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Circuit Breaker
Westinghouse | MA3300S | Circuit Breaker | 300A | 3-Pole | 600V
| Amperes | 300 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
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.
Westinghouse | MA3300S | Circuit Breaker | 300A | 3-Pole | 600V
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
Product description
Shipping
The Westinghouse MA3300S Circuit Breaker is a rugged, maintenance-friendly solution designed for main protection in commercial and light industrial electrical panels. With a sturdy 300A rating across 3 poles and a 600V maximum, it delivers dependable overcurrent protection for three-phase systems, helping keep your equipment and personnel safer during demanding operation.
This MA3300S model is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter. Its 3-pole configuration supports standard three-phase service, while the 600V rating covers a wide range of panel voltages typically found in commercial settings. When you’re upgrading an existing panel or upgrading the protection scheme, this breaker aligns with Westinghouse systems and is identified by the MA3300S part number, making compatibility checks straightforward.
Why electricians and facility teams choose the MA3300S
- Accurate, purpose-driven specs: 300A main protection across 3 poles, suitable for three-phase loads and motor circuits common in warehouses, manufacturing floors, and large office complexes.
- 600V versatility: Designed for panels and feeders operating up to 600V, providing broad applicability without compromising safety.
- Clear reference for compatibility: Part number MA3300S is the most reliable signal when sourcing replacements or consolidating inventory.
- Maintenance-friendly approach: A solid option when you need a readily available, dependable breaker that supports serviceability and downtime reduction.
- retrofit-ready: Ideal for updating older installations where three-pole protection and higher current capacity are required to support upgraded equipment or increased load demands.
Important note: Confirm fit and ratings before ordering. The MA3300S designation is the best reference to ensure compatibility with your panel and electrical system. If your project requires a 300A, 3-pole, 600V main breaker, this Westinghouse model is a purpose-built choice that helps you meet code compliance and protect your valuable assets.
Specs at a glance
- Amperage: 300 A
- Poles: 3-Pole
- Voltage: 600 V
- Part number: MA3300S
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