Square D QGA220701 Molded Case Circuit Breaker
- 70A
- 2 Pole
- I-Line
Square D
QGA220701
Molded Case Circuit Breaker
Brand
Square D
SKU
QGA220701
Quantity
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Square D QGA220701 - 70A 2 Pole Molded Case Circuit Breaker
New
Quantity
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Description
Designed for commercial and industrial power distribution, this 70-amp PowerPacT Q-Frame breaker provides reliable long-time and instantaneous protection. It mounts into Square D I-Line panelboards and switchboards, serving as a modern replacement for legacy Q22070 units. Featuring a factory-configured AB phase connection and a robust 65kAIC rating at 240VAC, the thermal-magnetic device ensures superior fault clearing while utilizing the standard Visi-Trip visual indicator for quick diagnostics.Specifications
| Brand | Square D |
|---|---|
| Part Number | QGA220701 |
| Series | QGA |
| Amperage | 70A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 208Y/120VAC, 65kA @ 240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line 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 | Phase Connection AB (Factory Configured) |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, 80% Rated |
Product FAQs
8 answersWhat does the "1" suffix in the QGA220701 catalog number indicate?
The "1" suffix indicates that this 2-pole I-Line circuit breaker is factory-configured for an AB phase connection. It is designed to plug specifically into the A and B phases of a Square D I-Line panelboard or switchboard bus.
How does the QGA220701 connect to the panelboard bus?
It features an I-Line plug-in bracket on the line side that ratchets firmly onto the panelboard bus stack using a screwdriver. This blow-on type connection eliminates the need for separate bus connectors or mounting hardware. The load side utilizes standard mechanical lugs.
Can the QGA220701 be used to replace older Square D Q-frame breakers?
Yes, the PowerPacT QGA220701 is a direct modern replacement for legacy Square D Q220701 circuit breakers. It maintains the same physical dimensions, 70A rating, and AB phase configuration for seamless integration into existing I-Line panels.
Are the trip settings adjustable on the QGA220701?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (thermal) and instantaneous (magnetic) trip functions are factory-set and non-interchangeable. The magnetic hold current is fixed at 1000A, and the magnetic tripping current is fixed at 1800A.
What is the recommended tightening torque for the load-side lugs on the QGA220701?
The load-side mechanical lugs should be torqued to 247.8 lb-in (28 N.m) when securing the 4 AWG to 300 kcmil aluminum or copper conductors.
Can the QGA220701 be used on a 3-phase system?
Yes, while it is a 2-pole breaker, its AB phase connection allows it to draw power from two phases of a 3-phase, 3-wire or 4-wire system (such as 208Y/120V or 240V delta), as long as the system voltage does not exceed 240V AC.
Does the QGA220701 include a manual testing mechanism?
Yes, it features an integral push-to-trip button on the cover that allows electricians to manually verify the mechanical operation of the tripping mechanism. It also includes a visual trip indicator for rapid fault identification.
What if my panel requires a different phase connection than AB?
If your I-Line panelboard requires a different phase configuration, you will need a different catalog number. For example, the QGA220702 is configured for AC phase connections, and the QGA220704 is configured for BC phase connections.
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