Contact box for KYN61-40.5 is a crucial component of the switchgear, serving the purpose of insulation, isolation, and transition connection. Specifically, the design of the contact box ensures proper insulation between the high voltage primary main conductive circuit and the grounded partition cabinet, as well as between phases, thereby ensuring the safe operation of the circuit. Additionally, the contact box provides functions such as insulation shielding, contact busbar support, and compartment separation, which can be integrated or configured separately based on design requirements and the operational environment.

Product Specifications

Specification Sheet

No.	Item	Unit	Date
1	Rated Voltage	kV	40.5
2	Rated Current	A	630/1250/1600/2000/2500/3150
3	Power Frequency Withstand Voltage	kV/ min	95
4	Partial Discharge Limit Value	pc	≤5
5	Material		Epoxy Resin

Product Advantages

Circuit Protection

The contact box can effectively isolate the current to prevent accidents such as electric shocks and short-circuit, ensuring the safe operation of the circuit.

Power Distribution

The contact box can efficiently distribute electrical power to various electrical devices, optimizing the electricity usage.

High Voltage Resistance

The contact box typically has a high voltage tolerance, built to handle high voltage currents, ensuring the normal operation of the circuit.

Insulation Protection

The insulators in the contact box can effectively isolate the current, preventing problems such as leakage and arcing, thereby protecting the circuit and equipment.

Environmental Adaptability

The contact box generally is designed to withstand various working environments, with features such as waterproofing, dustproofing, and corrosion resistance.

Product Applications

Contact box for KYN61-40.5 is widely used in various high voltage circuits, particularly in transmission, substations, and industrial and mining enterprises.

transmission systems

In transmission systems, the high voltage contact box is used to connect transmission lines and substations, playing a key role in cable connection and protection.

substation systems

In substation systems, it connects substation equipment and cables, facilitating the distribution and reception of electrical power.

industrial and mining enterprises

In industrial and mining enterprises, the high voltage contact box connects generators and electrical equipment, ensuring the proper operation of the circuit.