Square D JGL36175AA Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
Square D
JGL36175AA
Molded Case Circuit Breaker
Brand
Square D
SKU
JGL36175AA
Quantity
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Square D JGL36175AA - 175A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial and industrial applications, the Square D JGL36175AA is a 3-pole, 175A molded case circuit breaker from the PowerPacT J-Frame family. It provides reliable thermal-magnetic protection for distribution systems. This unit-mount breaker installs into Square D NF panelboards, switchboards, and motor control centers. It accepts 4 AWG to 4/0 AWG wire via standard lug terminals.Specifications
| Brand | Square D |
|---|---|
| Part Number | JGL36175AA |
| Series | JGL |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 20kA @ 250VDC, 20kA @ 500VDC |
| Frame Type | JGL |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards, Switchboards, Motor Control Centers, Industrial Enclosures |
| Wire Gauge | 4 AWG - 4/0 AWG (Al/Cu) |
| Max Wire | 4/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
|---|---|
| Accessories | Auxiliary Switch (1A/1B) |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL, CCC |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, 80% Rated |
Product FAQs
8 answersWhat panelboards and enclosures are compatible with the JGL36175AA?
This unit mount breaker is designed for use in Square D NF panelboards, switchboards, motor control centers, and industrial enclosures.
What does the AA suffix in the JGL36175AA catalog number indicate?
The AA suffix means the circuit breaker is factory-equipped with a standard 1A/1B auxiliary switch. This provides one normally open (NO) and one normally closed (NC) contact for remote signaling or control applications.
How do I adjust the trip settings on this breaker?
The JGL36175AA features 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 magnetic trip threshold can be adjusted using the dial located on the front face of the trip unit.
What is the adjustable magnetic trip range for the JGL36175AA?
The instantaneous magnetic trip threshold can be adjusted from a low setting of 875A up to a high setting of 1750A. This allows for precise coordination with other protective devices in your electrical system.
What is the difference between the JGL36175AA and the JGA36175?
The JGL36175AA is a unit mount breaker with feed-thru lugs on both the line and load sides. The JGA36175 is the I-Line version, which features a plug-on jaw connection on the line side for use specifically in Square D I-Line panelboards and switchboards.
What does the G in the JGL36175AA catalog number signify?
The G indicates the breaker's interrupting rating tier within the PowerPacT J-Frame family. For this specific breaker, the G-rating provides 35 kA of interrupting capacity at 480VAC and 65 kA at 240VAC.
Does this breaker provide both overload and short-circuit protection?
Yes, the JGL36175AA uses a thermal-magnetic trip unit. The thermal element provides long-time protection against overloads, while the magnetic element provides instantaneous protection against short circuits.
How is the JGL36175AA mounted?
This is a unit mount circuit breaker. It is designed to be individually mounted onto a backpan or mounting plate using screws, rather than plugging directly into a busbar system.
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