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Square D 989715 Molded Case Circuit Breaker
- 15A
- 3 Pole
- Bolt-On
Square D
989715
Molded Case Circuit Breaker
Brand
Square D
SKU
989715
Quantity
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Square D 989715 - 15A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Square D 989715 - 15A 3 Pole Molded Case Circuit Breaker
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Quantity
| Brand | Square D |
|---|---|
| Part Number | 989715 |
| Series | 989 |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D ML-1 Panelboards |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | Legacy ML-1 Frame |
Quantity
Square D 989715 - 15A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | 989 |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D ML-1 Panelboards |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | Legacy ML-1 Frame |
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100A 3 Pole Molded Case Circuit Breaker
15A 3 Pole Molded Case Circuit Breaker
Description
The Square D 989715 is a 3-pole, 15A molded case circuit breaker engineered for commercial facilities. Equipped with thermal-magnetic trip units, it provides reliable long-time and instantaneous (LI) protection against electrical faults. Designed for older infrastructure, this breaker installs into legacy Square D ML-1 panelboards. Featuring a 10 kAIC rating at 480VAC and bolt-on mounting, this ML-1 frame device allows managers to maintain existing power systems safely and efficiently.Specifications
| Brand | Square D |
|---|---|
| Series | 989 |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 480VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 480VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D ML-1 Panelboards |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40°C |
| Construction Features | Legacy ML-1 Frame |
Product FAQs
6 answersWhat panelboards accept the Square D 989715 circuit breaker?
This breaker is designed exclusively for legacy Square D ML-1 panelboards. It will not fit into modern NF, NQ, or I-Line distribution panels.
How is the 989715 breaker secured inside the panel?
It uses a bolt-on mounting configuration, requiring it to be mechanically bolted directly to the panelboard bus for a secure electrical connection.
What type of protection does the thermal-magnetic trip unit provide?
The fixed thermal-magnetic trip unit delivers standard LI protection, meaning it guards against both long-time overloads and instantaneous short circuits.
What wire gauges are supported by the load lugs?
The factory lugs on this breaker accommodate wire sizes from 14 AWG up to 10 AWG. Ensure your conductors fall within this range for proper termination.
Is the Square D ML-1 series still being manufactured?
No, the ML-1 frame series, including the 989715, is obsolete. These breakers are typically sourced to maintain and service existing legacy electrical systems rather than for new construction.
Does this breaker include integrated GFCI or AFCI protection?
No, this is a standard thermal-magnetic breaker. It does not provide ground fault or arc fault circuit interruption.
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