100A C-Series Toggle Single Pole Circuit Breaker - 100 Amp Protection

Our review of this 100A C-Series toggle single pole circuit breaker finds it best suited for boat owners or marine electricians who need a reliable, compact overcurrent device for heavy loads. The bottom line: it combines switching and protection into a single, ABYC-compliant unit that handles common high-draw accessories such as inverters, bow thrusters, and windlasses, and its trip free design prevents holding the circuit closed after a fault, which is the single biggest safety advantage here.

Key Features

• Combined switch and breaker: Saves panel space by providing switching and overcurrent protection in one device for inverter and windlass circuits.
• 100A capacity: Rated to handle heavy loads such as bow thrusters and large inverters without nuisance trips when properly sized.
• Single pole construction: Designed for single conductor circuits where a double pole is not required, suitable for many DC applications.
• ABYC compliant: Meets American Boat and Yacht Council standards so it fits common marine electrical safety expectations.
• Trip free operation: Cannot be held closed after a trip, reducing the risk of repeated faults and component damage.

Who It's For

This breaker is aimed at marine owners and technicians replacing a failed high-amperage single pole device or installing protection for heavy DC loads aboard a vessel. It is also a good fit where ABYC compliance and a combined switch/protection function simplify panel layouts.

Those who need dual-pole isolation for AC shore power or true two-pole DC isolation should look elsewhere, and anyone requiring included or upgraded assembly hardware may want to verify parts before install, as customer feedback on assembly hardware was mixed.

Pros & Cons

Pros

• Solid functionality for high-draw equipment like windlasses and inverters.
• Customers report good fit and straightforward replacement for older breakers.
• Perceived value for money due to durable construction and combined switching/protection.

Cons

• Some users reported concerns about durability over long service life, so expect to inspect periodically.
• Assembly hardware feedback was mixed; verify mounting parts are present before installation.

Specifications

Part Number	7250
Poles	1
Color	White
Amperage	100A
Application	Protection for inverters, bow thrusters, windlasses
Standards	Meets ABYC standards

Our Verdict

The 100A C-Series toggle single pole breaker is a practical choice for marine applications that need a compact, ABYC-compliant overcurrent device with combined switching. It delivers reliable protection for heavy DC loads and represents good value for owners replacing a failed breaker, provided installers confirm any required assembly hardware is included.

Frequently Asked Questions

Is this breaker suitable for inverter protection?
Yes. It is explicitly specified to provide overcurrent protection for inverters when sized appropriately.

Does the breaker stay closed after a trip?
No. The unit features a trip free mechanism that prevents it from being held closed after it trips.

Is this a double pole breaker?
No. This model is a single pole design; double pole versions are a different product if two-pole isolation is required.