Efficient 40kv Indoor Circuit Interrupters for Enhanced Performance

• 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:

Introducing the ZN85-40.5/T(3AV3) indoor handcart vacuum circuit breaker, a cutting-edge three-phase AC 50Hz mechanism with an impressive rated voltage of 40.5kV. This groundbreaking device seamlessly integrates into KYN61-40.5(Z) switchgear, representing the pinnacle of modern power supply and distribution equipment. Engineered for exceptional efficiency and reliability, it meets the rigorous demands of today's power systems.

This advanced circuit breaker boasts a unique upper and lower arrangement structure, intelligently minimizing the breaker's depth. Encased within a meticulously designed insulated tube, the main conductive circuit, vacuum interrupter, and moving/static conductive connections deliver superior performance. Its state-of-the-art composite insulation framework distinctly separates the three-phase arc-extinguishing chambers, while independent epoxy insulation casings ensure compliance with air gap and creepage distance requirements under standard conditions. Every primary electrical connection is fixed, offering unparalleled reliability and endurance.

Key Features:

1. Composite Insulation Design: Meticulously engineered to fulfill air gap and creepage distance standards, this design optimizes device size while ensuring a layout that is both compact and aesthetically sophisticated.
2. Innovative Operating Mechanism: Tailored perfectly for this vacuum circuit breaker, the innovative mechanism aligns with the vacuum interrupter's unique characteristics, ensuring high reliability, a longer lifespan, and a promise of maintenance-free operation.
3. Flexible Handcart Design: Featuring a smooth screw-rod push mechanism for effortless panel insertion or extraction, complemented by a robust forced mechanical interlock, this design guarantees the "Five Prevention" functions. It is adept at adjusting to a multitude of operational environments, even those with challenging conditions.

Detailed Photos

Product Parameters

Operating Environment:

1. Altitude: Should not exceed 1000m, ensuring optimal function.
2. Ambient Temperature: Designed to perform effortlessly with a maximum of +40°C and a minimum of -15°C.
3. Relative Humidity:
   • Daily average: ≤95%, maintaining excellent performance.
   • Monthly average: ≤90%, ensuring consistent reliability.
   • Daily average saturated vapor pressure: ≤2.2kPa, for stable operations.
   • Monthly average saturated vapor pressure: ≤1.8kPa, securing system integrity.
4. Seismic Intensity: Rated up to ≤8 degrees, providing steadfast durability.
5. Installation Conditions: Must be free from fire, explosion risks, severe vibration, corrosive chemicals, or significant pollution, ensuring a safe and stable setup.

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 crafted for a wide range of high-voltage power systems. It delivers powerful protection and precise control for power distribution, standing as the ideal solution for safe, efficient, and reliable system operations.

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