ABB / General Electric TB43225-AF14 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Quantity
ABB / General Electric TB43225-AF14 - 225A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the Tri-Break family, this 225A three-pole molded case circuit breaker provides high-capacity 200kAIC protection at 600VAC. The TB43225-AF14 comes equipped with factory-installed current limiters for enhanced fault clearing in demanding industrial environments. It installs into compatible GE switchboards and motor control centers, utilizing a bolt-on mounting configuration. Interchangeable trip units allow for precise coordination in complex electrical distribution systems.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TB43225-AF14 |
| Series | TB4 |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 200kA @ 600VAC |
| Frame Type | TB43 |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE Tri-Break Panelboards, GE Switchboards, Motor Control Centers |
| Wire Gauge | 6 AWG - 600 kcmil (Al/Cu) or (2) 2/0 AWG - 250 kcmil (Al/Cu) |
| Max Wire | 600 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Lugs |
|---|---|
| Accessories | Current Limiters Included, Lugs Not Included |
| Standards | NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, Internally Fused, Interchangeable Trip, Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break |
| Special Features | Integrally Fused |
Product FAQs
7 answersWhich GE equipment is compatible with the TB43225-AF14 circuit breaker?
It is designed to bolt directly into GE Tri-Break panelboards, GE switchboards, and motor control centers.
What are the lug wire size capacities for this breaker?
The terminals accept either a single conductor from 6 AWG to 600 kcmil (Al/Cu) or dual conductors from 2/0 AWG to 250 kcmil (Al/Cu).
Can the trip unit be swapped out on the TB43225-AF14?
Yes, this breaker is equipped with an interchangeable trip unit, allowing for field modifications if system requirements change.
How does the LI trip function operate on this Tri-Break MCCB?
The LI designation indicates it provides Long-Time protection for standard overloads and Instantaneous protection for short circuits.
Is the thermal-magnetic trip unit adjustable?
The thermal overload protection is fixed, but the magnetic short-circuit trip threshold is adjustable to coordinate with other devices in your system.
Does the interrupt rating change based on the system voltage?
No, this Tri-Break breaker maintains a 200kAIC interrupt rating across 240VAC, 480VAC, and 600VAC systems.
How does the TB43225-AF14 differ from the TB43225AF14?
They are the exact same General Electric Tri-Break circuit breaker. The hyphen is simply a formatting variation in the catalog number.
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