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Square D QJA222002 Molded Case Circuit Breaker
- 200A
- 2 Pole
- I-Line
Square D
QJA222002
Molded Case Circuit Breaker
Brand
Square D
SKU
QJA222002
Quantity
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Square D QJA222002 - 200A 2 Pole Molded Case Circuit Breaker
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Description
Designed for commercial power distribution, the Square D QJA222002 is a 2-pole, 200A molded case circuit breaker from the PowerPacT Q-Frame series. It provides essential long-time and instantaneous protection for 240VAC circuits. Featuring an I-Line plug-on mounting style with an AC phase connection, it fits Square D panelboards and functions as a direct substitute for legacy Q22200 breakers. Rated for 100kAIC, this current-limiting device includes a Visi-Trip indicator and is HACR rated.Specifications
| Brand | Square D |
|---|---|
| Part Number | QJA222002 |
| Series | QJA |
| Amperage | 200A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC |
| Frame Type | QJA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| 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, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | AC Phase Connection (Factory Configured) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Phase Connection AC, High Interrupting Capacity |
Product FAQs
8 answersWhat panelboards are compatible with the QJA222002?
This breaker mounts in Square D I-Line panelboards and switchboards. It is backward compatible with older I-Line distribution sections that previously housed legacy Q-frame breakers.
Which legacy Square D breakers does the QJA222002 replace?
The PowerPacT Q-frame series serves as a direct replacement for older Square D Q2 series breakers, such as the Q22200. It fits into the same I-Line panelboard spaces without requiring enclosure modifications.
What is the accepted wire size and torque specification for the lugs?
The box lugs accept 4 AWG to 300 kcmil aluminum or copper conductors. The required tightening torque is 247.8 lb-in (28 N.m).
What does the final digit in the QJA222002 catalog number indicate?
The suffix 2 indicates that the breaker is factory configured for an A and C phase connection on the I-Line bus.
What does the J in the QJA prefix signify?
The J designates the interrupting rating tier within the PowerPacT Q-frame family. It indicates an extra high interrupting capacity of 100kAIC at 240VAC.
What are the magnetic trip thresholds for this 200A breaker?
The fixed thermal-magnetic trip unit has a magnetic hold current of 1200A and a magnetic tripping current of 2400A.
How does the I-Line mounting system work on this breaker?
I-Line circuit breakers use blow-on type plug-on connectors. During a short circuit, increased magnetic flux causes the connectors to tighten their grip on the panelboard bus bars. The connectors are integral to the breaker and cannot be removed.
Is the QJA222002 rated for 100 percent continuous operation?
No, this breaker has a standard continuous current rating of 80 percent.
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