QOB330GFI - Square D 30A 208Y/120VAC 3-Pole Bolt-On Ground Fault Circuit Breaker 10kA Interrupt Rating

Product Overview

The QOB330GFI is a Square D 30 A, 3‑pole bolt‑on circuit breaker with integrated ground-fault protection for 208Y/120 VAC systems and a 10 kA interrupting rating.

This listing represents the single SKU QOB330GFI. Request a quote for pricing and availability.

Key Features

• 30 A rated breaker
• Designed for 208Y/120 VAC three‑phase systems
• Integrated ground‑fault protection (GFI)
• Bolt‑on mounting style
• 10 kA interrupting rating

What this breaker does

The QOB330GFI provides overcurrent protection for three‑phase circuits and includes integrated ground‑fault (GFI) detection to interrupt the circuit when a ground fault is detected on a 208Y/120 VAC system.

• Protects three conductors simultaneously (3‑pole)
• Includes integrated ground‑fault detection

Electrical ratings and system compatibility

This SKU is rated at 30 A for use on 208Y/120 VAC systems and is listed with a 10 kA interrupting rating.

• Rated current: 30 A
• Voltage rating: 208Y/120 VAC
• Poles: 3
• Interrupting rating: 10 kA

Mounting style and form factor

The breaker uses a bolt‑on mounting design. Confirm the target panel accepts bolt‑on breakers of the compatible family before installation.

• Mounting: bolt‑on
• Form factor: 3‑pole breaker with integrated GFI

Selection and ordering guidance

Confirm the model number and electrical requirements before ordering. This listing covers the single SKU QOB330GFI.

• Verify panel accepts Square D bolt‑on QOB family breakers
• Confirm system voltage (208Y/120 VAC) and amperage (30 A)
• Confirm interrupting rating (10 kA) meets site requirements

Before You Order

Confirm the model number, electrical ratings, and panel compatibility before ordering.

• Verify the panel accepts Square D bolt‑on QOB family 3‑pole breakers
• Confirm system voltage is 208Y/120 VAC and required amperage is 30 A

Ordering from Lumera Electric

Check the purchasing options shown on the Lumera Electric product page for QOB330GFI - Square D 30A 208Y/120VAC 3-Pole Bolt-On Ground Fault Circuit Breaker 10kA Interrupt Rating. For project quantities or additional ordering requirements, use Request a Quote and provide the required quantity.