This switch device meets the requirements of DL/ t404-91, IEC298, GB3906 and other standards, and has the functions of preventing wrong operation of circuit breaker, pushing and pulling handcart with load, grounding line, power transmission with grounding line and accidental charging interval (referred to as "five precautions")
Switchgear Structure
The Specification
| No |
Item |
Unit |
Parameter |
| 1 |
Rated voltage |
kV |
7.2kV, 12kV, 17.5kV, 24kV |
| 2 |
Ratec frequency |
Hz |
50/60 |
| 3 |
Rated current |
A |
630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 4 |
Branch busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 5 |
Main busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 6 |
1 min power frequency withstand voltage(wet/dry) |
kV |
38/48, 50/60/60/65 |
| 7 |
Lightning impulse withstand voltage |
kV |
75, 95/125 |
| 8 |
Rated short circuit breaking current(peak) |
kA |
40/50/63/80/100 |
| 9 |
Short time withstand current(4s) |
kA |
20/25/31.5/40 |
| 10 |
Protection type |
|
IP4X for housing |
| No |
Item |
Unit |
Parameter |
| 1 |
Rated voltage |
kV |
36kV, 40.5kV |
| 2 |
Ratec frequency |
Hz |
50/60 |
| 3 |
Rated current |
A |
630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 4 |
Branch busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 5 |
Main busbar rated current |
A |
630, 1250, 1600, 2000, 2500, 3150, 4000 |
| 6 |
1 min power frequency withstand voltage(wet/dry) |
kV |
70/95 |
| 7 |
Lightning impulse withstand voltage |
kV |
170/185 |
| 8 |
Rated short circuit breaking current(peak) |
kA |
20/25/31.5/40 |
| 9 |
Short time withstand current(4s) |
kA |
40/50/63/100 |
| 10 |
Protection type |
|
IP4X for housing |
Our Workshop
Company introduction
Qingdao Hengfengyou Electrical Engineering Co., LTD., subordinate to Hengfengshuai Group, is an export-oriented enterprise with transmission and distribution industry as its main business, integrating product research and development, manufacturing and trade. Its main products include power transformers, medium and low voltage switch cabinets, circuit breakers and other power distribution equipment and power engineering services.
HFY Certificate
The Finished Power Project
Our Services
1.Pre sale service
a. make technical solution
b. send quotation, technical data sheet and drawing
c. prepare power transmission plan, testing plan and shipment plan
2. In sale service
a. supervise the manufacturing schedule totally in accordance with the plan
b. send photos to customer during every manufacturing process(hold point)
c. inform the customer one week before testing.
d. quick response within 12 hours any time.
3. After sale service
a.All parts are under Two Years Warranty with defects from manufacturer. All spare parts and component can be offered for free from the original manufacturer or HFY.
b. Training
We will provide free training to your technician free of charge at our factory site in Shanghai, China. The total training period would be 2 working days. All travel and related expensed would be at the purchaser's expense.
c. Technical Documents:
Original operation and service manuals, the service manual is completed with wiring diagram, block diagram and trouble shooting information.
d. Installation
Usually, clients can do the installation and operation by themselves when following the detailed English user manual. If clients want our technician do this work, please read the following terms:
The initial installation is not included with the professional HFY team member. All installation with the Hengfengyou team must be scheduled at least 4 weeks in advance before actual trip taken. All necessary connectivity must be ready prior the service being scheduled.
While Hengfengyou team member arrives at the site for a complete and final installation, two days training course will be provide to the customer for operation and maintenance procedure. The initial installation is provided within 5 working days excluding travel days. The actual installation days may vary, based on different machine mode. Each day of working hour consist at 8 working hours. Any additional day will be charge according to our service fee listed below.
When initial installation is being called for the Hengfengyou team required, the surcharge will be made in advance by the purchase at US$100/person/day plus all travel expenses. Travel expenses; local and destination transportation charges (air, train, ferry, bus, taxi or any means of transportation required to arrive to/from destination); accommodation (minimum of 3 star hotel facility) and 3 daily meals
Our Team and Exhibition
FAQ
Q1: Is OEM/ODM available?
A1: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.
Q2: What's your MOQ?
A2: One Set.
Q3: How is the delivery time?
A3: It depends your order quantity and it normally takes about 15-20 days.
Q4: How do you control the quality?
A4: We have QC team comply with TQM to ensure the quality. Each step is in compliance to the standards. At the same time, we will take photos and shoot video for you if you need.Every product will be fully assembled and carefully tested before packing and shipping.
Q5: How long is the warranty?
A5: Within one year from the sale date, if there are any accessory problems, you just provide the photos of damaged accessory, then we will provide free accessory. According to the number of products, we will provide easily damaged accessories for free. We also can provide technical support if you need.
Audited Supplier 
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