Product
XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
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  • XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
  • XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
  • XGN66-12 Armored Fixed AC Metal-enclosed Switchgear
  • XGN66-12 Armored Fixed AC Metal-enclosed Switchgear

XGN66-12 Armored Fixed AC Metal-enclosed Switchgear


Model: XGN66-12(Z) Rated voltage: 3.6kV,7.2kV,12kV Rated frequency: 50Hz

Key Words:

XGN66-12 Armored Fixed AC Metal-enclosed Switchgear

Product Details Product parameters

Product Model Meaning

Model number

X

G

N

66

-

12

Z

Number

meaning

Box-type switchgear

stationary

within the home

Design number

 

Rated voltage (kV)

vacuum interrupter

Product Overview

XGN66-12 type fixed enclosed switchgear (hereinafter referred to as switchgear) is a new generation of high-voltage electrical complete sets of products of our company, which meets the requirements of the national standard GB3906 "-35kV AC metal-enclosed switchgear" and the Ministry of Electric Power's DLT404 "Ordering Technical Conditions for Indoor AC High-voltage Switchgear", and also meets the requirements of the international standard IEC60298 "Requirements for AC Metal-enclosed Switchgear and Controlgear for More than 1kW and Less Than 52kW". It also meets the requirements of international standard IEC60298 "Requirements for AC metal-enclosed switchgear and control equipment above 1kW and below 52kW. The product absorbs advanced foreign technology, it is small in size, only 50% of the size of an ordinary switchgear cabinet, the circuit breaker has the advantages of high reliability and good performance; "five-proof" interlocking mechanism is reliable and simple. Switchgear is a 3.6, 7.2, 12kV three-phase alternating current 50Hz single bus sectionalized indoor complete set of devices, as the acceptance and distribution of electrical energy. And it has the functions of controlling, protecting and monitoring the circuit, etc. It can be used in various types of power plants, substations, industrial and mining enterprises, high-rise buildings, etc. It can also be combined with the ring network cabinet and applied in the opening and closing stations.

Conditions Of Use

1. The altitude does not exceed 1000m;

2. Ambient temperature: -25°C~+40°C, with average temperature not exceeding +35°C within 24 hours;

3. Horizontal inclination not more than 3°;

4. The intensity of the earthquake does not exceed magnitude 8;

5. No violent vibration and shock and explosion hazardous places.

Structural Characteristics

1. The cabinet is welded with high quality angle steel;

2. The circuit breaker room is located in the middle (lower) part of the cabinet, which is convenient for installation, commissioning and maintenance. Standardly equipped with VS1 circuit breaker and pressure release channel to ensure personal safety;

3. Adopting advanced and reliable rotary disconnecting switch, it can safely enter the breaker room for maintenance under the main busbar being energized;

4. The whole cabinet protection grade IP2X;

5. There is a reliable and fully functional mandatory mechanical locking device, simple and effective to achieve the "five security" requirements;

6. With reliable grounding system;

7. The door is equipped with an observation window, which can clearly observe the working status of the components in the cabinet;

8. The operating mechanism lock adopts the same XGN2-12 cabinet with JSXGN locking mechanism, simple, reliable, convenient and practical;

9. The inlet and outlet cables are lower than the front of the cabinet, which is convenient for users to connect.

Switchgear main technical parameters
Item unit (of measure) parameters
rated voltage kV 3.6, 7.2, 12
Rated frequency withstand voltage kV To the ground, interphase: 42; break: 48
Rated lightning impulse withstand voltage kV To the ground, interphase: 75; break: 85
Rated frequency Hz 50
rated current A 6,301,250
Rated short-circuit breaking current (RMS) kA 20,25,31.5
Rated short-circuit closing current (peak) kA 50, 63, 80
Rated dynamic stabilizing current (peak) kA 50, 63, 80
Rated thermal stabilization current 4s (rms) kA 20,25,31.5
protection class   IP2X
Overall Dimension(W×D×H) mm 900×1000×2300
weights Kg ≈600
VS1-12 vacuum circuit breaker main technical parameters
sports event unit (of measure) parameters
rated voltage kV 12
rated current A 630 1250
Rated short-circuit breaking current kA 20,25,31.5
Rated short-circuit closing current mm 50, 63, 80
Rated short-time withstand current (4s rms) kA 20,25,31.5
Rated peak withstand current (peak) kA 50, 63, 80
mechanical life kA 10000
Rated short-circuit breaking current breaking times substandard 50
Rated sequence of operation   Minutes-0.3s-combined minutes-180s-combined minutes
contact opening distance substandard 11±1
Contact travel mm 4±0.5
Interphase center distance mm 210
Opening speed m/s 1.2±0.2
Closing speed m/s 0.6±0.2
Split time ms ≤60
Closing time ms ≤75
Three-phase switching simultaneity ms ≤2
Tripping bounce ms ≤2
circuit resistance μΩ ≤45
Cumulative allowable contact wear thickness mm 3

Note: The above data is only for reference when designing and selecting, and the final data is subject to the real thing.

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