Audited Supplier
A. 25 years experience of production Medium voltage circuit breaker material
B. 18 years for overseas market; you no worry for communication and save time
C. IEC CNAS standard testing lab inside own property factory industrial zone
D. Big Brand trusted material supplier, you no worry for quality control
E. Quality control 3 times 100% inspection testing from raw material, to operating mechanism, to finished Vacuum Circuit Breaker.
1 of the best Medium Voltage material for power transmission and distribution private company in China
JLIAMIGO was joint venture and stand for JULI and SINOAMIGO;
Zhejiang JULI Electric Co., Ltd., start since 2000 focus on Operating mechanism, Vacuum Circuit Breaker and its recloser. So far employees more than 300, annually turn over 30 million USD, and local Medium Voltage Vacuum Circuit Breaker manufacturers 50% material by JULI in Wenzhou China;
With Big Brand, the same core material spring motor drive (operating mechanism), for your medium voltage circuit breaker and GIS switchgear;
SINOAMIGO Power T&D Co., Ltd. was initial founded in 2010, professional manufacturer for medium voltage switchgear panel, switchboard with JULI VCB etc brand Vacuum Circuit Breaker mounted.
In order to better dealing overseas EPC projects, by joint venture company: JLIAMIGO Electric Power (Yueqing) Co., Ltd.
Quality control: 3 times 100% inspection testing
(from raw material, to operating mechanism, to finished Vacuum Circuit Breaker)
1. Raw Material Inspection of Vacuum Circuit Breaker (VCB)
2. Production Line of Vacuum Circuit Breaker (VCB)
3. Production Line and Testing of Operating Mechanism (VCB key parts)
4. Test equipment as IEC standard for Vacuum Circuit Breaker (VCB)
Power frequency testing: 100% according to IEC standards;
Big current testing temperature rising equipment: provide up to 3000A;
Partial discharge testing room: provides two different size for vacuum circuit breaker and GIS switchgear panel;
Lightning withstand voltage testing equipment: were same as the CNAS authoritative third-party testing laboratory, which can provide a maximum of 300kV type test lightning voltage;
5. Warehouse for Vacuum Circuit Breaker (VCB) and its Operating Mechanism
Following 6S Management, always keep neat and clearn.
6. Exhibition and After-sales Service
7. Our Team
Meet with IEC62271-111 and IEEE C37.60
| Item | Unit | Data |
| Rated maximum voltage | kV | 27/38 |
| Rated continuous current | A | 630/800 |
| Fault make capacity (rms) | kA | 12.5/16 |
Fault make capacity (peak) | kA | 32.5/41.6 |
| Power Operating Time (Close/Open) | S | 0.1/0.05 |
| Mechanical operations | 30000 | |
| Rated full load operations | 30000 | |
| Short time current | kA | 12.5/16 |
| BREAKING CAPACITY | ||
| Mainly active (0.7pf) | A | 630/800 |
| Fault break capacity | kA | 12.5/16 |
| Cable charging | A | 25/40 |
| Line charging | A | 5 |
| LIGHTNING IMPULSE WITHSTAND LEVEL | ||
Phase to Earth | kV | 140/170 |
Across interrupter | kV | 140/170 |
| POWER FREQUENCY WITHSTAND VOLTAGE | ||
| Phase to Earth | kV | 60/70 |
| Across interrupter | kV | 60/70 |
Q1: Are you a manufacturer or a trader?
A1: We are a leading professional manufacturer.
Q2: How long is your delivery time?
A2: It depends on your product requirements and quantity. Generally, 15 to 25 working days are required for delivery
Q3: What is your after-sales service?
A3: We can answer users' questions solve their problems 24 hours a day, and provide comprehensive technical support for all our products promptly.
Q4: How do you solve quality problems?
A4: Please provide detailed photos of the quality problems. Our technical and quality inspection departments will analyze them. We will give a satisfactory solution within 2 days.
Q5: Do you accept customized services?
A5: We provide OEM/ODM services and can print your logo on the products. Our professional technical and quotation team can provide satisfactory projects according to your drawings and parameters.
