Primary Switchgear Cabinet

LQPSC 0.4KV/600A Primary Switchgear Cabinet with Multi-Protection System & AC Contactor-Disconnector

Advanced LQPSC 0.4KV/600A switchgear cabinet featuring AC contactor-disconnector protection, IP20 rating, remote/local control, and comprehensive measurement system for industrial power management.

US$ 3,642.00
Lead time: 40 days

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Product Details

Product Tags

LQPSC 0.4KV/600A Switchgear: Intelligent Power Management Platform

Integrated Power Control Solution

Designed for precision industrial power distribution, the LQPSC 0.4KV/600A Primary Switchgear Cabinet combines protection, control, and monitoring in one robust system. Featuring a unique AC contactor plus visible fracture disconnector design with 10,000-operation mechanical life, this IP20-rated solution delivers comprehensive over-current/over-voltage protection with remote/local operation capabilities for demanding industrial environments.

Core Technical Specifications

Parameter	Specification	Standard
Rated Voltage	0.4kV (400V ±10%)	IEC 60038
Rated Current	600A continuous	IEC 60947-1
Operating Voltage	AC 200V ±15%	IEC 60255-5
Mechanical Life	10,000 operations	IEC 62271-100
Protection Rating	IP20 (finger-safe)	IEC 60529
Control Functions	Local/Remote operation	IEC 61439-1

Advanced Protection System

Hybrid Contactor-Disconnector

Visible fracture disconnector with integrated AC contactor ensures physical isolation during maintenance while enabling rapid switching operations.

Multi-Tier Protection

Over-Current: Current relay with 0.5-10s adjustable trip delay
Over-Voltage: Voltage relay protection up to 690V AC
Fast Cut-Out: <20ms response to critical faults

Intelligent Control

Seamless transition between local (manual) and remote (SCADA) operation modes with status confirmation indicators.

Comprehensive Measurement System

Precision Instrumentation

Current transformers (CTs): Class 1 accuracy
Voltage transformers (VTs): 0.5% measurement precision
Digital meters: Voltage/current/power factor display

Visual Status Monitoring

LED indicators for power on/load status
Fault warning lamps with color coding
Local/remote mode indication

Control Interface

Emergency stop button with mechanical lock
Selector switch for operation modes
Test/reset functions for protection relays

Component Architecture

Component	Function	Specification
AC Contactor	Main circuit switching	600A rating, 10kA breaking capacity
Visible Disconnector	Physical isolation	Visible contact gap ≥15mm
Current Transformers	Load monitoring	600/5A, Class 1, 15VA
Protection Relays	Over-current/voltage	Adjustable settings, 4-20mA output
Control Relays	Logic operations	8-pin, 10A contact rating
Metering	Parameter display	LCD with min/max recording

Industrial Applications

Manufacturing Automation

Motor control centers for production lines requiring precise overload protection and remote monitoring.

Energy Management

Substation power distribution with real-time load measurement and power quality monitoring.

Building Management

HVAC system control in commercial complexes with integrated safety disconnects.

Installation & Operation

Mounting Requirements

Indoor installation only (ambient: -5°C to +40°C)
Minimum clearances: 800mm front, 100mm sides
Vertical mounting tolerance ≤1°

Commissioning Procedure

Verify disconnector operation (open/close torque ≤50Nm)
Calibrate CTs/VTs at 25%, 50%, 100% load
Test protection relays with fault simulation

Maintenance Schedule

Frequency	Action
Monthly	Operate disconnector 5x (min)
Quarterly	Clean contacts, check indicators
Annually	Full relay calibration, torque checks

Technical Advantages

Feature	Benefit
Hybrid Contactor-Disconnector	Combines switching speed with visible isolation safety
Multi-Layer Protection	Prevents equipment damage from 5 fault types
Dual Control Modes	Flexible operation for normal/emergency scenarios
Comprehensive Instrumentation	Real-time monitoring reduces diagnostic time by 60%