Blue Sea 7457-BSS UL-489 Circuit Breaker, 20A Flat Rocker PMSPON3 It stays open until flow

It stays open until flow slows or ceases and then actives any audible or visual boat alarm

or support

Used on fresh water cooled engines (closed cooling system)

Start: Manual

1673-9051 - Replaces Onan 132-0162

Blue Sea 7457-BSS UL-489 Circuit Breaker, 20A Flat Rocker PMSPON3 It stays open until flowThe Blue Sea 7457 BSS UL 489 Circuit Breaker, 20A Flat Rocker combines overcurrent protection with manual circuit control in marine and mobile electrical systems. The exact rating, pole count, mounting style, and voltage limitations should be matched to the protected circuit. Product Information Manufacturer Part Number 7457 BSS Specifications Amperage 20A AC Maximum Voltage 240V AC Circuits 489 Poles 1 Terminal Type #10 32 Screw Tin Plated Brass