The Und. Lab Inc. DL-21 NI Circuit Breaker is a robust and reliable two-pole unit designed for use in Stab-Lok Type NA-NI electrical panels. Engineered to provide superior protection against electrical overloads and short circuits, this circuit breaker ensures the safety and efficiency of your electrical system.
Key Features
- Two-Pole Design: Offers comprehensive protection by simultaneously disconnecting both live wires in a circuit, enhancing safety during fault conditions.
- Stab-Lok Compatibility: Specifically designed for seamless integration with Stab-Lok Type NA-NI panels, ensuring a secure and stable connection.
- Thermal Magnetic Protection: Combines thermal and magnetic trip mechanisms to effectively guard against both prolonged overloads and instantaneous short circuits.
- Plug-In Mounting: Facilitates easy installation and replacement, minimizing downtime and maintenance efforts.
- Durable Construction: Built with high-quality materials to withstand rigorous use and provide long-lasting performance.
Technical Specifications
- Voltage Rating: 120/240 VAC
- Amperage Rating: Varies depending on specific model configurations
- Interrupting Capacity: 10,000 AIC (Amps Interrupting Capacity)
- Dimensions: Standard size compatible with Stab-Lok panels
- Compliance: Meets industry standards for safety and performance
Applications
Ideal for residential and commercial settings, the DL-21 NI Circuit Breaker is suitable for protecting various electrical circuits, including lighting, heating, and appliance circuits. Its reliable performance ensures the safety of both property and occupants.
Installation and Maintenance
The plug-in design allows for straightforward installation without the need for specialized tools. Regular inspection and testing are recommended to maintain optimal functionality and compliance with safety standards.
Please note that while the DL-21 NI Circuit Breaker is designed for compatibility with Stab-Lok panels, it is essential to verify panel specifications and local electrical codes before installation.













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