Square D 8998SBF020 Molded Case Circuit Breaker
- 20A
- 3 Pole
- Plug-On
Quantity
Square D 8998SBF020 - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for industrial motor control, the Square D 8998SBF020 is a 3-pole, 20A molded case circuit breaker providing thermal-magnetic protection. It features fixed long-time and instantaneous trip functions. This unit installs into Square D Model 6 Motor Control Centers. It utilizes a plug-on line connection and includes load side lugs accepting #14 to #3/0 AWG wire. With a 100kAIC rating at 480V, it ensures robust fault clearing for critical branch circuits.Specifications
| Brand | Square D |
|---|---|
| Series | 8998 |
| Amperage | 20A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Model 6 Motor Control Centers |
| Wire Gauge | #14 AWG - #3/0 AWG |
| Max Wire | #3/0 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, Alarm Switch |
|---|---|
| Accessories | Handle Mechanism, Load Side Lugs Included |
| Standards | CSA C22.2 No. 254, UL 489, UL 845 |
| Approval | CSA, UL |
| Temp Rating | 40C |
Product FAQs
8 answersWhat motor control centers are compatible with the 8998SBF020?
This branch feeder unit is exclusively designed for installation in Square D Model 6 Motor Control Centers. It features the specific stab pattern and mounting hardware required for Model 6 vertical bus sections.
Is this unit compatible with older Square D Model 4 or Model 5 MCCs?
No. The stab configuration and mechanical mounting provisions on the 8998SBF020 are specific to Model 6 motor control centers and will not fit legacy Model 4 or Model 5 sections.
How is the 8998SBF020 installed into the MCC section?
The unit features a plug-on line connection that engages directly with the vertical bus of the motor control center, allowing it to be inserted as a modular bucket without hardwiring the line side.
What wire sizes can be terminated at the load side of this breaker?
The included load side lugs are rated to accept wire gauges from #14 AWG up to #3/0 AWG, accommodating a wide range of branch circuit conductors for industrial loads.
Does this MCC bucket include the external operating handle?
Yes, this branch circuit breaker unit comes complete with the external handle mechanism required to operate the breaker safely through the motor control center door.
What frame type is used inside this branch feeder unit?
The 8998SBF020 utilizes a Square D PowerPacT H-frame molded case circuit breaker to provide its 20A rating and robust fault clearing capabilities.
Can the trip settings on the 8998SBF020 be adjusted in the field?
No, this breaker features fixed thermal and fixed magnetic trip settings. The long-time and instantaneous trip points are factory set and cannot be modified.
What type of fault protection does this breaker provide for motor circuits?
It utilizes a thermal-magnetic trip unit with fixed long-time and instantaneous functions. This provides delayed tripping for temporary overloads and immediate clearing of severe short circuits.
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