1250，1600， 2000， 2500kA |
| Relative humidity | Daily Average <95%, Monthly Average<90% |
| Brand Name | TIANAN |
| Model Number | VT12(ZN85)-40.5 |
| Place of Origin | CHINA |
| Certification | IEC&GB |
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Product Specification
| Payment Terms | L/C, T/T, | Supply Ability | 500 sets |
| Delivery Time | 30 work days/ set | Packaging Details | Wooden case |
| Model | VT12(ZN85)-40.5 | Rated breaking current | 20/25，31 KA |
| Rated lightning impulse withstand voltage | 185kV | Temperature | -25℃~+40℃ |
| Rated operated order | O-0.3s-co-180s-co | Rated volatge | 40.5kV |
| Rated current | 630，1250，1250，1600， 2000， 2500kA | Relative humidity | Daily Average <95%, Monthly Average<90% |
| Brand Name | TIANAN | Model Number | VT12(ZN85)-40.5 |
| Place of Origin | CHINA | Certification | IEC&GB |
| High Light | indoor high voltage circuit breaker ，high voltage circuit breaker 31 KA ，31 KA high voltage circuit breaker | ||
VT12(ZN85)-40.5 indoor HV vacuum circuit breaker is suitable for the places which rated current frequently operated or break short circuit current many times. VT12(ZN85)-40.5 indoor HV vacuum circuit breakers conformed to the standard of GB1984 (AC/HV circuit breaker), JB3855 (3.6-40.5kV indoor AC/HV vacuum circuit breaker) and IEC. VT12(ZN85)-40.5 indoor HV vacuum circuit breaker has interlock function, namely can be used in handcart unit and fixed type unit manual mechanism and fixed mechanism.
Rated voltage 40.5kV
Rated frequency 50Hz
Rated lighting impulse withstand voltage 185kV
Rated power frequency withstand voltage (1min) 95kV
Rated operated order o-0.3s-co-180s-co
| Type of circuit breaker | Rated current | Rated breaking current (kA) | Rated short circuit making current (peak kA) | Rated short circuit continuous time(s) | Rated short circuit current breaking time(Times) | Mechanical life (Times) |
| VT12(ZN85)-40.5 indoor HV vacuum circuit breaker |
630 1250 |
20/25 | 50/63 | 4 | 30 | 1000 |
|
1250 1600 2000 2500 |
31.5 | 80 | 4 | 20 | 1000 |
The High Voltage Circuit Breaker product comes with comprehensive technical support and services to ensure optimal performance and reliability. Our team of experts offers:
With our technical support and services, you can be confident that your High Voltage Circuit Breaker will operate at peak efficiency and minimize downtime.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1969
Total Annual:
250000000-300000000
Employee Number:
3000~3500
Ecer Certification：
Verified Supplier
Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office... Ningbo Tianan (Group) Co, Ltd is a famous leading influential enterprise of the power transmission equipment manufacturing in China.It was founded in 1969,currently under the group, we have 1 national-level R&D center, 2 provincial-level R&D center, 10 professional companies, 70 sales office...
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