
Medium-Voltage Switchgear
KYN61-40.5 40.5kV Medium Voltage Switchgear
Model KYN61-40.5
Withdrawable metal-clad switchgear for 40.5 kV power distribution. The compartmentalized assembly supports incoming, outgoing and control circuits, with ratings and switching equipment selected for the network design.
Share your rated data, quantity and project requirements.
View this model in our 2026 catalog ↗
Product Overview
KYN61-40.5 armored removable AC metal-enclosed switchgear is an indoor complete distribution device for receiving and distributing electrical energy in power plants,. It is commonly used for power plants and substations and industrial and mining distribution systems, with the final selection based on rated data, drawings, and site conditions.
EPC companies, electrical contractors, utility project teams, panel builders, and industrial buyers can request configuration review for medium voltage switchgear. Please send single-line diagram, rated voltage, rated current, short-circuit level, protection scheme, busbar arrangement, and cabinet layout, quantity, destination, and any project standard requirements for quotation.
Model and Meaning
- K: metal armored type
- Y: removable handcart type
- N: indoor type
- 61: design serial number
- 40.5: rated voltage
- Confirm the main-switch type, operating-mechanism type, special-use conditions, rated current, and short-circuit breaking current

Technical Specifications
| Group | Item | Unit | Parameter |
|---|---|---|---|
| Rated voltage | kV | 40.5 | |
| Rated frequency | Hz | 50 | |
| Rated current | A | 1250 / 1600 / 2000 | |
| Rated short-time withstand current | kA | 20 / 25 / 31.5 | |
| Rated peak withstand current | kA | 50 / 63 / 80 | |
| Rated power-frequency withstand voltage | kV | 95 / 1 min | |
| Rated lightning impulse withstand voltage | kV | 185 | |
| Rated short-circuit duration | 4 s | ||
| Enclosure protection level | IP3X |
Installation Dimensions / Drawing

Applications
- Power plants and substations
- Industrial and mining distribution systems
- Electrical projects requiring circuit control, protection, and monitoring
Ordering Instructions / Information Required for Quotation
ORDERING INSTRUCTIONS
- Provide the main-circuit scheme number, purpose, single-line diagram, arrangement diagram, and distribution-room layout.
- Provide the auxiliary-circuit wiring schematic and terminal arrangement.
- Confirm electrical-component models, specifications, quantities, control, measurement, protection, locking, and automatic-device requirements.
- State busbar-bridge requirements, accessories, spare parts, and any special environmental conditions.


