ABB / General ElectricTJJ436400WL
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ABB / General Electric TJD434400WL Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
ABB / General Electric
TJD434400WL
Molded Case Circuit Breaker
Brand
ABB / General Electric
SKU
TJD434400WL
Quantity
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ABB / General Electric TJD434400WL - 400A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial distribution, the GE TJD434400WL delivers 400A of overcurrent protection. As part of the legacy J-Frame family, this 3-pole molded case circuit breaker secures heavy-duty electrical systems. This unit mount breaker installs into GE A-Series panelboards, Spectra Series panelboards, and switchboards. For modern upgrades, it is replaced by the ABB Tmax XT5 series using a retrofit kit.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TJD434400WL |
| Series | TJD |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 250VDC, 415VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC, 20kA @ 250VDC, 22kA @ 415VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | GE A-Series Panelboards, GE Spectra Series Panelboards, GE Switchboards |
| Wire Gauge | (1) 6 AWG - 600 kcmil or (2) 2/0 AWG - 250 kcmil (Cu/Al) |
| 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, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included (TCAL43) |
| Standards | UL 489, NEMA AB-1, CSA C22.2 No. 5, IEC 60947-2 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, Common Trip, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
5 answersWhat equipment is the TJD434400WL designed to fit?
As a legacy GE J-Frame unit mount breaker, it is engineered for direct installation in GE A-Series panelboards, GE Spectra Series panelboards, and GE switchboards.
What does the "WL" suffix indicate on the TJD434400WL catalog number?
The "WL" suffix signifies that the circuit breaker comes factory-equipped with both line and load side lugs, specifically the TCAL43 lug kit. If a breaker does not have this suffix, it typically means line-side lugs are not included.
What are the conductor size limits for the TJD434400WL lugs?
The factory-installed lugs accommodate either a single conductor ranging from 6 AWG to 600 kcmil, or dual conductors from 2/0 AWG to 250 kcmil. They are rated for both copper and aluminum wire.
How does the trip adjustability work on the TJD434400WL?
This breaker utilizes a thermal magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection. The trip unit itself is non-interchangeable.
What is the recommended replacement for the legacy TJD434400WL?
For modern panel upgrades, this legacy GE J-Frame breaker is typically replaced by the ABB Tmax XT5 series circuit breaker, which can be installed using a dedicated retrofit kit.
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