01
KYN61-40.5(Z) Armored Removable AC Metal-Enclosed Switchgear
Main Features
◇ The cabinet structure adopts an assembled design, with the circuit breaker featuring a handcart ground structure;
◇ Equipped with a newtype of composite insulated vacuum circuit breaker, characterized by good interchangeability and easy replacement;
◇ The handcart frame is equipped with a screw nut propulsion mechanism, allowing for easy movement of the handcart and preventing damage from accidental operation;
◇ All operations can be performed with the cabinet door closed;
◇ Interlocking between the main switch, handcart, and switch cabinet door adopts a mandatory mechanical interlocking method, satisfying the "five prevention" functions;
◇ The cable chamber has ample space, allowing for multiple cable connections;
◇ A rapid grounding switch is provided for grounding and closing short-circuit loops;
◇ The shell has a Level of Protection IP3X, while the handcart chamber door opened state has a Level of Protection IP2X;
◇ The product complies with GB3906-2006, DL/T404-2007, and refers to the international standard IEC298.
Use Environment Conditions
◇ Ambient temperature: Upper limit +40℃, with the average value measured over 24 hours not exceeding 35℃; lower limit -10℃;
◇ Altitude: Altitude not exceeding 1000m;
◇ Relative Humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
◇ Earthquake intensity: Not exceeding 8 degrees;
◇ Water vapor pressure: Daily average not exceeding 2.2kPa, monthly average not exceeding 1.8kPa;
◇ Surrounding environment: Locations free from fire, explosion hazards, severe pollution, chemical corrosion, and intense vibrations.
Technical Parameters
| ltems | Units | Value | |
| Rated Operating Voltag | Opening Solenoid | V | DC220/110 AC220/110 |
| Closing Coil | |||
| Rated Operating Current | Opening Solenoid | A | 0.96(220V)1.05(110V) |
| Closing Coil | |||
| Energy Storage Motor Power | W | 230 | |
| Nominal Voltage of Stored Energy Electric Machinery | V | DC220/110 AC220/110 | |
| Stored Energy Time | S | ≤12 |
Technical Parameters
◇ Technical Parameters of Vacuum Switch Cabinet
| No. | ltems | Units | Value |
| 1 | Nominal Voltage | KV | 40.5 |
| 2 | Rated Currency | 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 Lighting lmpulse Withstand Voltage | KV | 185 |
| 8 | Rated Short-circuit Period | S | 4 |
| 9 | Level of Protection | IP3X |
◇ Main Technical Parameters of Vacuum Short-circuit
| No. | ltems | Units | Value |
| 1 | Nominal Voltage | KV | 40.5 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Rated Power Frequency Withstand Voltage | KV | 95/1min |
| 4 | Rated Lighting lmpulse Withstand Voltage | KV | 185 |
| 5 | Rated Currency | 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 Short-circuit Period | ms | 4 |
| 10 | Opening Time | ms | 30≤t≤ 60 |
| 11 | ClosingTime | ms | 50 <t≤ 100 |
| 12 | Rated Short-circuit Breaking Current Times | Time | 20 |
| 13 | Machinery Service Life | Time | 10000 |
Switch Cabinet Dimensions
Installation of Switch Cabinet
◇ Height of the electrical room: ≥4500mm;
◇ Distance from the back of the cabinet to the wall: ≥1500mm;
◇ Flatness of the foundation structure: ≤1mm/ m²;
◇ The embedded channel steel of the foundation should not exceed 3mm above the ground;
◇ Can be fixed to the foundation using bolts or welding methods;
◇ The weight of the switch cabinet is approximately 1800kg;
◇ Width of the switch cabinet operational corridor (single row): ≥3000mm, double row (facing each other) :≥4000mm.
Ordering Instructions
WHEN PLACING AN ORDER, PLEASE SPECIFY:
◇ Main circuit scheme number, purpose, single-line system diagram, layout diagram, and floor plan of the distribution room;
◇Auxiliary circuit wiring schematic and terminal arrangement diagram;
◇ Model, specifications, and quantity of electrical components within the switchgear;
◇ Requirements for control, measurement, and protection functions of the switchgear, as well as any other interlocking and automatic device requirements;
◇ If busbar connections are needed between switchgear or incoming cabinets, please provide specific data such as the rated current capacity of the busbar, span of the busbar, and height above ground;
◇ If accessories or spare parts are required, please specify the types and quantities;
◇ If the switchgear is to be used in special environmental conditions, please detail these conditions when placing the order.