Eaton CH Mechanical Interlock 225A Three-Phase
Professional Electrical Interlock System
The Eaton CH Mechanical Interlock delivers exceptional electrical safety and control performance for three-phase power distribution systems. This 225A mechanical interlock provides reliable electrical protection and switching control designed for professional electricians, electrical contractors, and facility managers, offering the proven reliability and advanced technology that professionals trust from the global leader in intelligent power management.
Professional Features & Benefits
Electrical Performance & Safety
- 225A Current Rating - High-capacity amperage rating for demanding three-phase electrical applications requiring robust power handling capability
- 10kAIC Interrupt Rating - Professional-grade interrupting capacity provides reliable fault current protection for commercial and industrial electrical systems
- Three-Phase Configuration - Engineered for three-phase power systems delivering balanced electrical distribution and motor control applications
- Mechanical Interlock Design - Prevents simultaneous operation of connected devices ensuring electrical safety and preventing equipment damage
Construction & Installation
- NEMA 1 Enclosure Rating - Indoor general-purpose enclosure protection suitable for dry commercial and industrial environments
- Aluminum Bus Construction - Durable aluminum bus material provides excellent electrical conductivity and corrosion resistance for long-term reliability
- Professional Dimensions - Compact 34.1" x 14.3" x 1.1" design optimized for efficient panel installation and space utilization
Technical Specifications
Amperage Rating: 225A, Interrupt Rating: 10kAIC, Phase: Three-phase, Enclosure: NEMA 1, Bus Material: Aluminum, Type: Interlock, Product Dimensions: 34.1" L x 14.3" W x 1.1" H, Product Weight: 8.6 lb, Certifications: Contact Manufacturer
Installation & Usage
- Verify electrical system compatibility with 225A three-phase requirements and 10kAIC interrupt rating specifications
- Ensure proper NEMA 1 enclosure mounting location in dry indoor environment away from moisture and contaminants
- Install mechanical interlock according to manufacturer specifications ensuring proper alignment and operation
- Connect three-phase conductors to aluminum bus terminals following NEC guidelines and torque specifications
- Test mechanical interlock operation to verify proper switching sequence and safety functionality
- Complete electrical testing and commissioning according to local electrical codes and safety standards
Professional Applications
Ideal for:
- Commercial Power Distribution - Office buildings, retail facilities, and commercial complexes requiring reliable three-phase electrical switching control
- Industrial Motor Control - Manufacturing facilities and industrial plants needing mechanical interlock protection for motor control centers
- Electrical Panel Systems - Main distribution panels and sub-panels requiring safe switching between power sources or circuits
- Generator Transfer Systems - Backup power applications where mechanical interlock prevents simultaneous utility and generator connection
- Maintenance Switching - Electrical maintenance applications requiring safe isolation and transfer of electrical loads
- Load Transfer Applications - Commercial and industrial facilities requiring reliable load transfer between electrical sources
- Electrical Safety Systems - Critical applications where mechanical interlock prevents dangerous electrical conditions
- Three-Phase Equipment Protection - Motor drives, transformers, and other three-phase equipment requiring interlock protection
Mechanical Interlock Advantage
Eaton's mechanical interlock technology provides positive mechanical prevention of simultaneous operation, ensuring electrical safety through physical constraints rather than relying solely on electrical controls. This mechanical approach delivers fail-safe protection for critical electrical switching applications where safety cannot be compromised.
Why Choose Eaton Quality?
With over a century of electrical power management innovation, Eaton delivers professional-grade mechanical interlock systems trusted by electricians, electrical contractors, and facility professionals worldwide. Our commitment to electrical safety, reliable performance, and compliance with industry standards ensures dependable operation in demanding commercial and industrial applications, backed by comprehensive technical support and proven field performance.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 225 A
- Bus Material:
- Aluminum
- Certifications:
- Contact Manufacturer
- Enclosure:
- NEMA 1
- Interrupt Rating:
- 10 kAIC
- Phase:
- Three-phase
- Product Height:
- 1.1 in
- Product Length Depth:
- 34.1 in
- Product Weight:
- 8.6 lb
- Product Width:
- 14.3 in
- Type:
- Interlock
- Product Group:
- Electrical