Description 

The Siemens BF220AH is a 2-pole molded case ground fault circuit breaker designed for reliable electrical protection in residential, commercial, and light industrial systems. It operates at 120/240 VAC with a 20A current rating and an interrupting capacity of 22kA@240V. The breaker combines thermal-magnetic protection with integrated ground fault detection for enhanced safety and system reliability.

Technical Specifications 

Information About BF220AH

The BF220AH is part of Siemens’ BL Series of molded case circuit breakers, engineered for use in panelboard-mounted applications. Designed with a bolt-on connection and BLHF frame, this breaker ensures secure installation and consistent conductivity. It provides thermal-magnetic trip protection, offering both long-time overload and instantaneous short-circuit interruption. The ground fault protection feature adds another layer of safety, making the BF220AH suitable for environments requiring personnel and equipment protection against leakage currents.

Key Features:

• Dual-Pole Configuration: Supports 2-pole operation for 120/240 VAC circuits.
• Ground Fault Protection: Detects and interrupts leakage currents to prevent electric shock and fire hazards.
• Thermal-Magnetic Trip Unit: Provides reliable overload and short-circuit protection.
• High Interrupting Capacity: Rated at 22kAIC @ 240V for dependable fault clearing.
• Bolt-On Mounting: Ensures secure installation within compatible Siemens panelboards.
• Compact Design: Saves panel space with efficient form factor for dense installations.
• UL and CSA Certified: Meets rigorous safety and performance standards.
• Temperature Rated: Designed to operate at up to 40°C ambient temperature.

The BF220AH delivers the reliability and precision required for safe and efficient ground fault protection in power distribution systems.