The Delta KYN28-24 armored detachable system is used in 24KV medium voltage systems. It can be used in power plants, substations, industrial and mining enterprises, and high-rise buildings to receive and distribute electrical energy, and to control, protect, and detect circuits
The Delta KYN28-24 armored detachable system is used in 24KV medium voltage systems. It can be used in power plants, substations, industrial and mining enterprises, and high-rise buildings to receive and distribute electrical energy, and to control, protect, and detect circuits. Meets standards such as GB3906, 1984, IEC298, etc., and has the "five prevention" function.
Product Features:
1. The cabinet structure is assembled by multiple bending of aluminum zinc coated plates;
2. Each small chamber is completely metal armored and thoroughly separated;
3. All equipment operations are carried out with the cabinet door closed;
4. The cabinet shell has good sealing to prevent equipment from being invaded by debris and pests;
5. Can be equipped with VL1, ZN63 (VS1), and VD4 vacuum circuit breakers;
6. Replacing the circuit breaker is very simple, and the handcart has good interchangeability;
7. Reliable wall installation of cabinets, maintenance in front of cabinets, reducing floor space;
8. The cable room has ample space to connect multiple cables;
9. Through the panel door, it is easy to observe the operation of the cable room.
Product Specifications
Frequency: AC 50Hz
-Rated working voltage: AC 24KV,
-Rated insulation level:
-1-minute power frequency withstand voltage: (to ground, phase to phase) 65KV
Isolation fracture 79KV
-Lightning impulse withstand voltage (peak): (to ground, phase to phase) 125KV,
-Isolation fracture 145KV
-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
-Rated operating sequence: 0-0.3s-CO-180s-CO