Reliable 10kv Indoor Circuit Breakers for High Voltage Systems

• 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), a state-of-the-art indoor handcart vacuum circuit breaker. Designed for three-phase AC 50Hz systems, it operates at a rated voltage of 40.5kV. It finds its remarkable use in KYN61-40.5(Z) switchgear, representing a cutting-edge generation of power supply and distribution equipment engineered for outstanding efficiency and reliability in contemporary power systems.

Marvel at its innovative upper and lower arrangement structure, ingeniously reducing the breaker's depth. The vacuum interrupter and main conductive circuits, along with moving and static connections, are housed within an insulated tube. This masterpiece features an advanced composite insulation structure that adeptly separates the three-phase arc-extinguishing chambers and electrified elements with individualized epoxy insulation casings, adhering to air gap and creepage distance standards under regular conditions. All primary electrical connections are meticulously fixed, assuring unmatched reliability and longevity.

Key Features:

1. Composite Insulation Design: Crafted to meet or exceed air gap and creepage distance requirements, this design optimizes dimensional efficiency while exuding an attractive and sophisticated layout.
2. Innovative Operating Mechanism: Tailored specifically for this vacuum circuit breaker, the mechanism harmonizes flawlessly with the vacuum interrupter's characteristics, promising outstanding reliability, a prolonged lifespan, and worry-free maintenance.
3. Flexible Handcart Design: Featuring a screw-rod push mechanism, the handcart allows for smooth and effortless panel insertion or withdrawal. It boasts a robust mechanical interlock for 'Five Prevention' functions, ensuring adaptability in diverse operational environments, including the most challenging conditions.

Detailed Photos

Product Parameters

Operating Environment:

1. Altitude: Operating efficiently at altitudes not exceeding 1000m.
2. Ambient Temperature: Optimally functions between a max of +40°C and a min of -15°C.
3. Relative Humidity:
   • Daily average: ≤95%, ensuring adaptability to humid conditions.
   • Monthly average: ≤90%, providing consistent performance.
   • Daily average saturated vapor pressure: ≤2.2kPa, maintaining efficiency.
   • Monthly average saturated vapor pressure: ≤1.8kPa, ensuring stability.
4. Seismic Intensity: Withstands seismic intensities of up to 8 degrees, offering resilience.
5. Installation Conditions: Devise is engineered to function flawlessly without exposure to fire, explosion, severe vibration, aggressive chemical corrosion, or significant pollution.

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 an adaptable powerhouse, suitable for an array of high-voltage power systems. It delivers robust protection and control for power distribution, making it the quintessential choice for safe, efficient, and steadfast system operation.

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