Customizable 24kv Indoor Circuit Breakers for Tailored Applications

• Customization: Available
• Breaking Capacity: 10kv /11kv /12kv/ 24kv/33kv/40.5
• Operation: Manual/Electric /Energy-Storage
• Model NO.: VS1(Zn63)
• Speed: According to Customer Requirements
• Arc-extinguishing Medium: According to Customer Requirements
• Installation: Fixed/Insert
• Structure: Insert
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: ISO9001-2000, CE, CQC
• Customizable: OEM/According to Customer Requirements
• Transport Package: Standard Shipping Packing
• Specification: 310*681*638mm
• Trademark: CHBEB
• Origin: China
• HS Code: 8535210000
• Production Capacity: 2000/Month

Product Description

Product Description

ZN85-40.5kV Indoor Vacuum Circuit Breaker
Overview:

The ZN85-40.5/T(3AV3) indoor handcart vacuum circuit breaker stands out as a premier solution for three-phase AC systems operating at 50Hz with a rated voltage of 40.5kV. Predominantly utilized in KYN61-40.5(Z) switchgear, this state-of-the-art breaker epitomizes the next generation of power supply and distribution technology. It is meticulously crafted to ensure unparalleled efficiency and reliability, catering to the demanding needs of contemporary power systems.

This remarkable circuit breaker boasts an innovative upper and lower arrangement that significantly reduces its depth. Encased within an insulated tube, the main conductive circuit, vacuum interrupter, and moving/static conductive connections are engineered for optimal performance. The advanced composite insulation design keeps the three-phase arc-extinguishing chambers and associated electrified components securely separated with individual epoxy insulation casings. This ensures adherence to air gap and creepage distance standards under normal conditions. With all primary electrical connections firmly fixed, it guarantees exceptional reliability and longevity.

Key Features:

1. Composite Insulation Design: This sophisticated design ensures strict compliance with air gap and creepage distance standards, while significantly streamlining the device's overall dimensions. Its compact, rational layout is not only highly efficient but also visually appealing.
2. Innovative Operating Mechanism: Tailor-made for this vacuum circuit breaker, the operating mechanism is perfectly aligned with the characteristics of the vacuum interrupter. It promises exceptional reliability, an extended operational lifespan, and the advantage of being maintenance-free.
3. Flexible Handcart Design: Featuring an intuitive screw-rod push mechanism, the design facilitates effortless panel insertion or withdrawal. Enhanced with a robust mechanical interlock, it achieves the critical "Five Prevention" functions, making it adept for diverse operational settings, including the most challenging environments.

Detailed Photos

Product Parameters

Operating Environment:

1. Altitude: Ensures optimal performance at altitudes not exceeding 1000m.
2. Ambient Temperature: Designed to withstand extremes, with a maximum of +40°C and a minimum of -15°C.
3. Relative Humidity:
   • Daily average: Maintains efficiency with humidity levels up to ≤95%
   • Monthly average: Consistently performs with humidity levels up to ≤90%
   • Daily average saturated vapor pressure: Up to ≤2.2kPa for reliable operation
   • Monthly average saturated vapor pressure: Up to ≤1.8kPa for consistent performance
4. Seismic Intensity: Resilient to seismic activities up to ≤8 degrees.
5. Installation Conditions: Ideally situated away from fire, explosion risks, severe vibrations, chemical corrosion, or significant pollution for optimal safety.

Technical Parameters:

Parameter	Unit	Value
Rated Voltage	kV	40.5
Rated Current	A	1250, 1600, 2000, 2500
Rated Short-Circuit Breaking Current	kA	25, 31.5
Dynamic Current (Peak)	kA	63, 80
4-Second Thermal Current	kA	25, 31.5
Rated Short-Circuit Closing Current (Peak)	kA	63, 80
Mechanical Life	Cycles	10,000
Rated Operating Sequence	-	O-0.3s-CO-180s-CO
Power Frequency Withstand Voltage	kV	95
Lightning Impulse Withstand Voltage (Peak)	kV	185
Rated Single Capacitor Device Current	A	630
Energy Storage Voltage	V	AC/DC 110; 120
Energy Storage Power	W	≤230
Energy Storage Time	s	≤15

Application Areas: The ZN85-40.5kV indoor vacuum circuit breaker is expertly engineered for a broad spectrum of high-voltage power systems. It delivers robust protection and precise control for power distribution, establishing itself as the ideal solution for secure, efficient, and reliable system operations.

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