WESTINGHOUSE
MA3700 - 700 Amp Circuit Breaker
MA3700 - 700 Amp Circuit Breaker
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MA3700 - 700 Amp Circuit Breaker
Unlock dependable, high-capacity protection with the MA3700—a 700 Amp, 3‑pole thermal‑magnetic circuit breaker engineered for demanding commercial and industrial setups. This powerful yet user-friendly unit keeps electrical systems safe from overloads and short circuits while letting you customize trip settings and speed up installation with appliance‑side terminals.
Key Features and Benefits
- Double‑Action Safety: Merges thermal and magnetic trip mechanisms to guard against both overloads and short circuits, giving your system a dependable line of defense.
- Interchangeable Trip Unit: Adjust trip thresholds easily for greater control over how the breaker responds—perfect for fine-tuning performance to your system’s needs.
- Quick and Clear Installation: Load-side terminals cut down setup time, helping professionals complete installations faster and more confidently.
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Ready for Tough Conditions: Rated for operation up to 40 °C, the MA3700 stands up to warm environments without compromising performance.
Technical Specifications
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Frame Type: MA
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Poles: 3
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Amperage (Nominal): 700 A
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Interrupting Capacity:
- 22 kA at 600 VAC
- 30 kA at 480 VAC
- 42 kA at 240 VAC
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Dimensions:
- Width: 8.25 inches
- Length: 16.00 inches
- Depth: 4.00 inches
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Weight: 50 lbs
Material Compliance and Certifications
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Crafted from premium-grade components: The MA3700 meets industrial safety and quality standards for electrical protection. It complies with relevant certifications, giving you peace of mind that you’re installing gear that’s built right.
Suitability
- The MA3700 shines in maintenance environments where a high-capacity circuit breaker can make all the difference. Whether you're safeguarding heavy-duty equipment or running power distribution in bustling commercial or industrial applications, its high interrupting value and sturdy build deliver consistent, reliable performance.
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