Aierway 12KV Center Distance 310mm

The Aierway 12kV Center Distance 310mm is a premium, high-performance switchgear solution designed for demanding applications where maximum safety margins, superior dielectric performance, and enhanced thermal management are critical requirements. With an extended 310mm phase-to-phase center distance, this product offers the highest level of reliability and operational safety in the 12kV switchgear range, making it ideal for critical infrastructure, heavy industrial, and high-reliability utility applications.

描述

Product introduction

The Aierway 12kV Center Distance 310mm is a premium, high-performance switchgear solution designed for demanding applications where maximum safety margins, superior dielectric performance, and enhanced thermal management are critical requirements. With an extended 310mm phase-to-phase center distance, this product offers the highest level of reliability and operational safety in the 12kV switchgear range, making it ideal for critical infrastructure, heavy industrial, and high-reliability utility applications.

Design Features

1.Busbar System
– 310mm Spacing: Optimal for maximum dielectric strength and thermal performance.
– High-Conductivity Copper: Electrolytic copper with tin or silver plating.
– Flexible Connections: Accommodate thermal expansion and seismic movements.

2.Circuit Breaker Modules
– Vacuum Circuit Breakers: With enhanced dielectric and interrupting capabilities.
– Condition Monitoring: Integrated sensors for contact wear, mechanism timing, and temperature.

3.Insulation System
– Enhanced Clearances: Significantly exceed standard requirements.
– Specialized Insulation: Composite materials for improved performance.
– Partial Discharge Control: Designed for minimal PD levels throughout service life.

Technical data table 1

Specification Value
Rated Voltage 12kV
Rated Current 2500A,
3150A,
4000A
Power Frequency Withstand Voltage 48kV/1min
Lightning Impulse Withstand Voltage 85kV
Rated Frequency 50Hz
Rated Short-Circuit Breaking Current 31.5kA,
40kA
Rated Short-Circuit Breaking Times 30Times
Rated Peak Withstand Current 80kA
Rated Single Capacitor Bank Breaking Current 630A
Rated Back-to-Back Capacitor Bank Breaking Current 400A
Loop Resistance under Rated Contact Force ≤25~30μΩ
Contact Self-Closing Force 210±60N
Technical data table 2
Specification Value
Contact Opening Distance 9±1mm
Rated Over-Travel 3.5±0.5mm
Average Opening Speed 1.1±0.2m/s
Average Closing Speed 0.8±0.2m/s
Rated Contact Force 3500±200N,
4300±200N
Contact Closing Bounce Time ≤2ms
Opening Contact Rebound Amplitude ≤2mm
Outline and dimensions of installation