Square D QO Mechanical Interlock Circuit Breaker Accessory, 1-2 Pole

Square D QO Mechanical Interlock Circuit Breaker Accessory, 1-2 Pole

The Square D QO Mechanical Interlock is a circuit breaker accessory from the QO range, engineered for compatibility with QO and QOB one and two pole thermal magnetic circuit breakers. These compatible 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. The mechanical interlock secures equipment so that 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

• Toxic Heavy Metal Free: Yes
• Warranty: 18 months
• Warranty Period: 18 months
• Sustainable Packaging: No
• Mercury Free: Yes
• Packaging Without Single Use Plastic: Yes
• Tier Id: 1
• ROHS Eur In Scope: Yes
• Recycled Metal Content At Cr Level: 0 %
• China ROHS Label: 1
• H And D Enrichment Assignment: yes
• Serviceability: No
• With Recycled Cardboard: No
• WEEE Product Category: 5
• Range Of Product: QO
• China ROHS In Scope: No
• Return Indicator: Y
• Take Back: No
• Tier: 1
• Returnability: Yes
• Field Service Division: PPIBS
• Product Contributes To Saved And Avoided Emissions: No
• H And D Subrange: RESI
• Market Segmentation: Residential

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.