Allen-Bradley 1502-VC4DCDA-0 Product Introduction
The Allen-Bradley 1502-VC4DCDA-0 is a high-performance medium-voltage vacuum contactor from Rockwell Automation’s Bulletin 1502 series, specially engineered for reliable power switching and motor control in industrial medium-voltage automation systems. It adopts advanced vacuum arc-extinguishing technology and IntelliVAC control compatibility, delivering stable and durable operation for heavy-duty industrial scenarios.
Product Details
Series: Bulletin 1502 Medium Voltage Vacuum Contactor
Manufacturer: Allen-Bradley (Rockwell Automation)
Type: Medium Voltage Vacuum Contactor
Mounting Type: Fixed Mounted
Control Mode: Electrically Held, compatible with IntelliVAC control system
Core Design: Integrated vacuum bottle arc extinguishing structure, low chopping current design
Indicator Function: Built-in visual ON/OFF status indicator and contact wear indicator
Wiring Design: Front-mounted line and load terminals for convenient wiring and installation
Product Parameters
Rated Current: 400A
Rated Withstand Voltage: Up to 7kV medium voltage level
Arc Extinguishing Performance: Effective arc extinguishing above 600V, excellent dielectric recovery capability
Operating Frequency: Supports high-frequency switching operation
Interrupting Capability: High short-circuit and load interrupting capacity
Configuration: Support for snap-on side mount auxiliary contacts
Structural Feature: Lightweight compact integral coil and magnet assembly
Environmental Adaptability: Standard industrial grade temperature and humidity resistance, suitable for harsh factory environments
Product Status: Active lifecycle, fully compliant with industrial IEC and UL industry standards
Product Advantages
The Allen-Bradley 1502-VC4DCDA-0 vacuum contactor provides prominent performance advantages for medium-voltage industrial control applications:
Superior Arc Extinguishing Performance: Adopts professional vacuum arc-extinguishing technology with low chopping current and fast dielectric recovery, effectively eliminating arc damage and extending service life.
High Operational Reliability: Features robust mechanical structure and stable electrical performance, supporting long-term continuous heavy-load operation with minimal failure rate.
Compact & Lightweight Design: Optimized integrated structure saves cabinet installation space, realizing flexible layout of medium-voltage control systems.
Easy Installation & Maintenance: Front terminal wiring design and detachable auxiliary contacts simplify on-site wiring, commissioning and daily maintenance; visual indicators facilitate real-time status inspection.
Strong System Compatibility: Perfectly matched with Rockwell IntelliVAC control systems, seamlessly integrated with Allen-Bradley medium-voltage motor control and automation systems.
Excellent Harsh Environment Resistance: Industrial-grade design adapts to high-dust, high-temperature and high-intensity operating scenarios in heavy industry.
High Safety Performance: Reliable over-current and arc protection capabilities, effectively avoiding equipment damage and safety accidents caused by switching faults.
Precautions
Professional Operation Required: Installation, wiring, commissioning and maintenance must be completed by certified medium-voltage electrical professionals.
Rated Parameter Compliance: Strictly operate within the rated voltage and current range; overload and over-voltage operation are prohibited to avoid contactor burnout or arc breakdown.
Environmental Protection: Avoid long-term use in strongly corrosive, ultra-high humidity and explosive environments without protective measures.
No Unauthorized Modification: Do not disassemble, modify or replace internal components arbitrarily, which will damage product stability and void the warranty.
Regular Inspection: Periodically check contact wear status and terminal tightness via visual indicators to ensure switching performance.
Power-off Maintenance: Cut off all power sources completely before maintenance and wiring operations to ensure construction safety.
Standard Storage: Store in dry, ventilated and dust-free environment when idle, avoiding long-term damp and oxidation.
Product Applications
As a core medium-voltage switching component, the 1502-VC4DCDA-0 is widely applied in medium-voltage motor control and power switching of heavy industrial automation systems:
Medium-Voltage Motor Control Systems: Start, stop and protection switching of medium-voltage driving motors in industrial production lines.
Heavy Industry Manufacturing: Power control and circuit switching for metallurgy, mining, cement and chemical industrial equipment.
Factory Power Distribution Automation: Medium-voltage power distribution cabinet switching, load management and power system control.
Process Industry Automation: Continuous process control equipment switching for petroleum, chemical and energy industries.
Large Mechanical Equipment Control: Power switching control for large fans, pumps and compressors in industrial scenarios.
Intelligent Power Monitoring Systems: Matching with industrial automation control systems to realize automatic switching and fault protection of medium-voltage circuits.
