ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker
2. **Rated Current**: This model supports a continuous current rating of up to 1250 A, providing robust protection under normal working conditions.
3. **Tripping Capacity**: With a maximum fault current cutoff capacity of 31.5 kA, the ZN85-40.5M effectively protects your system from overloads and short circuits.
4. **Tripping Time**: The circuit breaker features a rapid tripping time, ensuring prompt disconnection of the current to minimize potential damage and enhance safety.
5. **Operation Mode**: The ZN85-40.5M can be operated in both manual and electric modes, offering flexibility for various operational requirements.
6. **Distance**: After disconnection, the minimum contact distance is maintained at 12 mm, ensuring safe operation and maintenance.
7. **Delivery**: We offer multiple shipping options, including standard and express delivery, to meet your specific requirements.
8. **Packaging**: The ZN85-40.5M is securely packaged in sturdy outer boxes, ensuring protection during transit and delivery.
ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker Introduction
The ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker is a high-performance electrical device designed for use in medium and high-voltage power distribution systems. Manufactured by Shaanxi Huadian Electric Co., Ltd., this vacuum circuit breaker is engineered to provide reliable, long-term protection for industrial applications. The ZN85-40.5M model stands out for its integration of permanent magnetic technology, ensuring stable performance and reduced maintenance needs, making it a preferred choice for medium and large-scale enterprises.
Product Features and Advantages
- High Reliability: The integration of permanent magnetic mechanisms enhances durability and stability, reducing the risk of mechanical failures.
- Low Maintenance: With fewer moving parts, the ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker requires minimal maintenance, lowering operational costs for businesses.
- Environmental Benefits: Vacuum circuit breakers are eco-friendly compared to traditional gas-insulated devices, as they do not use harmful gases like SF6.
- Safety Compliance: Designed to meet international safety standards, including ISO9001:2000, ensuring safety and reliability in various power applications.
Product Structure
The ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker consists of the following key components:
- Permanent Magnetic Actuator: Provides stable performance with fewer mechanical wear points.
- Vacuum Interrupter: Ensures efficient arc extinguishing, critical for high-voltage environments.
- Insulating Framework: Offers high-level insulation to handle varying environmental conditions.
- Manual and Automatic Operation Modes: Provides operational flexibility depending on user requirements.
Main Technical Parameters
- Rated Voltage: 40.5kV
- Rated Current: Up to 3150A
- Short Circuit Breaking Capacity: 40kA
- Mechanical Life: Up to 30,000 operations
- Operating Environment: -30°C to +50°C
| No. | Item | Unit | Data | ||
| 1 | Rated Voltage | Kv | 40.5 | ||
| 2 | Rated Insulation(1min power frequency withstand voltage) | Kv | 95 | ||
| 3 | Rated Insulation(Rated lightning impulse withstand voltage) | A | 185 | ||
| 4 | Rated Frequency | Hz | 50 | ||
| 5 | Rated Current | A | 630 / 1250/ 1600 / 2000 / 2500 | ||
| 6 | Rated Short-circuit Breaking Current | Ka | 25 / 31.5 | ||
| 7 | Rated Peak Withstanding Current | Ka | 63 / 80 | ||
| 8.a | Rated short-circuit making current | Ka | 63 / 80 | ||
| 8.b | Rated Short-circuit Current Breaking Times | F | 20 | ||
| 9 | Breaking Time | ms | ≤80 | ||
| 10 | Rated Thermal Stabilization Time | s | 4 | ||
| 11 | Rated Sequence of Operations | / | O-0.3s-CO-180s-CO | ||
| 12 | Rated Operating Voltage | V | AC110 / AC 220 / DC110 / DC 220 | ||
| 13 | Rated Working Current of Closing and Opening Coil | / | 1.05(110V) / 0.96(220V) | ||
| 14 | Phase Center Distance | mm | 300±1.5 / 380±1.5 / 440± 1.5 | ||
| 15 | Allowable Wear Thickness of Contacts | mm | ≤3 | ||
| 16 | Main Circuit Resistance for Each Phase | μΩ | ≤80 (≤1250A)/ ≤60 (≥1600A) | ||
| 17 | Mechanical Lifetime | F | 30000 | ||
Prodection Details
Product Outline and Installation Dimensions:
(Unit:mm)
Technical requirements：
Circuit breaker distance 22±2mm, overtravel 75±15mm.
Closing speed 0.65±0.15m/s,Opening speed 1.8±0.2m/s.
Circuit breaker resistance ≤60μΩ.
Switching coil current 0.96A(220V),1.05A(110V).
Screw-in distance 600mm.
The plug is on the left side of the product, and the cable length is 700mm.
Product Use Conditions
The ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker is engineered to perform reliably in a wide range of challenging environments, making it an ideal choice for diverse applications. It operates optimally in temperatures ranging from -30°C to +50°C, ensuring consistent performance in both indoor and outdoor installations. This versatility allows it to be used in various settings, from urban infrastructure to remote industrial sites. Additionally, the breaker is designed to be resistant to dust, moisture, and other contaminants, which significantly enhances its durability and ensures long-lasting operation even in harsh industrial conditions. With its robust construction and advanced technology, the ZN85-40.5M provides dependable protection for electrical systems, giving you peace of mind in critical operations where reliability is paramount.
Product Application
This ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker is ideal for a broad range of industries, including:
- Power Plants: Protects power distribution systems from faults and overloads.
- Metallurgy and Mining: Ensures uninterrupted power supply in heavy-duty operations.
- Railways: Used in the electrical infrastructure of railway systems.
- Petrochemical Plants: Safeguards electrical networks in hazardous industrial environments.
OEM Services
At Shaanxi Huadian Electric Co., Ltd., we offer customized OEM services to meet specific industry requirements. Whether you need alterations in design, material choice, or technical specifications, our team works closely with you to provide tailored solutions, ensuring our vacuum circuit breakers meet your unique operational needs.
FAQ
-
What is the advantage of using a vacuum circuit breaker over traditional models?
Vacuum circuit breakers offer longer life spans, require less maintenance, and have a smaller environmental footprint compared to gas-insulated models. -
Can the ZN85-40.5M operate in extreme temperatures?
Yes, this model is designed to work efficiently in temperatures ranging from -30°C to +50°C, making it suitable for various environmental conditions. -
Is technical support available for installation and maintenance?
Yes, we provide comprehensive technical support for installation, operation, and maintenance to ensure the optimal performance of the circuit breaker. -
Can the product be customized to meet specific requirements?
Yes, our OEM services allow for customization to fit the unique needs of your operation. -
What certifications does this product meet?
The ZN85-40.5M Permanent Magnetic Vacuum Circuit Breaker complies with ISO9001:2000 and other international safety and quality standards.
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Contact Us
For inquiries and detailed product information, please contact us at [austinyang@hdswitchgear.com/pannie@hdswitchgear.com/rexwang@hdswitchgear.com]. Our team is ready to assist you with your procurement needs and provide the best vacuum circuit breaker solutions.
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