Auto Recloser MCB DC Electrical Smart Intelligent Vacuum Circuit Breaker Price

Product Description

1. PRODUCT OVERVIEW
The FRZN-VS1 indoor high-voltage vacuum circuit breaker is an indoor switching device for a 24KV power system with a rated voltage of 50Hz. It serves as a protection and control unit for power equipment in the electrical grid and industrial and mining enterprises. It is suitable for frequent operations under rated working current or places with multiple short-circuit currents. This circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body. It can be used as a fixed installation unit or equipped with a dedicated propulsion mechanism to form a handcart unit.
Series chart:Indoor High Voltage Side-Mounted Vacuum Circuit BreakerIndoor High Voltage Sealed Vacuum Circuit BreakerIndoor Electrified Railway Vacuum Circuit BreakerHandcart Series (Isolation Cart, Fuse Cart, PT Cart, Measurement Cart)
2. USAGE CONDITIONS
♦ Ambient air temperature: -15ºC to +40ºC;
♦ Altitude: ≤3000m (if higher altitude is required, the rated insulation level should be correspondingly increased);
♦ Amplitude: Seismic intensity not exceeding 8 degrees;
♦ Average daily relative humidity of air not exceeding 95%, monthly average not less than 90%;
♦ No fire, severe pollution, explosive, chemical corrosion, or severe vibration
3. PARAMETERS

NO.	ITEM	UNIT	VALUE
1	Rated voltage	kV	24
2	Rated short-time power frequency withstand voltage (1min)	kV	65/79 (phase-to-phase, ground/opening)
3	Rated lightning impulse withstand voltage (peak)	kV	125/145 (phase-to-phase, ground/opening)
4	Rated frequency	Hz	50
5	Rated current	A	630, 1250	630, 1250, 1600 2000,2500,3150	630, 1250, 1600 2000,2500,3150
6	Rated short-circuit breaking current	kA	20/25	31.5	40
7	Rated short-time withstand voltage	kA	20/25	35.5	40
8	Rated short-circuit duration	s	4
9	Rated peak withstand current	kA	50/63	80	100
10	Rated short-circuit closing current	kA	50/63	80	100
11	Secondary circuit power frequency withstand voltage (1min)	V	200
12	Rated single/back-to-back capacitor group breaking current	A	630/400(40kA for 800/400)
13	Rated capacitor group closing surge current	kA	12.5(frequency not exceeding 1000Hz)
14	Mechanical life	time	20000
15	Rated current breaking times (electrical life)	time	20000
16	Rated short-circuit current breaking times		50(40kA≤30)
17	Allowable cumulative thickness of dynamic and static contact wear	mm	3
18	Energy storage time	s	≤10
19	Contact opening distance	mm	14±1
20	Overtravel	mm	3.5±0.5
21	Contact closing bounce time	ms	≤2(40kA≤3)
22	Intermittency of three-phase opening and closing	ms	≤2
23	Average opening speed (contact separation - 8mm)	m/s	1.5±0.2
24	Average closing speed (8mm - contact closure)	m/s	0.8±0.2
25	Dominant circuit resistance	μΩ	≤50(630A)≤45(1250A) ≤35(1600-2000A)≤25(2500A and above)
26	Rated operating sequence		Opening - 0.3s - Closing - 180s - Closing

4. APPEARANCE AND INSTALLATION DIMENSIONS
842
5. LEAD TIME:
The delivery time is usually determined by the type and quantity of the product, typically ranging from 15 to 20 days.
6. WHY CHOOSE US?
1), Innovation Strength
Fenarro has a professional research and development team consisting of over 30 technical engineers. The production design incorporates advanced international technology and is equipped with updated equipment systems. It follows the highest international standards for experiments and has invested over 30 million US dollars in research and development expenses.
2), Quality Control
Fenarro has over 40 professional testing equipment, 5 production lines, and 2 measurement centers, with strict quality control processes in place to ensure that our products meet international certification requirements.
3), Quantity and Productivity
Fenarro has six workshops and nearly 230 well-trained employees, with the help of modern automated production lines, our annual production capacity is 150,000 sets of equipment.
4), Our Service
I). By promptly addressing customer inquiries and concerns, we provide a quick response during the pre-sales period to secure the orders and achieve success in the B2B realm.
II). Our service is synonymous with excellence throughout the production process. We pride ourselves on our meticulous attention to detail, our team of experienced professionals, effective communication, and unwavering commitment to timeliness.
III). Our team of experts is dedicated to solving any issues that may arise after your purchase. We pride ourselves on our prompt and effective communication, ensuring that you are always kept in the loop and informed of any updates or progress.
IV). The essence of our warranty program lies in its ability to instil confidence in our customers. By providing a long period quality warranty, we aim to eliminate any doubts that may arise during the decision-making process.
7. FAQ
Q: Are you a factory or a trading company?
A: We are a factory.
Q: How to place an order?
A: Inquire with us → Customize with your design or sample → Inform us of your usage scenario → Receive our product design recommendation → Negotiate details → Confirm sample → Sign contract/deposit → Mass production → Goods ready for shipment → Delivery → Further cooperation.
Q: How about sample orders?
A: We provide samples for reference, please contact us for details. Once we charge you for the sample fee, please rest assured that the fee will be refunded when you place a formal order.
Q: What shipping methods are available?
A: We offer various shipping methods such as express, sea, air, and land transportation. If you need to specify other shipping methods, please contact us.
Q: How long does it take for delivery and shipment?
A: Delivery time depends on the type and quantity of products you order. Usually, it takes 15-20 days.
Q: What can I do if some products are missing from my package?
A: Please contact our support team, we will confirm your order contents with the packaging and compensate for the missing products according to the actual situation. We apologize for any inconvenience caused.
Q: How to confirm payment?
A: We accept payment methods such as wire transfer and PayPal. Other payment methods are also acceptable, please contact us before making payment through other methods. Additionally, a 30% deposit is feasible, and the balance should be paid before shipment.

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