400V-40.5Kv Switchgear

1. Introduction
KYN28-12 indoor metalclad withdrawable switchgear is designed to be complete distribution equipment with three-phase A.C. singe busbar and single busbar section system having a rated voltage of 3.6~12kV and rated frequency of 50Hz.The switchgear is mainly employed in receiving and distribution of power energy from the network as well as starting of large-sized HV motors. In addition, the switchgear is provided with controlling, protection and monitoring functions. The switchgear conforms to IEC 298, GB 3906, DL/T404-91 and other standards. The switchgear itself owns five prevention functions such as prevention of misoperation of circuit breakers, prevention of pushing or pulling truck with load, prevention of closing earth switch under voltage, prevention of supplying power when earth switch is at the earth position and prevention of entering the electrical separation zone by accident. The switchgear selects not only VS1 vacuum circuit breakers but also ABB made VD4 vacuum circuit breaders, thus recogninzed as power distribution equipment with excellent performance.

2. Working condition
2.1 altitude: 1000m
2.2 temperature: -10celsius degree ~+40celsius degree
2.3 relative humidity: daily average value 95%, monthly average value 90%
2.4 saturated vapor pressure: daily average value 2.2 10-3MPa, monthly average value 1.8 10-3MPa
2.5 earthquake intensity: less than 8 degree
2.6 protect the product from fire, explosion, earthquake and corrosion atmosphere.

3. Main features:
3.1. the enclosure is completely adopts the aluminum-zinc alloy coated steel sheet, which are machined and bent by machine tool and then bolted;
3.2. all the operations are under the door closing condition
3.3. with high protection category, can prevent intruding of sundries and insects
3.4. simple efficient 5 protection function can prevent operating incorrectly
3.5. the removing compartment of the switchgear may be assembled with VS1(ZN63A) or VD4 vacuum circuit breaker according to customer s demand
3.6. the replacing of VCB is simple and the interchangeability of truck is good.
3.7. the cabinet body can be installed against the wall, so the maintenance can be made in front of the cabinet and the cover area can be reduced too.
3.8. cable compartment has enough room, can connect muti-cable
3.9. high speed earthing switch is used for grounding and loop short circuit
3.10. VCB vault, relay vault and cable vault can add extra heater separately according the demand of customer, in order to avoiding condensation pheromone and corrosion.
3.11. VCB vault and cable compartment can add extra lighting device separately, in order to convenient maintenance.

4. Main technical parameters
4.1 main technical of vacuum switchgear

item unit parameter
Rated voltage kV 3.6 7.2 12
Rated current A 630 1250 1600 2000 2500 3150
Rated frequency Hz 50
Rated short-time withstand current kA 16 20 25 31.5 40
Rated peak withstand current kA 40 50 63 80 100
Rated power-frequency withstand voltage kV 42/1min
Rated lightning impulse withstand voltage kV 75
Rated duration of short circuit S 4
Degree of protection IP4X


4.2main technical parameters of vacuum circuit breaker
Item Unit Parameter
Rated voltage kV 12
Rated current A 630 1250 1600 2000 2500 3150
Rated short circuit breaking current kA 25 31.5 40
Rated short-time withstand current kA 25 31.5 40
Rated short circuit making current kA 63 80 100
Rated short-time power-frequency withstand voltage kV 42/1min
Rated lightning impulse withstand voltage (peak) kV 75
Rated short circuit duration S 4
Closing time (rated voltage) ms 35 t 70
Opening time (rated voltage) ms 20 t 50
Rated breaking times of short circuit times 50 (40kAis 30)
Mechanical life times 20000

4.3main technical parameters of operation mechanism
Item Unit parameter
Rated operation voltage Opening coil V DC220/110
AC220/110
Closing coil
Rated operation current Opening coil A (DC/AC)220/110V: 0.9/1.8
Closing coil (DC/AC)220/110V: 1.0/2.0
Power of energy storage motor W 70
Rated voltage of energy storage motor V DC220/110 AC220/110
Energy storage time S 15

5. Structure instruction
The basic structure of switchgear panel comprises the panel itself and a removing part (truck). The enclosure and clap-board of the switchgear is bolted with Al-Zn alloy coated steel.Enclosure protection degree of switchgear is IP4X, and the protection degree of every vault is IP2X.


800/1000*1500*2300mm.

WSD-VZF(R) -27/630-25 removable vacuum load switch + fuse combination electrical appliances (hereinafter referred to as combination electrical appliances) is a new generation of three-phase AC 50Hz, rated voltage 27kV indoor switchgear developed according to unique design concept and market demand. It is widely used in indoor armoured air insulated switchgear. It meets the requirements of GB3804-2004, GB16926-1997 and other standards. Under normal operating conditions, as long as the technical parameters of the vacuum switch are within the range, it can ensure the safe and reliable operation of the corresponding voltage level of the power grid.
Environmental Conditions for Use
The ambient temperature should not be higher than + 40, not lower than 10 (storage and transportation allowed at 30)
Elevation does not exceed 1500m.
Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%, the daily average of saturated vapor pressure is not more than 2.2 x 10-3 Mpa, and the monthly average is not more than 1.8 x 10-3 Mpa.
Earthquake intensity does not exceed 8 degrees.
No fire, explosion danger, serious pollution, chemical corrosion and violent vibration.

Isolator switch
(1)inh-100 isolator switch
The items can switch on, load and break the current under normal conditions, using as switch disconnectors. The items comply with iec60947-3 & gb14048.3.
Rated voltage: 230/400v
Rated current: 40, 63, 80, 100a
Pole number: 1, 2, 3, 4
(2)it10-100 isolator switch
The items can switch on, load and break the current under normal conditions, using as switch disconnectors. The items comply with iec60947-3 & gb14048.3.
Rated voltage: 230/400v
Rated current: 100a
Pole number: 2
Zhejiang inte industrial electric co., ltd. Was founded in 1984 and is iso 9001: 2000 certified.
We mainly manufacture circuit breaker, thermal protector, thermostat and counter etc. Electrical and electronic equipments. Some of our products have got ccc, ul, vde, ce, saso approval.
Please feel free to contact us your interest.

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Application:Widely used in: welding machine, washing machines, air conditioners, refrigerators, furniture, thermostats, electric hot water bottle, electric kettles, electric heaters, electric ovens, water heaters, water dispenser, microwave, sterilizer, electric pressure cookers, rice cookers and other industrial and household appliances temperature control products.
The Product Sells Point:
Key Specifications/Special Features:

The company produces mainly thermostat KSD series of sudden jump bimetallic thermostat,
Especially in high-power thermostat-oriented products, in this regard there is a lot of experience and a strong research and development capabilities of the company's,, stable temperature performance, high precision, carrying current, synchronous product good. Key raw materials from abroad, with the United States Emerson comparable products. Is currently the only one made by the 60A current CE, TUV, UL, CUL and CQC safety certification. The company produces thermostat varieties, the current from 5A-60A, the voltage from 110V-400V. Existing home but also for industrial use.

Technical parameters: AC250V, 400V 15A-60A
Temperature range: -20 ? -180 ?
Reset Type: Manual reset
Safety Certification: TUV CQC UL CUL S ETL

performance and the principle of high current thermostat
KSD30R series thermostat, with the shell closed bimetal contact temperature temperature relay, thermal expansion and contraction principles of sheet metal bent to reach the set temperature, the disconnect can be manually reset after the temperature drops, appliances from the security role.

Large current thermostat product specifications
(1) functions: temperature protection and thermal protection, anti-dry
(2) Electrical Characteristics: AC125V ~ the 250V/15A ~ 30A ~40A ~50A ~60A
? maximum ambient temperature: 180 ° C
(4) Operating temperature range: 0 ° C to 180 ° C (optional). Temperature tolerance: ± 5
? normal insulation resistance:> 100MO
? normal contact resistance: = 100mO
? service life:> 10,000

high current thermostat Note
(1) using the contact temperature installation, the metal cover up snapping charged with the mounting surface of the apparatus.
? installation can not cover up the pressure deformation, so as not to affect performance.
(3) To prevent leakage, the use can not allow the liquid to penetrate inside the thermostat, so as not to affect the electrical reliability.
? this product for bipolar wiring method, when used in accordance with the marker, the correct wiring.
? products should be less than 90% relative humidity, ambient temperature below 40 ?, ventilation, clean, dry, non-corrosive gases warehouse store.

PT-100 WZPK-330 Nusa Penida power
Since its establishment, YOYIK has always adhered to the principle of technology first and quality first. It has a team of senior engineers and technical workers in the industry. They integrate their rich experience in power station construction into product design and manufacturing to ensure efficiency and accuracy in every link. The company provides a full chain of services from equipment selection to after-sales maintenance, guided by customer needs, continuously optimizes solutions, and promotes the development of the energy industry.
Yoyik can offer many spare parts for power plants as below:
#DF-PT-100 WZPK-330 Nusa Penida power-DF
Heater for low woltage switchgears DRJ100 100W
Rotor Position proximity Transducer ES-11
Power unit FDPC200-A
LIMIT SWITCH WL-CA2-2
resistive linear position sensor TDZ-1E-43 0-135
CBU Board CS05711OU
Sensor DF310806
Transmitter Vibrasi Fan Dual vibration monitor PDM1201-AXX-B1-C0-D1- E2-F0
Thermistor HSDS-40/Z
SPEED MONITOR XJZC-03A/Q
AMMETER 6C2-A
LVDT Sensor 4000TD-15-01
LVDT Converter ZDET-300B
SENSOR VIBRATION VELOCITY SZCB-01-A2-B1-C3
mag pickup speed sensor NE3971-31-90-08-02-00
RTD WRP2-221
high temperature lvdt TDZ-1E-03
CARD MODULE MODUL POWER 2SA5031-5EE13-4BA4-Z
ROTOR ECCENTRICITY PR6424/010-010
DF Communication cable RS232
Socket for relay 62.33.9.220.0300
Diode MDC-55A-1400V
automatic temperature WSSX-411 0-100â?? L=75MM M27*2
Temp sensor PT100 WZPM2-08-120-M18-S
Bolt electric heating rod ZJK3-12
Serial Communication Card PCA-485B
8mm Eddy Current Sensor TM301-A02-B00-C00-D00-E00-F00-G01
LVDT transmitter XCBSQ-01/600-01-01
speed sensor CS-3-M10-L220
Synchronous signal measuring card U12
thermal resistor sensor TR-301-306
Shear Pin CJX-09
DC bolt heater (hose) ZDK/�¦22*650*460
magnetic pickup distributor ZS-04 L=90
Temperature measuring element WZPMA8.7*16B-3*800
Sensor DF312580-90-02-02
PT-100 WZPK-330 Nusa Penida power
MY-DFYL-2025-3-6

GCS type low-voltage draw-out switchgear, suitable for power plant, petroleum, chemical, metallurgy, textile, high-rise building and other industries of the power distribution system. In large power plants, petrochemical systems and other high degree of automation, requiring the interface with the computer, as a three-phase AC frequency of 50(60)Hz, rated operating voltage of 400V, 660V, rated current of 5000A and below the power supply system in the distribution, motor centralized control, reactive power compensation of the use of low-voltage complete sets of distribution devices. The device is designed to meet the following criteria: IEC439-1
"Low-voltage Switchgear and Control Equipment" GB7251 "Low-voltage Switchgear"

Main technical parameters
Name Unit Data
Rated voltage kV 3.6 7.2 12
Rated frequency Hz 50
Circuit breaker rated current A 630 1250 1600 2000 2500 3150
Rated current of switchgear A 630 1250 1600 2000 2500 3150
Rated short-time withstand current (4s) kA 20 25 31.5 40
Rated peak withstand current (peak) kA 50 63 80 100
Rated short-circuit breaking current kA 20 25 31.5 40
Rated short circuit closing current (peak) kA 50 63 80 100
rated
Insulation level 1min power frequency withstand voltage Between poles, poles to the ground kV 24 32 42
Between fractures kV 24 32 42
Lightning impulse withstand voltage (peak) Between poles, poles to the ground kV 40 60 75
Between fractures kV 46 70 85
Class of protection The enclosure is IP4X, and the compartment and circuit breaker room doors are IP2X when opened.
Overall dimension
Hight 2300
Width Rated current 1250A and below 800
Rated current 1600A and above 1000
Depth Cable inlet and outlet 1500
Overhead inlet and outlet line 1660

Product type, classification and basic parameters
1.Product model and its meaning
2. Basic parameter
Rated voltage: 10kV, 6kV;
Rated current:1250A 1000A 800A 630A 500A 400A 315A 200A 150A 100A 50A; Class of protection: IP43;
Number of short circuit breaking and closing currents: separate 0.3s Combine and separate 180s Combine and separate 5timesï¼?separate14timesï¼?Combine and separate 11 timesï¼?
Rated short-circuit breaking current: 31.5kA (RMS);
Rated short-circuit closing current: 80kA (peak);
Rated short-time withstand current: 31.5kA (effective value);
Rated peak withstand current: 80kA (peak);Rated short circuit duration: 4s;
Rated short circuit breaking times:30times Main protection functions:
1)Short circuit protection
2)Overload protection
3)Zero sequence overcurrent protection
4)Zero sequence overvoltage protection
5)Over and under voltage protection
In addition, it has the functions of fault memory, fault query, self-test and so on.
Technical requirement
1.General requirement
1.1The switchgear shall meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by the designated inspection unit.
1.2In addition to meeting the technical conditions, it should also meet the provisions of GB/T12173-2008 standard.
2.Environmental condition
The switchgear shall work normally under the following conditions:
a)Altitude: 1000m;
b)Ambient temperature: -20 ~40 ;
c) Relative humidity: 95%;
d) In a gas or steam environment without damaging insulation;
3 .Shell
3.1Material
The shell of the switch cabinet is made of 2.5mm thick cold-rolled steel plate.
3.2intensity
The material of the switch cabinet shell conforms to the provisions of GB3836.1-2010 Chapter 8, and shall withstand the impact strength impact test of 1kg/7J.
3.3Class of protection
The protection capacity of the switch cabinet housing should comply with the provisions of GB3836.3-2010 Article 4.9, and the protection capacity should not be less than IP43.