999370 - 70 Amp Circuit Breaker

999370 - 70 Amp Circuit Breaker

Upgrade your electrical panel with the dependable 999370 circuit breaker — engineered for reliable protection in demanding industrial and commercial environments. This 70‑amp, 3‑pole breaker is rated up to 600 VAC and built on an ML‑1 frame, providing dependable overload and short‑circuit protection for critical systems. Ideal for heavy‑duty power distribution, it combines premium performance with straightforward installation to keep your electrical infrastructure safe, stable, and efficient.

Key Features and Benefits

• Thermal‑Magnetic Protection: Combines both thermal and magnetic trip mechanisms to guard against prolonged overloads and sudden short circuits — for enhanced safety and fewer false trips.
• Space‑Saving and Lightweight: A compact, molded-case design that’s easier to install compared to bulky alternatives — yet still built to last under demanding conditions.
• ML‑1 Frame Construction: Built on an ML‑1 base to meet the rigorous demands of industrial and commercial power systems, offering dependable long-term performance.
• High Capacity Handling: With a 70 A rating and 600 VAC capability, this breaker stands ready to support large loads without compromising safety or performance.

Technical Specifications

• Poles: 3
  
• Amperage: 70 A
  
• Voltage Rating: 600 VAC
  
• Frame Type: ML‑1
  
• Trip Mechanism: Thermal-Magnetic (Molded Case)
  
• Dimensions:
  • Width: 4.50 inches
  • Length: 6.50 inches
  • Depth: 3.00 inches
• Shipping Weight: Approx. 7 lbs
  

Material Compliance and Certifications

• Manufactured with high-quality components and molded-case construction, the 999370 breaker meets or exceeds standard industry safety and performance guidelines. Its build quality ensures consistent, stable operation and a long service life even under heavy use — making it a trustworthy choice for professionals who demand reliability from their electrical components.

Where It Works Best

• The 999370 circuit breaker is a top choice for high-capacity electrical panels, industrial machinery, commercial power distribution setups, and large-scale facility wiring systems. Whether it’s supporting heavy motors, HVAC systems, or complex distribution networks, this breaker offers the safety and durability essential for mission‑critical environments where downtime is not an option.