Aierway 12KV Center Distance 310mm(High current poles)

The Aierway 12kV Center Distance 310mm is a premium-grade, heavy-duty switchgear engineered for the most demanding medium-voltage applications. Designed with an extended 310mm phase-to-phase center distance, it provides maximum dielectric clearance, superior thermal performance, and enhanced operational safety—making it the ideal choice for critical infrastructure, high-reliability industrial systems, and utility substations where performance cannot be compromised.

描述

Product introduction

The Aierway 12kV Center Distance 310mm is a premium-grade, heavy-duty switchgear engineered for the most demanding medium-voltage applications. Designed with an extended 310mm phase-to-phase center distance, it provides maximum dielectric clearance, superior thermal performance, and enhanced operational safety—making it the ideal choice for critical infrastructure, high-reliability industrial systems, and utility substations where performance cannot be compromised.

Design Features

1. Enhanced Dielectric Performance
– 310mm Center Distance: Offers the highest standard phase-to-phase insulation margin in the 12kV class.
– Optimized Creepage & Clearance: Exceeds IEC 62271-200 requirements, suitable for polluted, coastal, and high-altitude installations.

2. Superior Thermal Management
– Optimal Heat Dissipation
– High-Current Capability: Supports ratings up to **4000A** with minimal temperature rise.

3. Robust & Reliable Construction
– Heavy-Duty Busbars: High-conductivity copper with silver or tin plating, sized for optimal current distribution.
– Reinforced Insulation: Enhanced insulation systems for extreme environmental conditions.
– Seismic-Resistant Design: Engineered to withstand seismic activity up to **0.5g horizontal acceleration**.

4. Advanced Safety Features
– Full Internal Arc Containment: Certified to IEC 62271-200 for internal arc fault withstand (IAC AFLR class).

Technical data table 1

Specification Value
Rated Voltage 12kV
Rated Current 2500A
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 110±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