Kyn28A-12 Distribution Cabinet High Voltage Switchgear
Basic Info
Model No.: KYN28A-12
Product Description
Model NO.: KYN28A-12 Shell Material: Steel Plate Function: Controlling, Protection&Monitoring Environment: Indoor Form: All- Packaged Type Shell Protection Grade: IP4X Origin: Jiangyin Yunfeng, China Certification: ISO9001:2000 Structure: Protection Standards: Dl/T 404-2007, IEC298 & GB3906 Type: Power Operation Voltage: High Voltage Trademark: YF Product OverviewKYN28A-12(GZS1) indoor metal-clad extraction type Switchgear("centrally installed switchgear") is 3-12kV three-phase AC 50 Hz whole set of power distribution device with single bus and single bus sectioning system. It is mainly applied for the power transmission of power plants, small and medium generators, power distribution of mining and intrustrial enterprises and power receiving, transmission of sencondary substation of electric utility system and start of large HV Motor ,ect., and it is used for control ,protection and monitoring.The equipment meets requirements standards DL/T 404-2007, IEC 298 and GB 3906, ect. It has interlocking functions of preventing pull and push of Circuit breaker handcart with load, preventing false opening and closing Circuit Breaker, preventing making of circuit breaker when the Earthing switch is at the closing position,preventing entry into live cubicle and preventing mis-closing the earthing switch when the earthing is under live conditions. It can be equipped with not only VS1, V2000, VS1+Vacuum Circuit Breaker, but also VD4 Vacuum circuit breaker manufactured by ABB. It is a device with superior performance.
Model Specification
Application:
It is mainly applied for the power transmission of power plants, small and medium generators, power distribution of mining and industrial enterprises and power receiving, transimission of sencondary substation of electric utility system and start of large HV motor, etc. and it is used for control,pretection and monitoring.
Functions:
1. preventing pull and push of circuit breaker handcart with load;
2. preventing false opening and closing circuit breaker;
3. preventing making of circuit breaker when the earthing switch is at the closing position;
4. preventing entry into live cubicle;
5. preventing mis-closing the earthing switch when the earthing is under live conditions
Main Technical Parameters
Note: The short-time thermal stability current and dynamic stability current of current Transformer are related to the ratio of transformation and they shall be confirmed specifically in ordering. Contact us if you need more details on Switchgear. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Power Distribution、Centrally Installed Switchgear. If these products fail to match your need, please contact us and we would like to provide relevant information.
Model Specification
Application:
It is mainly applied for the power transmission of power plants, small and medium generators, power distribution of mining and industrial enterprises and power receiving, transimission of sencondary substation of electric utility system and start of large HV motor, etc. and it is used for control,pretection and monitoring.
Functions:
1. preventing pull and push of circuit breaker handcart with load;
2. preventing false opening and closing circuit breaker;
3. preventing making of circuit breaker when the earthing switch is at the closing position;
4. preventing entry into live cubicle;
5. preventing mis-closing the earthing switch when the earthing is under live conditions
Main Technical Parameters
Serial No. | Item | Unit | VS1,VYF1 | VD4 |
1 | Rated voltage | kV | 7.2, 12 | |
2 | 1 min power-frequency withstand voltage | kV | 42 | |
3 | Lightning impluse withstand voltage(peak) | kV | 75 | |
4 | Rated frequency | Hz | 50 | |
5 | Rated current | A | 630, 1250, 1600, 2000, 2500, 3150 | |
6 | Rated short-circuit breaking current(effective value) | kA | 16, 20, 25, 31.5, 40, 50 | |
7 | DC component | % | 35 | |
8 | Rated short-circuit making current | kA | 40, 50, 63, 80, 100, 125 | |
9 | 4s thermal stability current(peak) | kA | 16, 20, 25, 31.5, 40, 50 | |
10 | Rated dynamic stability current(peak) | kA | 40, 50, 63, 80, 100, 125 | |
11 | Rated operation sequence | Opening-0.3min-closing,opening-3min-closing,opening | ||
12 | Operation sequence of automatic reclosing lock | Opening-0.3s-closing,opening-3min-closing,opening | ||
13 | Operation sequence of multiple reclosing | Opening-0.3s-closing,opening-15s-closing,opening | ||
14 | Rated voltage of opening, closing and auxiliary loop | V | DC24, 110, 220; AC110, 220 | |
15 | Protection level | IP4X(enclosure); IP2X(opening of circuit breaker door) | ||
16 | Closing time | ms | ≤100 | ≈70 |
17 | Opening time | ms | ≤50 | ≤45 |
18 | Arc time | ms | ≤15 | ≤15 |
19 | Breaking time | ms | ≈65 | ≤60 |
Product Categories : HV Whole Set Switchgear
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