
992320 - 20 Amp Circuit Breaker Description
992320 Thermal Magnetic Circuit Breaker
If you’ve ever tried to match a breaker in an older panel, you know how important it is to get the right fit. The 992320 thermal magnetic circuit breaker is designed for exactly that situation. With its ML frame design, this 20-amp, 3-pole breaker lines up with existing equipment and helps keep your system operating the way it was intended. It handles both overloads and short circuits through a thermal magnetic trip, giving you straightforward, reliable protection without adding complexity. For everyday maintenance or replacement work, it’s a practical option that does the job and keeps things moving.
Key Features and Benefits
- 20 Amp Rating – Provides consistent protection for circuits with moderate electrical loads
- 3 Poles – Designed for use in three-phase systems
- Thermal Magnetic Trip – Responds to overloads and short circuits using proven protection methods
- ML Frame Type – Matches existing ML breaker setups for proper fit and alignment
- 240VAC Rated – Suitable for common commercial and industrial voltage requirements
- Space-Conscious Design – Fits within standard panel dimensions without adjustment
- Built to Last – Designed for long-term use in working electrical systems
Technical Specifications
-
Part Number: 992320
-
Amperage: 20 Amps
-
Poles: 3
-
Voltage Rating: 240VAC
-
Interrupting Capacity (A.I.C.): Rated for 240VAC applications
-
Frame Type: ML
-
Trip Type: Thermal Magnetic
-
Dimensions: 3.00" W x 6.00" L x 3.06" D
-
Weight: 3 lbs
Material Compliance and Certifications
- This breaker is manufactured with standard materials intended for electrical durability and insulation.
- It is suitable for use in systems that follow applicable electrical codes.
- Always verify installation requirements to ensure proper compliance with local standards.
Where It Works Best
- Commercial panelboards
- Industrial control panels
- Maintenance and replacement projects involving ML frame breakers
- Facilities operating legacy electrical systems
- Three-phase applications requiring 20 amp protection
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.
Specifications
- Width:3.0
- Height:6.0
- Depth:3.06
- Poles:3
- Amperes:20
- A.I.C. Rating & Volts:240VAC
- Type:ML
- Approx Dimensions:3.00"W x 6.00"L x 3.06"D
- Additional Notes:Thermal Magnetic Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).
