Reliable 33kv Indoor Circuit Interrupters for High Voltage Needs

• 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 state-of-the-art three-phase AC 50Hz device with a rated voltage of 40.5kV. This cutting-edge circuit breaker is extensively implemented in KYN61-40.5(Z) switchgear systems, representing the pinnacle of modern power supply and distribution technology. Crafted to meet the high demands of contemporary power systems, it ensures outstanding efficiency and reliability.

This remarkable circuit breaker is engineered with a sophisticated upper and lower arrangement structure, significantly minimizing the depth requirement. The main conductive circuit, along with the vacuum interrupter and movable/static conductive links, are securely encased within a specialized insulated tube. The innovative composite insulation design expertly segments the three-phase arc-extinguishing chambers from other electrified elements using individual epoxy insulation casings, adhering to stringent air gap and creepage distance prerequisites under standard operational conditions. Its robust construction guarantees all primary electrical connections remain steadfast, providing unparalleled reliability and longevity.

Key Features:

1. Composite Insulation Design: Expertly crafted to conform to air gap and creepage distance standards, while elegantly refining the device's size. The design boasts a compact, logical, and visually appealing configuration.
2. Innovative Operating Mechanism: Meticulously engineered for this specific vacuum circuit breaker, the mechanism is tailored to align with the vacuum interrupter's unique attributes, ensuring exceptional reliability, a prolonged lifespan, and a maintenance-free experience.
3. Flexible Handcart Design: Features a screw-rod push mechanism that facilitates effortless panel insertion or removal. Equipped with a robust mechanical interlock system to deliver the "Five Prevention" functions, making it perfectly adaptable to a multitude of operational scenarios, including challenging conditions.

Detailed Photos

Product Parameters

Operating Environment:

1. Altitude: Not exceeding 1000 meters.
2. Ambient Temperature: Ranges from a maximum of +40°C to a minimum of -15°C.
3. Relative Humidity:
   • Daily average: ≤95%
   • Monthly average: ≤90%
   • Daily average saturated vapor pressure: ≤2.2kPa
   • Monthly average saturated vapor pressure: ≤1.8kPa
4. Seismic Intensity: Tolerates up to 8 degrees.
5. Installation Conditions: The environment should be devoid of fire, explosion risks, severe vibration, chemical corrosion, or notable 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 meticulously engineered for a spectrum of high-voltage power systems. It delivers robust protection and precise control for power distribution networks, serving as the quintessential choice for ensuring safe, efficient, and dependable system operations.

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