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Removable AC Metal-clad Switchgear

Removable AC Metal-clad Switchgear

KYN61-40.5 Removable Ac Metal-clad switchgear (hereinafter referred to as "switchgear”) is characterized by the configurationof ZN85-40.5, VD4, VB2 fully-insulated vacuum circuit breakers, and spring operating mechanisms inside the cabinet. The cabinet isassembled with aluminum-zinc plates, improving the precision of the trolley's coordination with the cabinet, The trolley movementis convenient, and there is strong interchangeablity. The appearance is aesthetically pleasing. The solution is comprehensive, andthe usage is safe and reliable.
This product is used in 35kV three-phase Ac 50Hz power systems, serving as a distribution room for receiving and distributingelectrical energy in power plants, substations, and industrial and mining enterprises. lt has control, protection, and monitoringfunctions.
This product complies with GB3906 "3~35kV AC Metal-Enclosed Switchgear, IEC60694&GB/T11022 "The Common Technicalclauses of High-Voltage Switchgear and controlgear Standard,’ DL/T404 'Technical Specifications for Ordering Ac High-VoltageSwitchgear," and lEC62271-200"1-52kV AC Metal-Enclosed Switchgear and controlgear standard."

1. KYN61-40.5 Type Switchgear Technical Parameters:

Item Unit Data
Rated Voltage KV 40.5
Rated Current Rated Current of Main Busbar  A 630, 1250, 1 600, 2000
Rated Current of Equipped Circuit Breaker A 630, 1250, 1600, 2000
Rated Insulation Level 1-Minute Power Frequency Withstand Voltage Phase-to-Phase/Phase-to-Ground  KV 95/110
Lightning Impulse Withstand Voltage (Peak), Phase-to-Phase/Phase-to-Ground  KV 185/215
Power Frequency Withstand Voltage of Auxiliary and Control Circuits V/1min 2000
Rated Frequency Hz 50
Rated Short-Circuit Breaking Current KA 20, 25, 31.5
Rated Short-Time Withstand Current/Duration of Rated Short-Circuit kA/4s 20, 25, 31.5
Rated Peak Withstand Current KA 50, 63, 80
Rated Short-Circuit Making Current KA 50, 63, 80
Rated Voltage of Control Circuit V DC:110 200, AC: 110 220
Class of protection Switchgear Shell Protection Level (Compartment Door Open) IP4X
Switchgear Shell Protection Level (Compartment Door Closed) IP2X

2. ZN85-40.5 Circuit Breaker with Spring Operating Mechanism (Integrated) Technical Parameters

Item Unit Data
Rated Voltage KV 40.5
Rated Insulation Level 1-Minute Power Frequency Withstand Voltage Phase-to-Phase/Phase-to-Ground  A 630, 1250, 1600, 2000
Lightning Impulse Withstand Voltage (Peak), Phase-to-Phase/Phase-to-Ground  KV 95/110
Power Frequency Withstand Voltage of Auxiliary and Control Circuits KV 185/215
Rated Frequency V/1min 2000
Rated Short-Circuit Breaking Current Hz 50
Rated Short-Circuit Making Current KA 20, 25, 31.5
Rated Peak Withstand Current KA 20, 25, 31.5
Rated Short-Time Withstand Current/Duration of Rated Short-Circuit kA/4s 50, 63, 80
Mechanical Life Times 50, 63, 80
Closing Time MS 1000
Opening Time MS 50-100
Rated Operating Sequence 35-60
Opening-0.3s-Closing-Opening 180s -Closing-Opening

A. Busbar Compartment 
B. Trolley Compartment 
C. Cable Compartment 
D. Relay and Instrument Compartment
1. Suspension Ring
2. Main Busbar
3. Small Busbar Compartment Cover Ring
4. Instrument Compartment Door
5. Branch Busbar6. Busbar Sleeve
7. Contact Box
8. Analog Busbar Coil
9. Nameplate
10. Lighting Lamp
11. Trolley Compartment Door
12. Current Transformer
13. Hinge
14. Insulator
15. Zinc Oxide Surge Arrester
16. Insulation Partition
17. Grounding Switch
18. Live Gate Assembly
19. Vacuum Circuit Breaker Trolley
20. Small Busbar Terminal Compartment

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