Cutler-Hammer FDB1020S - 20A, 347VAC / 125VDC, 1-Pole, Circuit Breaker

Introducing the Cutler-Hammer FDB1020S, a purpose-built 1-Pole circuit breaker designed to deliver dependable overcurrent protection in demanding electrical environments. This unit combines a compact form factor with robust performance to keep distribution panels, switchboards, and control panels safe and reliable.

Key specifications

• Current rating: 20A
• Voltage rating: 347VAC / 125VDC
• Poles: 1-Pole
• Breaker type: Circuit Breaker

Designed for industrial, commercial, and OEM applications, the FDB1020S excels in distribution panels and motor control centers where reliable protection and safe operation are critical. Its dual voltage rating enables use with AC distribution up to 347V and DC control circuits up to 125V, providing flexibility across a range of systems.

Where you’ll see the most value:

• Panelboards, switchboards, and control panels requiring compact, single-pole protection for individual circuits
• Motor control centers and automation cabinets that mix AC power with DC control lines
• OEM machinery where quick, dependable circuit protection reduces downtime and maintenance steps

Why this matters: A solid 20A rating guards wiring and equipment against overloads without unnecessary nuisance trips during normal operation. The 347VAC / 125VDC rating simplifies selection for diverse power layouts, helping maintenance teams stock and deploy the right protection across multiple systems.

Practical installation and use tips:

• Match the breaker’s current and voltage ratings to your system to ensure proper protection and compliance
• Use in suitable distribution panels or control panels designed for Cutler-Hammer devices
• Plan for routine inspection and replacement after tripping to maintain reliable protection

This Cutler-Hammer model is ideal for electrical professionals who build or service equipment requiring trustworthy overcurrent protection in a compact, single-pole form factor. The FDB1020S stands out by delivering precise, dependable protection in applications where space, safety, and uptime matter most.