Square D MA36350 - 350 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D MA36350—a 350 A, 3-pole plug-in molded-case circuit breaker designed to deliver dependable branch circuit overcurrent and short‑circuit protection in panelboards and load centers. Available from AmpState, this unit blends fast installation with robust protection for demanding electrical environments.

Fast, worry‑free plug‑in installation

Engineered for quick plug‑in connections, the MA36350 minimizes downtime during replacement or upgrades. Its plug‑in mounting aligns with standard Square D bus systems, enabling secure, straightforward installation and easy future maintenance.

Thermal‑magnetic protection for stable, repeatable trips

The integrated thermal‑magnetic trip unit provides precise overload protection (thermal) and rapid short‑circuit response (magnetic). This dual protection approach maintains consistent trip characteristics across varied temperatures and load profiles, reducing nuisance trips and safeguarding critical equipment.

OEM‑compatible versatility

Designed to be paired with matching Square D OEM load centers and panelboards, the MA36350 ensures proper fit, coordinated protection, and reliable performance. It’s ideal for residential, commercial, and light industrial applications that demand high current protection in a compact, plug‑in form factor.

Distinctive value that sets it apart

• 350 A, 3-pole plug‑in circuit breaker for high‑demand branch circuits
• Plug‑in mounting enables rapid swaps and reduced panel downtime
• Thermal‑magnetic trip delivers stable, repeatable protection across operating conditions
• OEM compatibility with Square D panelboards and load centers for seamless integration
• Reliable for residential to light industrial electrical systems

Technical snapshot

• Manufacturer: Square D
• Part Number: MA36350
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 350 A
• Number of Poles: 3
• Mounting Style: Plug‑in
• Applications: Branch circuit overcurrent and short‑circuit protection

Practical use and installation guidance

Before installation or replacement, verify that your panelboard or load center supports 350 A and is compatible with plug‑in MA‑series breakers. Adhere to essential safety practices, confirm proper torque on lugs, and inspect bus stabs for wear or corrosion. For critical or high‑fault‑current environments, consider professional installation to maintain UL listings and ensure optimal protection performance.

Perfect for who and where

Property managers, electrical contractors, and facilities teams managing commercial spaces, warehouses, or light industrial facilities will benefit from the MA36350’s quick replacement capability, minimized downtime, and dependable protection. When you need heavy‑duty, reliable 3‑pole protection in a plug‑in format, the Square D MA36350 from AmpState is a compelling choice.