SEH3C20 - 20 Amp Circuit Breaker

- 20 Amp
- 14k @ 480VAC; 18k @ 240VAC
- 3 Pole
Purchase Options:
SEH3C20 - 20 Amp Circuit Breaker Description
SEH3C20 - 20 Amp Circuit Breaker
Packed with performance and engineered for industrial or commercial setups, the SEH3C20 delivers dependable protection that keeps operations running smoothly. With a compact footprint and durable thermal‑magnetic design, it guards against overloads and short circuits—helping you maintain safety and uptime.
Key Features and Benefits
- 20 Amp, 3‑Pole Design: Ideal for three‑phase installations requiring balanced protection across all legs, ensuring safe load distribution.
- Versatile Interrupting Capacity: Rated at 18 kA interrupting capacity (A.I.C.) at 240 VAC, and 14 kA at 480 VAC, offering flexibility for diverse voltage environments westinghouselvmv.com+13circuitbreakersuperstore.com+13Radwell International+13.
- Thermal‑Magnetic Mechanism: Combines thermal trip (for overload) and magnetic trip (for short‑circuit) responses, all rated at 40°C ambient—minimizing nuisance trips while maximizing safety circuitbreakersuperstore.com.
- Space‑Saving Format: Its compact 4.13″ × 6.31″ × 3.38″ dimensions mean it fits neatly into tight panel layouts without compromise circuitbreakersuperstore.com+1lassutech.com+1.
- Professional‑Grade Build: Designed with high‑quality materials for lasting performance under real‑world conditions.
Technical Specifications
- Poles: 3‑Pole
- Rated Current: 20 Amperes
- Voltage & Interrupting Capacity: 18 kA at 240 VAC; 14 kA at 480 VAC
- Trip Type: Thermal‑Magnetic (Molded Case)
- Ambient Rating: Rated at 40 °C
- Dimensions: 4.13″ W × 6.31″ L × 3.38″ D
- Weight: Approximately 6.5 lbs
Material Compliance and Certifications
- Manufactured to meet industry safety and durability standards, the SEH3C20 is built using certified components that ensure consistent performance in critical environments. While the original manufacturer may no longer ship this model directly circuitbreakersuperstore.com+11Radwell International+11Schneider Electric+11, every unit we stock has passed rigorous inspection and testing to meet or exceed legacy safety criteria.
Where It Works Best
- This breaker shines in industrial gear, motor control centers, distribution panels, and commercial power systems. If you need reliable 3‑phase protection in a space‑limited panel and applications running at 240 or 480 VAC, the SEH3C20 is a smart choice. It’s especially useful for installations where dependable overload and short‑circuit safety is a must, yet footprint is at a premium.
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. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:4.13
- Height:6.31
- Depth:3.38
- Poles:3
- Amperes:20
- A.I.C. Rating & Volts:14k @ 480VAC; 18k @ 240VAC
- Type:SEH
- Approx Dimensions:4.13"W x 6.31"L x 3.38"D
- Additional Notes:40°C, Molded Case 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).