Square D QO Mercury-Free Mechanical Interlock Circuit Breaker Accessory, 1-2 Pole
The Square D QO Mechanical Interlock is a circuit breaker accessory engineered for compatibility with QO and QOB one and two pole thermal magnetic circuit breakers. These breakers feature an over-center, trip-free toggle mechanism with quick-make, quick-break action for reliable overcurrent protection and switching on ac and dc systems. Built with mercury-free, toxic-heavy-metal-free, and halogen-free construction, this interlock secures equipment so contact points remain energy-efficient, supporting safe, code-compliant panelboard assemblies in residential installations.
Key Features
- Compatibility: Mechanical interlock accessory compatible with 1 to 2 pole QO and QOB circuit breakers.
- Secure Mounting: Secures equipment so that contact points are energy-efficient.
- Engineered Quality: QO™ MCBs are engineered for quality and reliability.
- Material Safety: Mercury free and toxic heavy metal free construction.
- Low-Impact Materials: Halogen free product for reduced environmental impact.
- Warranty Coverage: Backed by an 18 month manufacturer warranty.
Certifications & Compliance
- RoHS EUR Full Compliance Status: Compliant
- RoHS EUR In Scope
- Mercury Free
- Toxic Heavy Metal Free
- Halogen Free Product
- Prop 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Technical Specifications
- Series: QO
- Warranty: 18 months
- Mercury Free: Yes
- Toxic Heavy Metal Free: Yes
- Halogen Free: Yes
Typical Applications
- Residential Electrical Panelboards
- QO and QOB Load Center Circuit Breaker Installations
- Contractor and OEM Electrical Assemblies
- Renovation and New Construction Wiring Projects
Why Square D?
Square D QO mechanical interlock accessories are engineered for quality and reliability, helping secure equipment so contact points stay energy-efficient in residential electrical systems. With mercury free, toxic heavy metal free, and halogen free construction plus RoHS EUR compliance and an 18 month warranty, this accessory supports safe, code-compliant panelboard assemblies for contractors and electricians working with the QO and QOB breaker line.
Manufacturer Resources
Product Specs
- Product Type:
- Circuit Breaker Accessory
- Series:
- QO
- Configuration:
- 1-2 Pole
- Standards:
- RoHS EUR Compliant
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Subgroup:
- Circuit Breakers