Free Shipping on Orders Over $50
Blue Sea 2139 Medium Duty Push Button Reset-Only – 20A [2139]
Original price was: $67.99.$49.96Current price is: $49.96.
98 in stock
2139
Amperage: 20A
Features:
- Weatherproof
- Can be used as Main, Branch, or 24 hour circuit protection
- Compact design enables high density circuit protection configurations
- Push-to-reset operation
- “Trip Free” design cannot be held “ON” during fault current condition
- Ignition protected – Safe for installation aboard gasoline powered boats
- Captive star lock washers meet requirements for anti-rotation and eliminate handling of small, easily dropped parts
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.
Specifications:
- Amperage: 20a
- Box Dimensions: 2″H x 3″W x 7″L WT: 0.2 lbs
- UPC: 632085021399
![blue-sea-2139-medium-duty-push-button-reset-only-20a-2139 Blue Sea 2139 Medium Duty Push Button Reset-Only – 20A [2139]](https://www.bestdailypetsupply.com/wp-content/uploads/2026/09/blue-sea-2139-medium-duty-push-button-reset-only-20a-2139.webp)


![jl-audio-mvi-series-600w-6-channel-amplifier-w-integrated-dsp-mv600-6i-010-03338 JL Audio MVI Series 600w 6 Channel Amplifier w/Integrated DSP – MV600/6i [010-03338-00]](https://www.bestdailypetsupply.com/wp-content/uploads/2026/09/jl-audio-mvi-series-600w-6-channel-amplifier-w-integrated-dsp-mv600-6i-010-03338.webp)

![jl-audio-mvi-series-1000w-5-channel-amplifier-w-integrated-dsp-mv1000-5i-010-033 JL Audio MVI Series 1000w 5 Channel Amplifier w/Integrated DSP – MV1000/5i [010-03341-00]](https://www.bestdailypetsupply.com/wp-content/uploads/2026/09/jl-audio-mvi-series-1000w-5-channel-amplifier-w-integrated-dsp-mv1000-5i-010-033.webp)

![jl-audio-xdm-600w-monoblock-amplifier-xdm600-1-010-03116-00 JL Audio XDM 600w Monoblock Amplifier – XDM600/1 [010-03116-00]](https://www.bestdailypetsupply.com/wp-content/uploads/2026/09/jl-audio-xdm-600w-monoblock-amplifier-xdm600-1-010-03116-00.webp)
![jl-audio-mvi-series-700w-5-channel-amplifier-w-integrated-dsp-mv700-5i-010-03340 JL Audio MVI Series 700w 5 Channel Amplifier w/Integrated DSP – MV700/5i [010-03340-00]](https://www.bestdailypetsupply.com/wp-content/uploads/2026/09/jl-audio-mvi-series-700w-5-channel-amplifier-w-integrated-dsp-mv700-5i-010-03340.webp)