Isolator
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Isolator
DC PV Isolator Switch MXPD25 (IP66)
Model:
MXPD25/MXPD32-X
Protection:
IP65
Material:
PC工程塑料
Isolator
Isolator
Isolator
Isolator
MXPD25-X Isolator Switch (IP66)
Model:
MXPD25-X/MXPD32-X
Protection:
IP65
Material:
PC工程塑料
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Technical Overview
How Isolators Work
Isolators—also known as disconnect switches—are mechanical devices designed to completely separate an electrical circuit from its power source. They provide visible and reliable electrical isolation, ensuring that maintenance, repair, or inspection can be carried out safely without the risk of accidental energization.
Full electrical disconnection from the power source
Complete circuit isolation for maximum safety
Clear "OFF" position ensures visible isolation
Visual confirmation of disconnection status
Mechanical operation with high durability
Robust construction for frequent operation cycles
Prevents accidental energization during maintenance
Essential safety feature for service personnel
Rotary Switch Mechanism - Contact separation diagram
Key Advantages of Isolators
Industrial isolators provide reliable electrical isolation and enhanced safety within distribution systems. They are critical for maintenance protection, equipment servicing, shutdown procedures, and emergency isolation.
Safe Maintenance Isolation
Ensures safe isolation before maintenance and prevents electrical hazards during service
High Mechanical Endurance
Engineered for high mechanical lifespan with durable components suitable for frequent switching cycles.
IP65/IP66 Weatherproof
Available in weatherproof enclosures suitable for both indoor and outdoor installations
Arc-Resistant Design
Arc suppression chamber for safe switching and enhanced operator protection
Emergency Isolation
Prevents accidental startup and provides reliable emergency shutdown capability
Versatile Installation
Compatible with multiple mounting configurations for industrial and commercial installations.
Quality Testing & Certification
Includes IPX5/IPX6 waterproof testing, arc suppression chamber verification, and mechanical endurance tests.
Scenario 01
Electrical Distribution
Reliable switchgear connections.
Scenario 02
Industrial Machinery
Heavy-duty power interfaces.
Scenario 03
HVAC & Building
Weather-proof outdoor connections.
Scenario 04
Renewable Energy
Solar & wind power transmission.
Scenario 05
Power Generation
High-current critical infrastructure.
Industrial Applications
Where Isolators Are Used
Isolators are widely used across industries where equipment must be safely disconnected from power before servicing or in systems requiring manual control and emergency shutdown.
Electrical Distribution
Distribution boards, switchgear, and power distribution systems
Industrial Machinery
Production lines, manufacturing equipment, and motor control centers
HVAC & Building Systems
Air conditioning units, ventilation systems, and building automation
Renewable Energy
Solar PV arrays (DC isolators), wind turbines, and energy storage systems
Power Generation
Generator sets, backup power systems, and outdoor electrical installations
Design Considerations for Isolators
The design of isolators must ensure reliable mechanical function, high dielectric strength, and long-term stability under industrial environments. Components must withstand both electrical load and repeated manual operation.
Contact Material & Arc Resistance
Silver-plated contacts and arc-resistant design for reliable switching performance
Insulated Housing Materials
Flame-retardant PA66/PC/ABS materials with high dielectric strength
IP-Rated Environmental Sealing
Weatherproof sealing for outdoor installations and harsh environments
Mechanical Operation & Standards
Rotary/lever mechanism with IEC 60947-3 compliance and proper terminal capacity
Precision Engineering
Contact points, rotary mechanism, and housing components
Types of Industrial Isolators
Different types of isolators are optimized for different installation methods, power levels, and environmental conditions.
Rotary Isolators
Manual rotary handle operation; commonly used in motors, machines, and HVAC systems
Standard • Versatile
Load Break Isolators
Designed to break load currents safely with enhanced arc suppression capabilities
High Current • Safe Breaking
DC PV Isolators
Specialized isolators for solar photovoltaic systems with high DC voltage ratings
Solar • DC Rated
Weatherproof Isolators
IP65–IP66 enclosed isolators designed for harsh outdoor environments
IP65/IP66 • Outdoor
Panel-Mounted Isolators
Compact design for installation inside control panels and switchboards
Panel Mount • Compact
Cam Isolators
Rotary switch isolators for reliable electrical circuit disconnection and maintenance safety
Rotary • Switch Control
Manufacturing Excellence
Why Choose CHBEB Isolators
CHBEB provides high-performance isolators designed for industrial safety, reliability, and global compliance. With manufacturing bases in Yueqing and Nanjing, we ensure consistent quality and fast delivery for global customers.
IEC 60947-3 Compliant Isolator Switches
Full compliance with international safety and performance standards
Durable Rotary Mechanism
Long mechanical life with precision-engineered operation
Weatherproof IP-Rated Enclosures
Available in IP65/IP66 ratings for harsh environmental conditions
Full OEM/ODM Support
Custom colors, housing designs, labels, and private molding services
Automated Assembly & Quality Control
Strict quality inspection and automated production processes
Production
Automated
Quality
IEC Certified
Applications
Industrial