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Square D PGA36100U44A Molded Case Circuit Breaker
- 1000A
- 3 Pole
- I-Line
Square D
PGA36100U44A
Molded Case Circuit Breaker
Brand
Square D
SKU
PGA36100U44A
Quantity
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Square D PGA36100U44A - 1000A 3 Pole Molded Case Circuit Breaker
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Description
Rated for 65kA at 240VAC, this 1000-ampere molded case circuit breaker brings sophisticated LSIG capabilities to commercial power systems. It incorporates a Micrologic 6.0A electronic trip unit, enabling precise adjustments for long-time, short-time, instantaneous, and ground-fault parameters. The device installs into standard Square D I-Line panelboards and switchboards. True RMS sensing and an integrated ammeter ensure accurate monitoring and reliable coordination across complex networks.Specifications
| Brand | Square D |
|---|---|
| Part Number | PGA36100U44A |
| Series | PGA |
| Amperage | 1000A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 400-1000A |
|---|
| Frame Type | PGA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | (4) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 6.0A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Communication Module |
|---|---|
| Accessories | Micrologic 6.0A Trip Unit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | 80% Rated, HACR Rated, True RMS Sensing, Ammeter |
Product FAQs
8 answersWhat does the U44A suffix indicate on the PGA36100U44A?
The U44A suffix specifies that the breaker is equipped with a Micrologic 6.0 A (Ammeter) electronic trip unit. This provides adjustable Long-time, Short-time, Instantaneous, and Ground-fault (LSIG) protection, along with integrated current metering.
How much mounting space does this P-frame breaker require in an I-Line panel?
This 3-pole PowerPact P-frame breaker requires 9 inches of mounting space in a Square D I-Line panelboard or switchboard.
Is an external neutral sensor required for ground fault protection?
If you are installing this breaker on a 3-phase, 4-wire system, an external neutral current transformer (NCT) is required to provide accurate residual ground fault sensing for the LSIG trip unit.
What is the phase connection for this I-Line breaker?
The PGA36100U44A features a standard ABC phase connection for the I-Line plug-in bus.
Are the LSIG trip functions adjustable on this breaker?
Yes. The Micrologic 6.0 A trip unit allows electricians to adjust the pickup and delay settings for the Long-time, Short-time, Instantaneous, and Ground-fault protection functions to coordinate with the electrical system.
What equipment is the PGA36100U44A compatible with?
This plug-in circuit breaker is designed exclusively for use in Square D I-Line panelboards and I-Line switchboards. It is not compatible with standard unit-mount or drawout configurations.
Does this breaker include a manual testing mechanism?
Yes. PowerPact P-frame breakers feature an integral push-to-trip button on the cover, allowing you to manually trip the breaker to verify the mechanical operation of the operating mechanism.
Does the Micrologic 6.0 A trip unit support Zone Selective Interlocking?
Yes. The Micrologic 6.0 A trip unit includes Zone Selective Interlocking (ZSI) capabilities for both the short-time and ground-fault protection functions.
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