Ⅰ. Core Functions & Performance
Electrical Parameters
Parameter Value Notes Rated Voltage 12kV - Rated Current 630A, 800A, 1250A, 1600A Customizable Short-Circuit Breaking Capacity 20kA, 25kA, 31.5kA Customizable Power-Frequency Withstand Voltage (1min) Dry: 48kV / Wet: 38kV DL/T403 Compliant Lightning Impulse Withstand Voltage 75kV - Mechanical Life ≥10,000 operations Spring mechanism, oil-free design Short-Time Withstand Current (4s) 31.5kA -
Control Characteristics
Operating Mechanism: Spring-operated (maintenance-free)
Coil Voltage (Closing/Tripping): AC/DC 110V/220V (optional)
Motor Operating Voltage: Customizable
Auxiliary Contacts: 8 NO (Normally Open) + 8 NC (Normally Closed)
Monitoring: Mechanical counter (operation records)
Ⅱ. Applications & Compatibility
Typical Applications
Power Systems: Power plants, substation in/outlet protection
Industrial: Petrochemical, metallurgical, main distribution cabinets for manufacturing
Public Facilities: Airports, data centers, residential distribution networks
Switchgear Compatibility
Cabinet Series Compatible Models Domestic Cabinets KYN28, KYN96, XGN series International Cabinets ABB ZS series
Installation Type: Fixed (Lateral Type)
Note: Custom non-standard cabinets supported; installation drawings required.
Ⅲ. Technical Advantages & Innovations
Reliability Enhancement
Vacuum Interrupter: Explosion-proof, maintenance-free
APG Epoxy Casting: Monolithic insulation parts (humidity resistance ≤95%, pollution-proof)
VSC Terminal Buffer: Shock/vibration resistant (-25℃ ~ +40℃)
Safety & Maintenance
Interlocking: Mechanical lock to prevent load switching errors
Visual Position Indicator: Mechanical ON/OFF status display
Modular Design: Rapid replacement of coils/auxiliary switches
Ⅳ. Customization Services Customization Item Options Insulation Medium Air-insulated / Gas-insulated (SF₆ alternative) Secondary Wiring Layout Front/Rear/Side wiring Special Current Ratings >1600A or >31.5kA designs High-altitude Adaptation ≤2500m (derating required for higher elevations) Ⅴ. Installation & Maintenance
Environmental Requirements
Altitude: ≤2500m (15% derating beyond)
Temperature: -25℃ ~ +40℃
Humidity: Daily average ≤90% (non-condensing)
IP Rating: IP2X (upgrades to IP4X when installed)
Documentation Support
Certificates, installation drawings, wiring diagrams
Type test reports compliant with GB/DL/IEC standards
Ⅵ. Typical Configurations (Examples) Application Scenario Recommended Configuration Protection Target Substation Inlet Cabinet VSC-1250A/31.5kA + Motorized Main transformer short-circuit Industrial Distribution Center VSC-1600A/25kA + Rear Wiring Large motor control Commercial Complex VSC-800A/20kA + Front Wiring LV busbar segmentation Ⅶ. Support Services
Rockwill Electric Technical Guarantee:
Technical Consultation: +86-577-27869966, support@rockwill.com
Customization Response: ≤3 business days
Warranty: 2 years (core components included)
Resources: http://www.rockwill.cn
