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
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Protection |
| Part Number |
BF220AH |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
BL Series |
| Frame Type |
BLHF |
| Breaker Type |
Ground Fault Circuit Breaker (GFCI) |
| Amperage Rating |
20 A |
| Voltage Rating |
120/240 VAC |
| Poles |
2 |
| Phase |
Single Phase |
| Interrupting Rating |
22kAIC @ 240V |
| Protection Type |
Thermal Magnetic |
| Functions |
Long-Time and Instantaneous Trip |
| Mounting Type |
Panelboard |
| Connection Type |
Bolt-On |
| Terminal Connection |
Load Side Lug |
| Standards |
UL, CSA |
| Temperature Rating |
40 °C |
| Country of Origin |
Philippines |
| Dimensions (H x W x D) |
3 x 2 x 8 in |
| Weight |
2 lb |
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.
