Description
Blue Sea Systems Push Button Circuit Breaker – 20A – 2139
The Blue Sea Systems Push Button Breaker is a compact, reliable thermal circuit breaker designed for overcurrent protection in 12V and 24V DC systems. Rated for 20A, it is ideal for protecting circuits powering accessories like lighting, pumps, electronics, or charging outlets in marine, RV, automotive, and industrial applications. With a push-to-reset design, the breaker eliminates the need for fuse replacements, making it convenient and cost-effective. It features a sealed housing that protects against moisture, dust, and corrosion-perfect for harsh environments.
- 20A push-button thermal circuit breaker
- Resettable design – no need for fuse replacement
- Compact size fits easily in space-constrained panels
- Sealed, moisture-resistant housing for marine and rugged use
- Panel-mountable design with screw or snap-in installation
For best results, match the fuse or breaker rating to the protected conductor and load, and confirm voltage, interrupt rating, mounting clearance, and terminal requirements before installation.
Specifications
- Maximum Current Rating: 20A
- Voltage Rating: 12V / 24V DC
- Breaker Type: Thermal, push-to-reset
- Interrupt Capacity: High – designed to handle motor and accessory loads
- Terminal Type: #10-32 screw terminals
- Mounting: Panel mount (snap-in or screw mount)
- Dimensions: Approx. 2.0″ H × 1.0″ W × 1.25″ D (51 mm × 25 mm × 32 mm)
- Environmental Protection: Sealed against moisture and corrosion
- Certifications: UL 1077, CE marked, ABYC E-11 compliant
- Mounting Cutout: Common push-button breaker mounting hole is approx. 3/8 in (9.5 mm); verify exact part drawing before drilling
- Product Envelope: Approx. 1.65 in L × 0.98 in W × 0.98 in H (42 mm × 25 mm × 25 mm)
- Manufacturer: Blue Sea Systems
- Part Number: 2139


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