Technical Specifications

• Model: LQPSC 0.415KV/2000A

• Rated Frequency: 50Hz

• Rated Voltage: 0.415kV (415V AC)

• Rated Current: 2000A

• Short-Time Current: 16kA (1-second withstand)

• Protection Rating: IP20

• Operation Time Delay: 5s

• Control Voltage: 220V AC (switching operations)

• Mechanical Endurance: 20,000 operations

Control Panel Features

Monitoring Instruments

• Digital voltmeter (0-500V AC range)

• Digital ammeter (0-2500A AC range)

Visual Indicators

• Power supply switch-on indicator lamp (green)

• Power supply switch-off indicator lamp (red)

Control Functions

• Local/remote function selector switch

• Emergency stop button

• Key-operated control transfer

Core Functional Capabilities

• High-Current Distribution: 2000A continuous rating

• Short-Circuit Protection: 16kA withstand capacity

• Time-Delayed Operation: 5-second adjustable delay

• Dual Control Modes: Local and remote operation

• Real-Time Monitoring: Voltage and current measurement

• Status Indication: Visual confirmation of switch position

Protection System

Industrial Applications

• Steel manufacturing power distribution

• Industrial plant main switchboards

• Large-scale data center power systems

• Mining operations power management

• Industrial furnace control systems

Design & Construction

• Enclosure: 3mm galvanized steel with powder coating

• Busbar System: Silver-plated copper with 2500A rating

• Thermal Management:

• Forced-air ventilation with filters

• Temperature monitoring sensors

• Component Layout:

• Segregated compartments for safety

• Front-accessible components

• Cable Management:

• Bottom entry with cable gland plates

• 4×400mm² cable capacity per phase

Installation Requirements

Operation & Maintenance

Switching Procedure

1. Verify instruments show normal parameters

2. Select local/remote operation mode

3. Initiate switching command

4. Confirm status lamp indication

5. Monitor meters during operation

Maintenance Protocol

• Monthly:

• Visual inspection of control panel

• Verify indicator lamp functionality

• Quarterly:

• Calibrate meters and instruments

• Busbar connection torque check

• Biannual:

• Insulation resistance test (min 1MΩ)

• Time delay function verification

• Annual:

• Contact resistance measurement

• Full operational sequence test

• 5-Year:

• Comprehensive system overhaul

• Protective device calibration

Compliance Standards

• IEC 61439-1: Low-voltage switchgear assemblies

• IEC 62271-200: AC metal-enclosed switchgear

• IEC 60529: IP degree of protection

• IEEE C37.20.1: Metal-enclosed low-voltage switchgear

• ISO 9001:2015 Quality Management Systems

Certified for industrial power distribution in demanding environments requiring high-current capacity and reliable protection systems.