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Square D QJA221002 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
QJA221002
Molded Case Circuit Breaker
Brand
Square D
SKU
QJA221002
Quantity
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Square D QJA221002 - 100A 2 Pole Molded Case Circuit Breaker
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Description
Built for heavy-duty applications, this 2-pole 100A PowerPacT Q-Frame breaker delivers exceptional current-limiting performance. It is designed to protect commercial and industrial circuits against overloads and short circuits. The QJA221002 installs into Square D I-Line panelboards and features a factory-installed AC phase connection. It is an ideal substitute for discontinued Q22100 models. With a 100kAIC rating at 240VAC, this HACR-rated breaker includes a Visi-Trip visual indicator.Specifications
| Brand | Square D |
|---|---|
| Series | QJA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 208Y/120VAC, 100kA @ 240VAC |
| Frame Type | Q |
|---|---|
| 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, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Phase Connection AC (Factory Configured) |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | ANCE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, High Interrupting Capacity |
Product FAQs
5 answersWhat type of panelboards is the QJA221002 compatible with?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection and cannot be installed in standard QO or Homeline load centers.
How is the QJA221002 installed in a panel?
It utilizes an I-Line plug-on connection for the line side, which snaps directly onto the panelboard bus. The load side uses mechanical lugs that accept 4 AWG to 300 kcmil aluminum or copper wire.
What does the J in the QJA221002 catalog number indicate?
In the Square D PowerPacT Q-Frame nomenclature, the J designates the interrupting rating. A QJA breaker provides a 100kAIC rating at 240VAC, which is higher than the standard QBA (10kAIC), QDA (25kAIC), or QGA (65kAIC) versions.
What does the A in the QJA221002 part number stand for?
The A indicates the connection type. In the Q-Frame series, A specifies an I-Line plug-in connection on the line side and mechanical lugs on the load side.
What does the LI trip function code mean on the QJA221002?
The LI designation indicates that the thermal-magnetic trip unit provides Long-Time (L) overload protection and Instantaneous (I) short-circuit protection. Both the thermal and magnetic trip points are fixed on this specific breaker.
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