24kV AC medium voltage circuit breakers spring energy storage mechanism insulation reinforced vacuum circuit breaker
Product Description
Product Description
Description:
The ZN12-24 Vacuum Circuit Breaker is an Indoor High-Voltage Switchgear with a rated voltage of 24kV and three-phase AC 50Hz. Its Operating Mechanism is a spring energy storage type, which can be operated by AC or DC, or manually.This Circuit breaker is a reinforced insulation type, which meets the requirements of the use environment in Class II polluted areas.
This Circuit Breaker has simple structure, strong breaking capacity, long life, complete operation functions, no explosion hazard, simple maintenance, suitable for control or protection switch of power plant, substation and other transmission and distribution systems, especially suitable for breaking important loads and frequently operated places.
This product complies with the GB1984-89 "AC High Voltage Circuit Breaker" standard.
Applying Ambient Conditions:
1.Altitude: less than 1000m
2.Ambient temperature: highest +40℃, lowest -25℃
3.Relative temperature: daily average not more than 95%, monthly average not more than 90%
4.Earthquake intensity: less than 8 degrees
5.No fire, explosion hazard, no corrosive gas and no violent vibration
PS: Products with special requirements, specifications and dimensions that need to be improved can be designed and manufactured according to user requirements.
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Product Paramenters
S/N | Item | Unit | Parameter |
1 | Rated voltage | kV | 24 |
2 | Rated current | A | 1250 1600 2000 |
3 | Rated short-circuit breaking current | kA | 31.5 |
4 | Dynamic stability current | kA | 80 |
5 | 4s thermal stability current | kA | 31.5 |
6 | Rated short-circuit making current (peak value) | kA | 80 |
7 | Rated short-circuit current breaking times | time | 20 |
8 | Rated operating sequence | o-0.3s-co-180s-os | |
9 | Lightning impulse withstand voltage (full wave) | kV | 125 |
10 | Rated short-time power frequency withstand voltage (1min) | kV | 65 |
11 | Closing time | s | ≤0.09 |
12 | Opening time | s | ≤0.055 |
13 | Full breaking time | s | ≤0.09 |
14 | Mechanical life | time | 10000 |
15 | Rated current breaking times | time | 10000 |
16 | Rated capacitor bank breaking current | A | 630 |
17 | Energy storage Motor power | W | 275 |
18 | Rated voltage of energy storage motor | V | 110 220 |
19 | Energy storage time | s | ≤15 |
20 | Rated voltage of closing electromagnet | V | 110 220 |
21 | Rated current of opening electromagnet | V | 110 220 |
22 | Rated current of overcurrent release | A | 5 |
23 | Auxiliary switch rated current | A | AC 10 DC 5 |
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FAQ
Q: Could I have prices of your products? A: Welcome. Please feel free to send us an inquiry here. We will reply you within 24 hours.
Q: Can I get a sample before the bulk order? A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable. Q: Can we print our logo/ company name on products? A: Yes, of course, we accept OEM, then need you to provide brand authorization to us Q:Do you accept product customization? A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation Q: What is the lead time? A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment. Q: What is your Trade Terms? A: We accept EXW, FOB, CIF, FCA, etc. Q: What is your payment method? A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc Q: Do you inspect the finished products? A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment Q: How to solve the quality problems after sales? A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Product Categories : Vacuum Circuit Breaker > 24kv vacuum circuit breaker
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