| Customization: | Available |
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| Certification: | CCC, ISO9001, CE |
| Shell Material: | Steel Plate |
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Normal Service Conditions
1. Environmental conditions: maximum temperature: + 40p, minimum temperature: - 15p, and the average value measured within 24h shall not exceed 35p;
2. The temperature conditions are as follows: the average value of daily relative humidity shall not exceed 95%; The average monthly relative humidity shall not exceed 90%; The average value of daily water vapor pressure shall not exceed 2.2kpa; The average monthly water vapor pressure shall not
exceed 1.8kpa;
3. The altitude shall not exceed 1000m;
4. The surrounding air is not obviously polluted by dust, smoke, corrosive or combustible gas, steam or salt mist;
5. Vibration or ground motion from the outside of switchgear and control equipment can be ignored;
6. The amplitude of electromagnetic interference induced in the secondary system shall not exceed 1.6kv .
Special Service Conitions
When it is used under normal environmental conditions beyond those specified in GB / t11022, the company and users can negotiate and reach an agreement on special operating conditions beyond normal operating conditions. In order to prevent condensation, the switchgear is equipped with a
heater, which shall be put into use when the switchgear is in standby state. The heater shall also be put into operation during normal operation of switchgear.
| No | Item | Unit | Parameters | ||||
| 1 | Rated voltage | KV | 24 | ||||
| 2 | Rated frequency | Hz | 50/60 | ||||
| 3 | Rated Insulation level | Lightning impulse withstand voltage(beak) | KV |
Phase to ground |
60 | Isolation fracture |
79 |
| 1min working frequency withstand voltage(effective value) | 125 |
145 |
|||||
| Power frequency withstand voltage of auxiliary control circuit |
V |
2000 |
|||||
| 4 | Rated current | A | 630,1250,1600,2000,2500,3150 | ||||
| 5 | Rated short-circuit breaking current |
KA | 20 | 31.5 | |||
| 6 | Rated short-circuit making current (peak) |
KA | 50 | 80 | |||
| 7 | Rated short-time withstand current (4S) |
KA | 20 |
31.5 |
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| 8 | Rated peak withstand current | KA | 50 | 80 | |||
| 9 | Rated voltage of auxiliary control circuit |
V | DC/AC 110/220 | ||||
| 10 | Degree of protection | IP4X(Circuit breaker room door open or compartment:IP2X) |
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| 11 | Overall dimension(W×D×H) |
mm | 800×1810×2380 | 1000×1810×2380 | |||
| 12 | Weight | KG | 840~1440 | ||||
1. Are you a trading company or a manufacturer?
We are a professional manufacturer of high and low voltage switchgear, substations, transformers, cable distribution boxes and various electrical equipment, such as vacuum circuit breakers, load disconnect switches, etc., with 10 years of experience, our factory is an excellent supplier of State Grid Corporation of China.
2. Do you accept custom service?
We offer OEM/ODM services to print your logo on the product. Our professional technical and quotation team can provide a satisfactory project according to your drawings and parameters.
3. What is your minimum order quantity?
Our minimum order quantity is 1 piece.
4. What is your lead time?
It depends on your product requirements and quantity. It usually takes 5-10 working days
5. How do you solve quality problems?
Please provide detailed photos of the quality problem, our technical and quality inspection department will analyze it, and we will provide you with a satisfactory solution within 2 days.
6. What are your terms of payment?
30% telegraphic transfer, 70% before shipment. Western Union, letter of credit is also acceptable.
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