Sylvania | SEH1C020 | Circuit Breaker | 20A | 1-Pole | 277V | Bolt-On

Sylvania SEH1C020 is a purpose-built 20A, 1-pole circuit breaker designed for reliable protection of 277V circuits in commercial electrical panels. With a bolt-on mounting style, this breaker delivers a sturdy, dependable connection that stands up to daily equipment vibrations and thermal cycles, making it an ideal choice for maintenance, retrofit, or replacement projects.

Designed for 277V systems, this single-pole breaker governs a single hot leg, safeguarding lighting and power circuits in offices, warehouses, retail spaces, and other commercial environments where 277V distribution is standard. The bolt-on design not only simplifies installation in compatible panels but also provides a secure, long-lasting connection that reduces trip risk from loose fittings.

• Amperage: 20A
• Poles: 1-Pole
• Voltage: 277V
• Mounting: Bolt-On
• Part number: SEH1C020
• Brand: Sylvania
• Applications: Maintenance, retrofit, and replacement in compatible panels

Key benefits in real-world use include faster serviceability in crowded panels, a robust mechanical connection that remains secure under vibration, and a clear path for upgrading or replacing aging breakers without changing the panel hardware. This makes the SEH1C020 especially valuable for facilities teams managing ongoing electrical maintenance or expansion in commercial spaces.

Installation and compatibility tips: Always verify fit and ratings before ordering—the part number SEH1C020 is the best reference for compatibility with your panel. When replacing an existing unit, ensure the panel accepts bolt-on, 1-pole, 277V devices and follow all local electrical codes. For best results, have a qualified electrician perform the installation to ensure proper torque on the mounting screws and correct seating on the bus bars.

In short, the Sylvania SEH1C020 combines precise 20A protection with a practical bolt-on design, delivering dependable performance for 277V circuits while simplifying maintenance and upgrades in commercial environments.