Logic & Relay

AB 100-C09*10 Reversing Motor Starter with 120V Coil: Worth It for Small Motor Control?

A used Allen Bradley AB 100-C09*10 reversing motor starter with 120V coil and 1.6/5A overload relay is priced at $74.99. It's a compact, complete assembly for small reversing motor circuits, but the used condition requires careful inspection.

Last updated Aug 17, 2026

When you're looking through relays contactors industrial switches, a reversing motor starter is one of the more specific choices you'll face. You need to balance coil voltage, overload protection, and physical packaging, and you want forward/reverse operation without hunting down separate components. You also need to know whether the unit you're considering fits the motor you're actually running.

The AB 100-C09*10 reversing motor starter addresses that problem directly: it's built around two contactors for reversing, includes a 1.6/5A overload relay, and uses a 120V coil. At $74.99, it's positioned as a complete package rather than a bare contactor, which can make the decision easier if you're upgrading an existing panel or putting together a test rig.

Quick Verdict

For a small motor control project, this reversing starter gives you the core pieces in one package. It's a workable choice when the motor's current falls within the relay's range.

Who It Suits

Panel builders, maintenance techs, and advanced hobbyists who need a reversing starter for small motor applications. It integrates neatly into typical control transformer setups. If you're replacing a failed starter, this could be a reasonable drop-in, provided the motor is within the overload relay's rating.

What Stands Out from the Listed Details

The included overload protection is the standout. Many reversing contactors are sold without protection, forcing you to source a separate overload relay. Here, the relay is part of the package. The interconnecting wire between the contactors is another practical inclusion-it saves a step during wiring and helps ensure the mechanical interlock works as intended.

Meaningful Trade-Offs

The main catch is condition: this is a used unit, so there's no guarantee of how much wear it has seen. Inspect the contacts for pitting and check the coil for continuity before putting it into service. The 1.6 to 5 amp limit is also a real constraint-if your motor draws more than that, this starter isn't the right match. And because the coil is 120V, you'll need a control circuit at that voltage or a transformer to get there.

Product Note

AB 100-C09*10 Reversing motor starter Contactor 1.6/5A overload relay 120V Coil

AB 100-C09*10 Reversing motor starter Contactor 1.6/5A overload relay 120V Coil

Listed at $74.99, this reversing starter gives you the two contactors, the overload relay, and the connector wire between contactors-so you don't have to hunt for those parts separately. That completeness is the main reason to choose it for a small motor project. The trade-off is that it's a used unit, which means you should bench-test the coil and contacts before putting it into service.

Bottom Line

If your motor fits the included overload relay and your control circuit matches the coil voltage, the AB 100-C09*10 reversing motor starter offers a practical, complete solution. The used condition is worth a careful inspection, but for the included relay and wiring, it could be exactly what you need to get a reversing circuit running.

Products in this article
AB 100-C09*10 Reversing motor starter Contactor 1.6/5A overload relay 120V CoilUSD 74.99View on eBay
AB 100-C09*10 Reversing motor starter Contactor 1.6/5A overload relay 120V CoilUSD 74.99View on eBay

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