Delta KYN61-40.5 Indoor AC Metal Armored Removable High Voltage Switchgear (referred to as the switchgear) is suitable for three-phase AC 50Hz, 40.5kV single busbar and single busbar segmented power systems. It is used as a distribution room for power plants, substations, industrial and mining enterprises, and high-rise buildings to receive and distribute electrical energy; Capable of controlling, protecting, and monitoring circuits
Delta KYN61-40.5 Indoor AC Metal Armored Removable High Voltage Switchgear (referred to as the switchgear) is suitable for three-phase AC 50Hz, 40.5kV single busbar and single busbar segmented power systems. It is used as a distribution room for power plants, substations, industrial and mining enterprises, and high-rise buildings to receive and distribute electrical energy; It has functions such as control, protection, and monitoring for circuits. In addition to being widely used in general power systems, it can also be used in places with frequent operations.
Product Features:
1. Meet the requirements of IEC60298, GB3906-2006, DL404 and other standards, and have complete "five prevention" functions
2. The switchgear cabinet body is made of aluminum zinc coated plate with multiple bends, connected and assembled by high-strength bolts and nuts, with beautiful appearance, high precision, and good interchangeability of handcarts
3. Each functional room of the switchgear has independent pressure relief channels to ensure the safe and reliable operation of the equipment
4. The operation of circuit breaker grounding switch can be carried out with the switch cabinet closed, which can achieve the closing operation
5. There are complete mechanical interlocking devices between the handcart, circuit breaker, grounding switch, and rear cabinet door, with complete "five prevention" functions, ensuring safety and reliability
6. The protection level of the shell is IP4X, and when the door is open, it is IP2X
7. It can be equipped with the new composite insulation vacuum circuit breaker ZN85-40.5, which has reliable performance
Technical Specifications:
Frequency: AC 50Hz Rated working voltage: AC 40.5KV, Rated insulation level: 1-minute power frequency withstand voltage: (to ground, phase to phase) 95KV, isolation fracture 115KV Lightning impulse withstand voltage (peak value): 185KV (to ground, phase to phase), 215KV isolated fracture Rated working current: 630-1250A Rated short-circuit breaking current (effective value): 31.5 kA Rated short-circuit closing current (peak): 80kA Rated short-time withstand current (4s): 31.5 kA/s Rated peak withstand current: 80 kA Rated short-time withstand current/duration of grounding switch: 31.5/4 kA/s Rated short-time withstand current/duration of grounding connection circuit: 25/2 kA/s