Square D PLM34120CU44A Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Unit Mount
Quantity
Square D PLM34120CU44A - 1200A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering 100kA interrupting capacity at 480VAC, this PowerPact P-frame MCCB integrates advanced microprocessor-based sensing. The onboard Micrologic 6.0A trip unit provides fully adjustable long-time, short-time, instantaneous, and ground fault protection parameters. Designed for unit-mount configurations, it installs into Square D QED switchboards and Model 6 motor control centers. True RMS sensing ensures accurate response to complex harmonic loads in demanding industrial environments.Specifications
| Brand | Square D |
|---|---|
| Part Number | PLM34120CU44A |
| Series | PLM |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC |
| Amperage Range | 480-1200A |
|---|
| Frame Type | PLM |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QED Switchboards, Model 6 Motor Control Centers |
| 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, Motor Operator, Padlock Attachment, Communication Module |
|---|---|
| Accessories | Line Side Lugs Included, Nut Keeper Kit |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, HACR Rated, True RMS Sensing, Interchangeable Trip Unit, Visual Trip Indicator |
Product FAQs
5 answersWhat equipment is the PLM34120CU44A designed to be installed in?
This unit mount PowerPacT P-frame breaker is commonly installed in Square D QED switchboards and Model 6 Motor Control Centers.
Does this breaker plug into an I-Line panelboard?
No. The PLM34120CU44A is a unit mount breaker. It bolts directly to a backpan or mounting surface and is not compatible with I-Line bus connections.
How are the line and load connections configured on this breaker?
The PLM34120CU44A features mechanical lugs on the line side and terminal nuts on the load side, which are typically used for busbar attachments or custom lug configurations.
What wire sizes do the factory line lugs accept?
The line side lugs accept four 3/0 AWG to 500 kcmil aluminum or copper conductors per phase.
What protection features does the Micrologic 6.0 A trip unit offer?
The 6.0 A trip unit provides adjustable Long-time, Short-time, Instantaneous, and Ground-fault (LSIG) protection. The A designation indicates it includes an integrated ammeter for local current monitoring.
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