B220GF - Siemens 20 Amp 2 Pole 120/240V Bolt-On Ground Fault Circuit Breaker, BLFB Series, 10 kA Interrupt Rating, Thermal Magnetic Trip

Product Overview

Siemens B220GF is a 20 amp, 2‑pole bolt‑on circuit breaker with ground‑fault protection for 120/240V systems. It uses a thermal‑magnetic trip mechanism and is listed with a 10 kA interrupting rating.

This SKU is a BLFB‑series ground‑fault breaker intended for power distribution panels requiring combined overcurrent and ground‑fault protection. Contact Lumera Electric for pricing and availability.

Key Features

• 20 Amp, 2‑pole configuration for 120/240V circuits
• Ground‑fault protection integrated into a single bolt‑on breaker
• Thermal‑magnetic trip for overcurrent and short‑circuit protection
• 10 kA interrupting rating

Function and Protection

The B220GF provides combined overcurrent protection and ground‑fault detection in a single device. Its thermal‑magnetic trip handles overloads and short circuits while the ground‑fault feature detects imbalance current indicative of leakage to ground.

• Combined overcurrent and ground‑fault protection in one bolt‑on module
• Suitable for circuits where both branch‑circuit protection and ground‑fault detection are required

Electrical Ratings and Performance

This breaker is rated for 20 amps and is configured as a 2‑pole unit for use on 120/240V systems. The listed interrupting rating for the model is 10 kA.

• Ampacity: 20 A
• Poles: 2 (two‑pole)
• Voltage: 120/240 V
• Interrupting rating: 10 kA
• Trip type: Thermal‑magnetic

Mounting and Form Factor

The B220GF is a bolt‑on style breaker designed for installation in compatible Siemens bolt‑on panelboards and distribution equipment. Its form factor is intended to fit BLFB series mounting requirements.

• Mounting: Bolt‑on
• Series: BLFB

Ordering and Part Identification

The product page covers the single SKU B220GF. Confirm the model number when specifying equipment to ensure it matches the required protection and panel compatibility.

• Manufacturer: Siemens
• Model / SKU: B220GF
• Condition: New

Before You Order

Confirm the exact model number and that a bolt‑on BLFB‑series breaker is compatible with your panelboard. Verify that 20 A, 2‑pole ground‑fault protection with a 10 kA interrupting rating meets your application and local code requirements before ordering.

• Confirm panel compatibility with BLFB bolt‑on breakers
• Verify required ampacity and ground‑fault protection type
• Check that a 10 kA interrupting rating is sufficient for your service

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for B220GF - Siemens 20 Amp 2 Pole 120/240V Bolt-On Ground Fault Circuit Breaker, BLFB Series, 10 kA Interrupt Rating, Thermal Magnetic Trip. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.