ABB / General Electric TJD422250WL Molded Case Circuit Breaker
- 250A
- 2 Pole
- Panel Mount
Quantity
ABB / General Electric TJD422250WL - 250A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built to protect circuits against overloads and short circuits, the General Electric TJD422250WL is a molded case circuit breaker. It has a 250A rated current, 2 poles and 1 phase, with an interrupting rating of 22kA at 240VAC. The TJD series breaker uses a TJD-Frame and line and load side lug connections. Its thermal magnetic trip provides long-time and instantaneous protection.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | TJD422250WL |
| Series | TJD |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | TJD |
|---|---|
| Terminal Type | Lugs |
| For Use With | GE A-Series Panelboards, GE Spectra Panelboards |
| 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, Fixed Magnetic |
| Available Options | Alarm Switch, Auxiliary Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Standards | NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, Non-Interchangeable Trip |
Product FAQs
7 answersHow should I use the 250A rating when selecting the General Electric TJD422250WL?
The 250A rated current is a selection point for coordinating the breaker with the circuit load and conductor ampacity. Check both against applicable circuit-sizing requirements rather than selecting by load current alone.
Can this breaker be selected for AC or DC service?
The breaker is rated 240VAC and 250VDC. Use the rating for the circuit's current type when checking the system voltage.
How does the 22kA interrupting rating affect selection?
At 240VAC, the breaker has a 22kA interrupting rating. The available fault current at the installation point must not exceed that rating.
What does the two-pole, single-phase configuration mean for circuit selection?
The two-pole configuration serves a single-phase circuit requiring protection of two conductors. Choose it when the circuit design calls for that pole count and phase arrangement.
What protection does the thermal-magnetic LI trip provide?
LI provides long-time and instantaneous protection. The thermal element responds to sustained overloads, while the magnetic element responds rapidly to high fault current, addressing both overload and short-circuit conditions.
Can I adjust the thermal or magnetic trip settings?
Both the thermal and magnetic trip settings are fixed. Select the breaker around those fixed characteristics rather than planning to tune its overload or instantaneous response during installation.
How are the incoming and outgoing conductors connected?
Lugs are used on both the line and load sides. Plan conductor termination at the incoming line-side lugs and outgoing load-side lugs.
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