B220GFHH Siemens 20A 2-Pole GFCI Bolt-On Breaker, 120/240V, 65kA, Type HBLFB

B220GFHH Siemens 20A 2-Pole GFCI Bolt-On Breaker, 120/240V, 65kA, Type HBLFB

Wiring a two-pole ground fault circuit for a spa, a hot tub, or a temporary jobsite panel? The Siemens B220GFHH is a bolt-on Class A GFCI breaker rated 20 amps at 120/240 volts. Siemens builds it as a type HBLFB, and the HH on the end of the catalog number is the 65,000 amp interrupting tier rather than a different trip curve.

On the wire side, you do not need a load neutral for the two-pole circuit, but the white line neutral pigtail has to land on the panel neutral. Siemens lists this device for 120/240 V AC single-phase three-wire, the 120/240 V AC portion of 240/120 V three-phase four-wire, and 208Y/120 V three-phase four-wire. It is UL Listed and cUL Certified to UL 943, HACR and SWD rated, and shielded against RF interference to hold down nuisance trips.

Common Applications

• Spa and hot tub circuits
• Kitchen receptacles
• Bathroom receptacles
• Construction power
• 120/240 V AC single-phase, three-wire
• The 120/240 V AC portion of 240/120 V three-phase, four-wire
• 208Y/120 V three-phase, four-wire

Key Features

• Class A ground fault protection: Opens the circuit when it sees 4 mA to 6 mA of imbalance or more between the conductors.
• 65,000 A interrupting rating: The HH suffix puts this breaker in the top interrupting tier Siemens offers on this ground fault line.
• UL 943 self-test: The breaker checks itself over and over and trips on its own if the protection is no longer good.
• RF interference shielding: Built-in shielding keeps radio frequency noise from pulling the breaker offline for no reason.
• No load neutral required: Two-pole circuits run without a load neutral, but land the white pigtail on the panel neutral bar.

Specifications

• Manufacturer: Siemens
• Catalog Number: B220GFHH
• Type: HBLFB
• Product Type: Class A ground fault circuit interrupter circuit breaker
• Poles: 2
• Amperage: 20 A
• Voltage: 120/240 V AC
• Interrupting Rating: 65,000 A
• Ground Fault Sensitivity: Class A, 5 mA
• Mounting: Bolt-on
• Standard: UL 943
• Listings: UL Listed, cUL Certified
• Additional Ratings: HACR, SWD
• Lifecycle Status: Active

Product Identification

• Packaging Dimensions: 5.00 in L x 2.00 in W x 3.00 in H
• Net Weight: 0.8 lb

FAQ

What does the HH mean on a B220GFHH? It marks the 65,000 amp interrupting rating, which is the highest tier Siemens catalogs for this two-pole ground fault breaker.

Is the B220GFHH a personnel GFCI or an equipment ground fault breaker? It is Class A personnel protection at 5 mA, not a 30 mA equipment protection device.

Do I have to run a neutral to the load? No. The two-pole circuit does not need a load neutral, but the white line neutral pigtail must be connected to the panel neutral.

Does the B220GFHH test itself? Yes. Self-test comes standard per UL 943, and the breaker trips itself if it finds its own protection has been compromised.

What voltage systems is it listed for? Siemens lists 120/240 V AC single-phase three-wire, the 120/240 V AC portion of 240/120 V three-phase four-wire, and 208Y/120 V three-phase four-wire.