KYN28-24 300A Main Unit Switchgear
KYN28-24 300A main unit switchgear KYN28A- 24 type armored removable AC metal- enclosed switchgear (hereinafter referred to as "switchgear") is suitable for three- phase AC 50Hz power system for receiving and distributing power and controlling, protecting and monitoring of the circuit in real...
Description
KYN28-24 300A main unit switchgear
KYN28A- 24 type armored removable AC metal- enclosed switchgear (hereinafter referred to as "switchgear") is suitable for three- phase AC 50Hz power system for receiving and distributing power and controlling, protecting and monitoring of the circuit in real time. The newly introduced and developed large current and 11igh breaking switchgear can also be used as a high- voltage generator export.
The product is in line with IEC600271 "3-35kV AC metal enclosed switchgear", common technical requirements of high voltage switchgear and control equipment standard", IEC62271 "AC metal-enclosed switchgear and control equipment with rated voltage 1 kV above 52kV and below".
Service environment:
a) Air temperature:Maximum temperature: +40℃; Minimum temperature:-25℃
b) Humidity:Monthly average humidity 95%; Daily average humidity 90% .
c) Altitude above sea level:Maximum installation altitude: 2500m
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake
Technical data
Rated voltage | kV | 23 |
Rated insulation voltage | kV | 24 |
Rated power frequency withstand voltage | kV 1min | 50 |
Rated lightning impulse withstand voltage | kV | 125 |
Rated frequency | Hz | 50/60 |
Rated short time withstand current | kA 3 s | up to 50 |
Peak current | kA | up to 125 |
Internal arc withstand current | kA 1s | up to 50 |
Main busbar rated current | A | up to 4000 |
Circuit-breaker rated current | A | 630 1250 1600 2000 2500 3150 |
Circuit-breaker rated current with forced ventilation | A | 3600 4000 |
Vaccum Circuit Breaker
Description | Unit | Value | |||||||
Rated voltage | kV | 23 | |||||||
Rated short-time power frequency withstand voltage (1min)(1min) | 50 | ||||||||
Rated lightning impulse withstand voltage (peak) | 125 | ||||||||
Rated freq | Hz | 50,60 | |||||||
Rated current | A | 630 | 630 | 1250 | 1600 | 1250 | 1600 | 1600 | 2000 |
1250 | 1250 | 2000 | 2500 | 2000 | 2500 | 2500 | 3150 | ||
3150 | 3150 | 4000* | 4000* | ||||||
Rated short-circuit drop-out current | kA | 20 | 25 | 31.5 | 40 | 50 | |||
Rated short time withstand current | 20 | 25 | 31.5 | 40 | 50 | ||||
Rated short time continual time | s | 4 | |||||||
Rated peak withstand current | kA | 50 | 63 | 80 | 100 | 125 | |||
Rated short-circuit closing current | 50 | 63 | 80 | 100 | 125 | ||||
Rated single/ back-to-back capacitor bank drop-out current | A | 630/400(40kA is 800/400) | |||||||
Rated capacitor bank closing inrush current | kA | 12.5(frequency no more than 1000Hz) | |||||||
Opening time (rated volt.) | ms | 20~50 | |||||||
Closing time (rated volt.) | 35~70 | ||||||||
Mechanical life | Times | 30,000 | |||||||
Rated break times for rated short drop out current | 50 | ||||||||
Rated operation voltage | V | AC110/220 DC110/220 | |||||||
Rated current of power storing motor | W | 70 | |||||||
Average opening speed | m/s | 0.9~1.3 | |||||||
Average closing speed | 0.4~0.8 | ||||||||
Rated operation procedure | opening-0.3s-closing opening-180s-closing opening | ||||||||
FACTORY
CERTIFICATE
EXHIBITION
COMPANY OVERVIEW
FAQ
Q5 : Is OEM/ODM available?
A: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q6 : You are manufacturer or trading company?
A: We are factory, As a 100% professional manufacturer with 20 year's manufacturer experience, we could produce products according to customers' requirements and we could also control the quality of products 100%.
Q7 : Can the price be negotiated?
A: Yes, the price is negotiable. It can be changed according to your quantity or package
Q8 : How about inspection?
A: We have the whole inspection system from raw material to end products include temperature rise test,salt spraying test conductor type test,mechanical life test.
Q9 : What is payment terms?
A: T.T, Paypal,Western Union,Alibaba trade assurance and L/C is acceptable. 30% T/T in advance ,70% balance before shipment.
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Welcome to inquiry
Contact information:
Jiyuan Fengyuan Electrical Equipment Co., Ltd
Sales Department
Contact person:Mr Charles Du
E-mail:fengyuan800@outlook.com
Mobile:+8618639199897(Available for whatsapp,wechat,skype)
Add:Huling industrial zone,jiyuancity,henan province,China
TEL:+86-0391-2180800
FAX:+86-0391-2180818
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