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GE TB43225AF14 – 225A 3-Pole Tri-Break Current Limiting Circuit Breaker
Product Overview
This breaker automatically detects and interrupts overloads and short circuits, preventing equipment damage, production downtime, and safety hazards in sectors like oil and gas, power generation, manufacturing, and marine applications. Its factory-installed current limiters enhance fault clearing speed, making it ideal for protecting sensitive automation equipment and critical power distribution infrastructure.
Technical Specifications — TB43225AF14
| Parameter | Value |
|---|---|
| Product Model | TB43225AF14 |
| Manufacturer | General Electric (GE) |
| Product Type | 3-Pole Tri-Break Current Limiting Molded Case Circuit Breaker |
| Power | 225A Rated Current, 600VAC Rated Voltage, 200kAIC Interrupting Capacity |
| Communication / Protocol | Optional auxiliary contacts for remote monitoring |
| Operating Temperature | -25°C to +70°C (-13°F to 158°F) |
| Mounting | Panel Mount (19-inch rack compatible), Flange Mount |
| Dimensions (HxWxD) | 152mm x 102mm x 190mm |
| Weight | 2.8kg (6.17lbs) |
| Typical Interfaces | 3 main power terminals, 2 auxiliary contact terminals |
| Compliance | IEC 60947-2, UL 489, CE, RoHS, IEC 60945 (Marine) |
GE TB43225AF14
Key Features and Benefits — TB43225AF14
- Current Limiting Technology: Factory-installed current limiters reduce fault current magnitude and clearing time, minimizing thermal and mechanical stress on equipment.
- High Interrupting Capacity: 200kAIC rating at 600VAC ensures reliable protection even during severe short-circuit conditions.
- Tri-Break Design: Three-pole configuration with synchronized operation for balanced protection in three-phase power systems.
- Robust Industrial Construction: Molded case design with corrosion-resistant materials withstands vibration, dust, and moisture in harsh environments.
- Flexible Mounting Options: Compatible with standard panel and flange mounting for easy integration into existing power distribution systems.
Related Models
- TB43150AF14: 150A version of the Tri-Break current limiting circuit breaker, suitable for lower current applications.
- TB43300AF14: 300A higher capacity model for larger power distribution systems requiring increased protection.
- TB43225CF14: Non-current limiting variant with adjustable trip settings for applications with specific protection requirements.
- TB43225AF14G: With ground fault protection for enhanced safety in sensitive industrial environments.
Installation and Maintenance — TB43225AF14
- Mount the breaker securely on a panel or flange using appropriate hardware, ensuring proper alignment with busbars or power cables.
- Connect three-phase power to the main terminals, observing correct phase sequence and torque specifications for electrical connections.
- Verify auxiliary contact wiring (if used) for remote monitoring systems, ensuring compatibility with control circuits.
- Perform periodic thermal imaging and resistance testing to identify potential connection issues before they lead to failures.
- Follow manufacturer-recommended maintenance intervals for cleaning, lubrication, and functional testing to ensure long-term reliability.
