The leading wholesale supplier of GFCI Breakers DIRECT to installers. Bulk Discounts - Siemens QF220 as low as $59.99. Large inventory for fast delivery. . Shop our ground fault (GFCI / GFI) circuit breakers, or Residual Current Device (RCD), which offer GFCI protection by shutting off electric power when they sense an imbalance between the outgoing and incoming current. Shop our ground fault (GFCI / GFI) circuit breakers, or Residual Current Device. . Siemens GFCI circuit breakers are UL Listed and cUL Certified to provide Class A GFCI protection. Current imbalances of 4-6 mA or more between load conductors will cause the ground fault sensor to trip the circuit breaker. These circuit breakers offer Self-Test and Lockout features as required by. . Where to Find 220 gfci breaker factory Suppliers? B2B buyers seeking reliable 220 gfci breaker factory suppliers can access global manufacturing hubs, digital platforms, and industry networks. This chapter outlines the most effective channels for identifying credible suppliers with proven. . At Lowe's, we offer circuit breakers from top brands, such as Eaton circuit breakers and Cutler-Hammer circuit breakers. You can also find other types of circuit protection devices. Look for specialized products, such as arc-fault circuit interrupters (AFCIs). Sometimes called arc-fault circuit. . HOM220GFI is a Square D Homeline 20 Amp 2-Pole Ground Fault Circuit Interrupter (GFCI) circuit breaker designed for residential and light commercial electrical panels. This circuit breaker features a 120/240 VAC voltage rating, 10,000 A interrupting rating (10kAIC), and plug-in mounting type.