Ningbo Tianan (Group) Co.,Ltd.
| Application | Power transmission &distribution |
| Delivery Time | 45 work days/set |
| Rated Current | 630，1250，2000A |
| Payment Terms | L/C,T/T |
| Frequency | 50( 60)HZ |
| Protection degree | IP4X,IP2X |
| Altitude | up to 1000m Above Sea Level |
| Supply Ability | 5000 sets per year |
| Color | To be pending |
| Packaging Details | Wooden Case |
| Certification | IEC62271:200 CCC |
| Brand Name | Tianan Electric |
| Model Number | KYN61-40.5 |
| Place of Origin | CHINA |
View Detail Information
Explore similar products
12/24/40.5KV Voltage Vacuum SF6 Switchgear with Seismic Grade ≤8
XGN49 High Voltage Switchgear / 33kV 1250A GIS SF6 Gas Insulated Switchgear
40.5kV AC Meta l- Clad Safety Electrical High Voltage Switchgear With Stainless
Armor Type AC Metal - Enclosed Switchgear / Power Distribution Equipment
Product Specification
| Application | Power transmission &distribution | Delivery Time | 45 work days/set |
| Rated Current | 630，1250，2000A | Payment Terms | L/C,T/T |
| Frequency | 50( 60)HZ | Protection degree | IP4X,IP2X |
| Altitude | up to 1000m Above Sea Level | Supply Ability | 5000 sets per year |
| Color | To be pending | Packaging Details | Wooden Case |
| Certification | IEC62271:200 CCC | Brand Name | Tianan Electric |
| Model Number | KYN61-40.5 | Place of Origin | CHINA |
| High Light | high voltage electrical switchgear ，gas insulated switchgear | ||
The KYN61-40.5(Z) Air Insulated Metal-clad Switchgear is a high-voltage, drawable AC switchgear designed for three-phase, 50Hz, 40.5kV power distribution systems. It provides comprehensive protection, control, and monitoring functions for industrial and utility power networks.
This metal-clad drawable switchgear is suitable for indoor installation in medium-voltage primary distribution applications requiring high reliability and operational safety.
The KYN61-40.5(Z) switchgear is designed for reliable operation under the following conditions:
| Condition | Requirement |
|---|---|
| Ambient air temperature | -15°C ~ +40°C |
| Altitude | ≤ 1000m above sea level |
| Relative humidity | Daily average ≤ 95%; Monthly average ≤ 90% |
| Earthquake intensity | ≤ Magnitude 8 |
| Corrosive/flammable gas | None |
| Water vapor | None |
| Frequent intense vibration | None |
Note: Customized products are available upon request.
Suitable for 40.5kV primary distribution – meets medium-voltage grid requirements
Integrated protection, control, and monitoring – complete power management solution
Compliant with international standards – suitable for power plants, substations, and industrial facilities
| No. | Parameter | Unit | Value |
|---|---|---|---|
| 1 | Rated voltage | kV | 40.5 |
| 2 | Rated current | A | 1250, 1600, 2000 |
| 3 | Rated frequency | Hz | 50 |
| 4 | Rated short-time withstand current | kA | 20, 25, 31.5 |
| 5 | Rated peak withstand current | kA | 50, 63, 80 |
| 6 | Rated power frequency withstand voltage | kV | 95 / 1min |
| 7 | Rated lightning impulse withstand voltage | kV | 185 |
| 8 | Rated duration of short circuit | S | 4 |
| 9 | Degree of protection | – | IP3X |
| No. | Parameter | Unit | Value |
|---|---|---|---|
| 1 | Rated voltage | kV | 40.5 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated power frequency withstand voltage | kV | 95 / 1min |
| 4 | Rated lightning impulse withstand voltage | kV | 185 |
| 5 | Rated current | A | 1250, 1600, 2000 |
| 6 | Rated short-time withstand current | kA | 20, 25, 31.5 |
| 7 | Rated short-circuit breaking current | kA | 20, 25, 31.5 |
| 8 | Rated peak withstand current | kA | 50, 63, 80 |
| 9 | Rated duration of short circuit | S | 4 |
| 10 | Opening time | ms | 30 ≤ t ≤ 60 |
| 11 | Closing time | ms | 50 ≤ t ≤ 100 |
| 12 | Breaking times (rated short-circuit breaking current) | cycles | 20 |
| 13 | Mechanical endurance | cycles | 10,000 |
| Parameter | Unit | Value |
|---|---|---|
| Rated operating voltage – Opening coil | V | DC220/110, AC220/110 |
| Rated operating voltage – Closing coil | V | DC220/110, AC220/110 |
| Rated operating current – Opening coil | A | 0.96 (220V), 1.05 (110V) |
| Rated operating current – Closing coil | A | 0.96 (220V), 1.05 (110V) |
| Power of energy-stored motor | W | 230 |
| Rated voltage of energy-stored motor | V | DC220/110, AC220/110 |
| Duration for storing energy | S | ≤ 12 |
The KYN61-40.5(Z) metal-clad drawable AC high voltage switchgear is widely used in:
Power plants (power generation stations)
Substations (primary distribution)
Industrial facilities (steel, petrochemical, cement)
Large commercial buildings
Mining and infrastructure projects
Q: What is the rated voltage of KYN61-40.5 switchgear?
A: The rated voltage is 40.5 kV.
Q: What is the rated frequency?
A: The rated frequency is 50 Hz.
Q: What are the available rated current options?
A: Available options are 1250A, 1600A, and 2000A.
Q: What is the degree of protection (IP rating)?
A: The protection degree is IP3X.
Q: What is the mechanical endurance of the vacuum circuit breaker?
A: The mechanical endurance is 10,000 cycles.
Q: What is the energy storage time for the spring operating mechanism?
A: The energy storage duration is ≤ 12 seconds.
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...
Get in touch with us
Leave a Message, we will call you back quickly!