GFB220 - 20 Amp Circuit Breaker

GFB220 - 20 Amp Circuit Breaker

Keep your home or business power systems safe and dependable with the Thomas & Betts GFB220—a 20‑amp, two‑pole ground‑fault circuit breaker built to give you lasting protection and peace of mind. Designed for both 120V and 240V applications, this unit quickly interrupts power when ground faults or overloads occur, helping prevent shocks and electrical fires. Rated at 10 kAIC, it can handle high fault currents without giving out, so your circuits stay secure under pressure. From installation to long-term use, the GFB220 combines smart safety features with resilient construction to ensure your wiring stays protected.

Key Features and Benefits

• Ground‑Fault Protection: Monitors current flow and shuts off power in the event of a dangerous ground fault, helping keep people and property safe.
• High Interrupt Capacity: Full 10 kAIC rating allows the breaker to trip cleanly under stress, ensuring circuit stability.
• Quality Construction: Made with rugged materials to stand up to daily use—just what you need in critical safety equipment.
• Compact Footprint: Measuring 4.5” (L) × 2” (H) × 2.75” (W), it conveniently fits into standard panels and tight spaces.
• Versatile Compatibility: Accepts #14–4 AWG wire, fitting a range of wiring needs for simple upgrades or full system builds.

Technical Specifications

• Brand: Thomas & Betts
• Amp Rating: 20A
• Voltage: 120/240V
• Trip Type: Ground‑Fault Circuit Interrupter (GFCI) – Two-pole
• Interrupt Rating: 10 kAIC
• Poles: 2
• Wire Size Supported: #14–4 AWG
• Dimensions: 4.5″ × 2″ × 2.75″
• Weight: 0.7 lb
• Warranty: 10-year limited

Material Compliance and Certifications

• UL 943 & UL 489 Certified: Meets governing safety standards for ground‑fault and overload protection.
• Federal Spec WC375: Approved for government and commercial installations.

Where It Works Best

• Perfect for residential kitchens, bathrooms, workshops, outdoor circuits, and commercial breaker panels, the GFB220 safeguards areas with high water or moisture exposure. It’s an ideal pick whether you’re servicing older panels or designing a new electrical system—especially in laundry rooms, under-sink outlets, pump circuits, and anywhere GFCI protection is required.