Blue Sea Systems 2139 Medium Duty Push Button Circuit Breaker 20A Reset Only

The Blue Sea Systems 2139 is a medium duty push-button circuit breaker rated for 20 amperes, designed specifically for marine electrical systems. This reset-only breaker features a push-to-reset operation and cannot be manually switched off, making it ideal for critical circuits that require continuous power protection.

Key Features:

• 20 amp rating for medium duty applications
• Weatherproof construction for harsh marine environments
• Suitable for main, branch, or 24-hour circuit protection
• Compact design enables high-density circuit protection configurations
• Push-to-reset operation for easy circuit restoration
• Trip-free design cannot be held in ON position during fault conditions
• Ignition protected for safe installation on gasoline-powered boats
• Captive star lock washers provide anti-rotation and eliminate loose hardware

This circuit breaker is engineered to meet the demanding requirements of marine electrical systems, providing reliable overcurrent protection while maintaining a small footprint for panel installation. The ignition-protected design meets safety standards for use in engine compartments and other potentially hazardous locations aboard boats.

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.