ABB / General Electric TB836T800 Molded Case Circuit Breaker
- 800A
- 3 Pole
- Bolt-On
Quantity
ABB / General Electric TB836T800 - 800A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for industrial applications, the GE TB836T800 delivers reliable 800A protection within the proven Tri-Break product line. This three-pole MCCB safeguards critical electrical infrastructure. It integrates seamlessly into GE switchboards, AV-Line panels, and motor control centers. Facilities looking to modernize can replace it with the Tmax XT Series using an appropriate retrofit. Equipped with a fixed thermal-magnetic trip, the integrally fused design achieves 200 kAIC at 480VAC.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TB836T800-R |
| Series | TB8 |
| Amperage | 800A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 200kA @ 480VAC, 100kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE Switchboards, Motor Control Centers, AV-Line Switchboards |
| Wire Gauge | (3) 250-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 250 kcmil |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Lugs, Alarm Switch |
|---|---|
| Accessories | Current Limiters (Integrally Fused) |
| Standards | NEMA AB-1, UL 489 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, Integrally Fused, Interchangeable Trip Unit, Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break |
| Special Features | Integrally Fused |
Product FAQs
6 answersHow does the Tri-Break series achieve its high interrupting capacity?
Breakers in the GE Tri-Break family, including the TB8 frame, utilize integrally fused technology. This internal fusing provides advanced current-limiting capabilities to safely clear high-level faults.
Can the trip settings on the TB836T800 be adjusted in the field?
No, this specific thermal-magnetic trip unit features fixed thermal (Long-Time) and fixed magnetic (Instantaneous) settings. However, the trip unit itself is interchangeable within the TB8 frame if different protection parameters are required for your application.
What does the LI trip function code indicate on this breaker?
The LI designation means the interchangeable trip unit provides Long-Time thermal protection against standard overloads and Instantaneous magnetic protection against short circuits.
Which mounting hardware kit is used to install this breaker in QMR panelboards?
When installing a TB8 frame breaker as a single branch in GE CCB switchboards or QMR panelboards, the TB8SPK copper mounting strap kit is required to properly secure the unit.
Will this breaker arrive with ABB or General Electric branding?
Because ABB acquired GE Industrial Solutions, legacy Tri-Break models may feature either GE or ABB branding. Regardless of the label, the physical dimensions, mounting hardware, and performance remain identical.
Is there a modern replacement for the legacy TB8 circuit breaker frame?
Yes, while the TB836T800 is a legacy GE frame, it can be replaced or upgraded to the modern ABB Tmax XT series using a retrofit kit.
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