GE TBC43400F14G Mag‑Break Molded Case Circuit Breaker

Description

Technical Specifications

Electrical Specifications

• Product Type: 3‑Pole Molded‑Case Circuit Breaker (Mag‑Break Motor Circuit Protector)
• Series: Mag‑Break (TBC Series)
• Rated Current (In): 400 Amperes
• Frame Size: F225 Frame
• Rated Voltage: 600 VAC (3‑phase, 480/600V compatible)
• Interrupt Rating (AIC): 100,000 A symmetrical @ 480 VAC
• Trip Unit Type: Magnetic‑Only (Instantaneous Trip)
• Instantaneous Trip Range: 1000–3300 Amperes (adjustable)
• Current Limiting: Integrated Tri‑Break design with internal current‑limiting fuses (Gould Shawmut A6KA)
• Connection Type: Feed‑Thru Bolt‑On mounting
• Phase Configuration: 3‑Phase, 3‑Wire
• Operating Frequency: 50/60 Hz (auto‑compatible)
• Dielectric Strength: Complies with UL, ANSI, and IEEE industrial standards

Physical & Environmental Specifications

• Dimensions (D x W x H): 5” x 8” x 16” (127mm x 203mm x 406mm)
• Weight: 29.5 lbs (13.4 kg)
• Mounting: Frame‑mount, feed‑thru bolt‑on connection
• Operating Temperature: -25°C to +70°C (-13°F to +158°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Relative Humidity: Up to 90% (non‑condensing)
• Pollution Degree: 2 (industrial environment)
• Ingress Protection: IP20 (enclosed construction)
• Certifications: UL Listed, cUL Certified, ANSI/IEEE compliant, CE marked

Key Features

• Magnetic‑Only Instantaneous Protection: Exclusively provides short‑circuit protection without thermal overload elements, ideal for motor circuits requiring reliable starting and minimal nuisance tripping.
• Tri‑Break Current‑Limiting Technology: Ultra‑fast fault interruption minimizes arc energy, equipment damage, and system downtime during short‑circuit events.
• Adjustable Instantaneous Trip: 1000–3300A adjustable magnetic trip setting for precise short‑circuit protection customization.
• High Interrupt Capacity: 100kA AIC @ 480V delivers robust protection for high‑fault‑current industrial motor systems.
• Internal Current‑Limiting Fuses: Integral A6KA current‑limiting fuses enhance fault‑clearing performance and system safety.
• Feed‑Thru Bolt‑On Design: Secure, permanent feed‑thru connection for high‑vibration industrial environments and easy panel integration.
• F225 Compact Frame: Optimizes panel space utilization in motor control centers and industrial distribution enclosures.
• Visual Trip Indication: Integrated trip flag for quick identification of fault conditions.
• Wide Temperature Operation: Performs reliably in extreme industrial and commercial environments.
• Maintenance‑Free: No periodic calibration required for magnetic trip elements.
• Durable Construction: High‑temperature, corrosion‑resistant internal components ensure long‑term reliability.

Application Scenarios

• Motor Control Centers (MCCs): Primary short‑circuit protection for 3‑phase motors in industrial MCCs, including pumps, fans, compressors, and conveyors.
• Heavy Industrial Motors: Protection for high‑power motors in manufacturing, mining, oil & gas, and metalworking facilities.
• Industrial Power Distribution: Feeder protection for motor circuits in industrial control panels and power distribution systems.
• Manufacturing Facilities: Motor circuit protection for production lines, robotic equipment, and heavy machinery in automotive, electronics, and food processing plants.
• Mining Operations: Protection for underground and surface mining motors, conveyor systems, and ventilation equipment.
• Oil & Gas Industry: Motor circuit protection for drilling rigs, pumping stations, and processing facilities.
• Water & Wastewater: Protection for pump motors in water treatment plants, desalination facilities, and pumping stations.
• Marine & Offshore: Motor circuit protection for marine vessel propulsion systems and offshore platform equipment.
• Utility Substations: Distribution feeder protection for motor loads in medium‑voltage utility substations.
• Data Centers: Motor circuit protection for HVAC and cooling systems in critical data center environments.