Siemens 3wt9866-8ja02 High Voltage Vacuum Circuit Breaker for Power Systems

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: 3WT9866-8JA02
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Air
• Installation: Rail Type
• Structure: MCB
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: VDE, ISO9001-2000, CE, CB, CCC
• Transport Package: Carton
• Specification: one
• Trademark: SIEMENS
• Origin: China
• HS Code: 8536200000
• Production Capacity: 1000/Year

Product Description

Title: Siemens 3WT9866-8JA02 High Voltage Vacuum Circuit Breaker: A Comprehensive Guide

Introduction:
The Siemens 3WT9866-8JA02 High Voltage Vacuum Circuit Breaker is a cutting-edge device designed for power systems, offering exceptional performance and reliability. This article delves into the product's key parameters, features, advantages, application scenarios, usage instructions, and safety precautions. It also addresses common questions frequently searched on Google.

Product Parameters:

| Parameter Name       | Parameter Value       |
|----------------------|-----------------------|
| Model                | 3WT9866-8JA02         |
| Voltage Rating       | 12kV                  |
| Current Rating       | 630A                  |
| Breaking Capacity    | 50kA                  |
| Arc Quenching Time   | <0.1s                 |
| Insulation Level     | Class C               |
| Operating Temperature| -40°C to +55°C        |

Product Features:

- High Breaking Capacity: The 3WT9866-8JA02 is capable of breaking 50kA, making it suitable for high-power applications.
- Fast Arc Quenching: The arc quenching time is less than 0.1 seconds, ensuring rapid interruption of the circuit.
- Robust Design: The vacuum interrupter design provides excellent insulation and arc quenching capabilities.
- Low Maintenance: The vacuum circuit breaker requires minimal maintenance, reducing downtime and operational costs.

Application Scenarios:

- Power Systems: Ideal for use in power systems, including substations, industrial plants, and renewable energy installations.
- High-Voltage Distribution: Suitable for high-voltage distribution systems, providing reliable protection against faults.
- Transformer Protection: Used to protect transformers from overcurrent and short-circuit faults.

Usage Instructions:

1. Installation: Ensure the circuit breaker is installed in a dry, well-ventilated environment.
2. Connection: Connect the circuit breaker according to the manufacturer's guidelines, ensuring proper grounding.
3. Operation: Activate the circuit breaker using the appropriate control mechanism, such as a manual or remote switch.

Safety Precautions:

- Electrical Hazards: Always disconnect the power source before performing maintenance or installation.
- Personal Protection: Wear appropriate personal protective equipment, such as insulated gloves and goggles.
- Regular Inspection: Conduct regular inspections to ensure the circuit breaker is in good working condition.

FAQ:

1. What is the voltage rating of the Siemens 3WT9866-8JA02 circuit breaker?
   - The voltage rating of the 3WT9866-8JA02 is 12kV, making it suitable for high-voltage applications.

2. How does the vacuum interrupter improve the performance of the circuit breaker?
   - The vacuum interrupter provides excellent insulation and arc quenching capabilities, resulting in faster and more reliable operation.

3. What is the breaking capacity of the 3WT9866-8JA02?
   - The breaking capacity of the 3WT9866-8JA02 is 50kA, ensuring it can handle high-power faults.

4. How does the circuit breaker protect transformers?
   - The circuit breaker protects transformers from overcurrent and short-circuit faults, preventing damage to the transformer and the power system.

5. What is the operating temperature range of the 3WT9866-8JA02?
   - The operating temperature range of the 3WT9866-8JA02 is -40°C to +55°C, making it suitable for a wide range of environments.

6. How often should the circuit breaker be inspected?
   - Regular inspections should be conducted to ensure the circuit breaker is in good working condition, typically every 6 months.

7. What personal protective equipment should be worn when working with the circuit breaker?
   - When working with the circuit breaker, wear insulated gloves, goggles, and other appropriate personal protective equipment.

8. How does the circuit breaker connect to the power system?
   - The circuit breaker connects to the power system using appropriate wiring and grounding techniques, as per the manufacturer's guidelines.

9. What are the advantages of using a vacuum circuit breaker over traditional oil-filled circuit breakers?
   - Vacuum circuit breakers offer advantages such as lower maintenance, faster arc quenching, and improved insulation capabilities compared to traditional oil-filled circuit breakers.

10. What should be considered when choosing the power rating of the circuit breaker?
    - When choosing the power rating of the circuit breaker, consider the actual load requirements, safety factors, and potential overload conditions.

Beijing Zhongping Technology Co., Ltd. is a leading provider of industrial automation solutions, intelligent robotics, and advanced system integration services. With decades of expertise, the company has established long-term strategic partnerships with global industry leaders such as Siemens, ABB, Schneider Electric, KUKA, Yaskawa, and FANUC, leveraging their cutting-edge technologies to deliver innovative, tailored solutions across diverse sectors.

Specializing in technical support, product distribution, and end-to-end engineering services-including system design, installation, commissioning, and maintenance-Beijing Zhongping Technology ensures seamless operational efficiency for clients in industries spanning automotive manufacturing, battery production, aerospace, oil and gas, chemical processing, food and pharmaceuticals, logistics, metallurgy, and heavy machinery. By harnessing its robust global supply chain network and a highly skilled technical team, the company guarantees precision-driven resource allocation, rapid response capabilities, and cost-effective procurement strategies. These capabilities empower clients to streamline operations, reduce downtime, and enhance competitive advantage in dynamic markets. Committed to excellence, Beijing Zhongping Technology remains dedicated to advancing industrial innovation while fostering sustainable growth and value creation for enterprises worldwide.
Q1: What is the core business scope of Beijing Zhongping Technology Co., Ltd.?
The company's business scope primarily covers comprehensive industrial robot supply chain services, industrial automation technologies and technical services, digital smart factory solutions, and hydraulic intelligent control products and services.

Q2: Which brands does the company collaborate with?
The main cooperative brands of the company are SIEMENS,ABB,Schneider,DELTA,WEINVIEW,MCGS,ADVANTECH,OMRON,Simphoenix,RITTAL,MOXA,ESTUN, RKC, YASKAWA, HIKVISION, FANUC, MITSUBISHI ELECTRIC, KUKA, Fuji Electric, SICK, Walvoil, CASAPPA, EATON, Bosch Rexroth Group, Parker etc.

Q3: What are our competitive advantages compared to other suppliers?
With our robust supply chain capabilities and global presence, we deliver faster, more efficient services. We strive to offer the best possible prices to demonstrate our sincerity and value.

Q4: How long does delivery take? What about shipping costs?
Delivery timelines and shipping costs depend on the specific model(s) and quantity you require. Please share your current needs with us for precise details.

Q5: Can't find the model you need?
We showcase only a selection of models here. If you cannot find your desired model, contact us directly for further assistance.

Q6: How to contact Beijing Zhongping Technology Co., Ltd.?
Beijing Zhongping Technology Co., Ltd.