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999316 - 100 Amp Circuit Breaker

  • 100 Amp
  • 600VAC
  • 3 Pole
Circuit BreakersSKU: 999316 [R]

Purchase Options: Refurbished

999316 - 100 Amp Circuit Breaker Description

999316 - 100 Amp Circuit Breaker

The 999316 Circuit Breaker delivers dependable, heavy-duty protection for industrial and commercial electrical systems. Engineered for reliability and safety, this 3‑pole, 100‑amp breaker is built to perform under demanding conditions — guarding your equipment and infrastructure against overloads and short circuits. With a 600 VAC A.I.C. rating and a molded ML‑1 case design, the 999316 offers long-lasting service and stable performance, making it a smart choice for businesses that require consistent electrical safety and power distribution across high-voltage circuits.

Key Features and Benefits

  • High-Voltage Capacity: Rated for 600 VAC, the 999316 handles high-voltage circuits with ease, making it suitable for power distribution in industrial plants, commercial buildings, and heavy‑duty electrical installations.
  • Thermal‑Magnetic Protection: Built with both thermal and magnetic trip elements, it responds fast to prolonged overloads and sudden short circuits, helping prevent damage to wiring and connected equipment.
  • Molded Case Construction: The ML‑1 molded case design ensures durability and dependable performance over time — even in rigorous, high-stress environments.
  • 3‑Pole Configuration: Offers full protection across all three phases of a three-phase system, providing balanced load management and safety for complex electrical setups.

Technical Specifications

  • Poles: 3
  • Amperage: 100 A
  • Voltage / A.I.C.: 600 VAC
  • Frame Type: ML‑1 molded case
  • Dimensions:
    • Width: 4.50 inches
    • Length: 6.50 inches
    • Depth: 3.00 inches
  • Ship Weight: 6 lb

Material Compliance and Certifications

  • Industry Standards: This circuit breaker is manufactured in compliance with stringent industry standards to ensure safety, performance, and reliability. It meets applicable UL‑rated requirements (or equivalent national standards), giving you assurance that each unit adheres to trusted guidelines for electrical protection.

Where It Works Best

  • The 999316 circuit breaker is ideal for industrial facilities, manufacturing plants, commercial complexes, data centers, and large-scale construction projects — essentially anywhere there’s a need for high-amperage, three-phase power protection. It excels in environments where electrical stability and safety are non-negotiable, and it’s especially valuable when you need a dependable breaker to safeguard heavy machinery, HVAC systems, or power-distribution panels serving multiple circuits.

 


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:4.5
  • Height:6.5
  • Depth:3.0
  • Poles:3
  • Amperes:100
  • A.I.C. Rating & Volts:600VAC
  • Type:ML-1
  • Approx Dimensions:4.50"W x 6.50"L x 3.00"D
  • Additional Notes:F-Frame, Thermal-Magnetic, Molded Case Circuit Breaker

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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