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Circuit Breaker

Square D | MHL363501212 | Circuit Breaker | 350A | 3-Pole | 600V

★★★★★
Amperes 350
Poles 3
Voltage 600
Product Type Circuit Breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $510.00
Sale price $510.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 1746-NO8V - Output Module - Output Module

Square D | MHL363501212 | Circuit Breaker | 350A | 3-Pole | 600V

Regular price $510.00
Sale price $510.00 Regular price
Unit price
Product description
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Meet the Square D MHL363501212 circuit breaker—a rugged, industrial-grade protection device engineered for demanding three‑phase power systems. With a 350‑amp capacity and a 3‑pole configuration, this breaker is designed to interrupt fault currents on up to 600V networks, helping to protect both equipment and personnel during faults or overloads. Ideal for maintenance, retrofit, and replacement projects, it provides a reliable path back to steady operation when original components reach the end of life.

  • Amperage: 350 A
  • Poles: 3‑Pole (three‑phase protection)
  • Voltage rating: 600 V
  • Part reference: MHL363501212 — the best compatibility reference
  • Key applications: maintenance outages, retrofit upgrades, and direct replacements in commercial and industrial panels requiring a 3‑pole, 600V breaker
  • Compatibility note: Confirm fit and ratings before ordering; use the exact part number to ensure proper compatibility

Why this Square D breaker stands out: it’s built to align with the original equipment specifications for 3‑phase distribution, delivering consistent protection without invasive panel modifications. By matching the precise amperage, pole count, and voltage, it minimizes downtime and wiring changes during service or upgrades, helping you restore operation quickly and safely.

Practical scenarios you’ll encounter:

  • Replacing a failed 350A, 3‑pole, 600V breaker in a manufacturing line or processing equipment feed.
  • Upgrading protection in a facility where a 3‑phase feeder requires reliable, code-conforming interruption ratings.
  • Performing routine maintenance with a direct‑match component that preserves original performance and compatibility.

Helpful tips for a smooth purchase:

  • Always verify the panel model and the existing breaker rating to confirm a perfect fit.
  • Keep the MHL363501212 part number handy, as it’s the clearest reference for compatibility.
  • Document the replacement with the panel’s specifications to support future maintenance and audits.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Consistent quality. We’ve added similar items to our regular reorder list.

MRO · Reorder

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Support is responsive when we have questions about fit or application.

Purchasing · Quick answers

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A reliable choice when we need industrial parts on short notice.

Service · Urgent replacement

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day