Commander 20 Amp Circuit Breaker QBH320 - 20 A Circuit Breaker | AmpState

Meet the Commander QBH320 20A molded case circuit breaker — a compact, reliable protector for branch circuits in panelboards and loadcenters. Designed for versatile use, this 20A breaker delivers dependable overcurrent and short‑circuit protection where it matters most.

• Compact molded case design: maximizes panel space and simplifies installation in tight electrical environments.
• Thermal‑magnetic trip unit: provides stable, repeatable protection by combining thermal sensing for overloads with magnetic tripping for short circuits, ensuring precise response under varying loads.
• OEM‑ready compatibility: specifically built to be compatible with matching OEM loadcenters and panelboards for clean integration and coordinated protection.
• Wide application scope: ideal for residential circuits, light commercial panels, and modest industrial installations that require reliable branch‑circuit protection.
• Clear specifications: Part Number QBH320; Type: Thermal‑magnetic molded case; Amperage Rating: 20A; Application: Branch circuit overcurrent and short‑circuit protection.

Why this matters: the Commander QBH320 delivers fast, predictable protection that reduces nuisance trips while guarding wiring, outlets, and connected equipment. Its compact form and OEM compatibility mean you can upgrade or replace breakers in existing panels without reconfiguring your electrical layout.

Practical use cases:

• Upgrade a crowded main panel by installing QBH320 where a 20A branch circuit is needed, freeing up space for future circuits.
• Protect kitchens, laundry rooms, or workshops with dedicated 20A circuits that demand reliable protection against overloads and shorts.
• In small commercial spaces, deploy QBH320 on general lighting or convenience outlet circuits to maintain safe, uninterrupted operation.