Square D 992920 Molded Case Circuit Breaker
- 20A
- 1 Pole
- Bolt-On
Quantity
Square D 992920 - 20A 1 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for industrial applications, the 992920 is a 1-pole, 20A molded case circuit breaker from Square D. This unit installs into Square D motor control centers, ensuring a precise fit. It accepts #14-10 AWG wiring via standard lug terminals. Rated for 10 kAIC at 277VAC, it utilizes fixed thermal and magnetic trip units to deliver consistent long-time and instantaneous (LI) protection.Specifications
| Brand | Square D |
|---|---|
| Series | 992 |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 277VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 277VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Motor Control Centers |
| 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 |
| Accessories | Load Side Lugs Included |
|---|---|
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40C |
Product FAQs
8 answersWhat type of enclosures or equipment is the 992920 compatible with?
This breaker is engineered specifically for use within Square D Motor Control Centers.
How does the 992920 mount into the motor control center?
It utilizes a bolt-on connection type, which provides a secure, vibration-resistant mechanical and electrical connection to the bus assembly.
What wire sizes are accepted by the breaker lugs?
The built-in lug terminals accommodate wire gauges ranging from 14 AWG to 10 AWG.
How is the trip unit configured on this 992 series breaker?
It features a thermal-magnetic trip unit with fixed thermal and fixed magnetic settings, delivering standard Long-Time and Instantaneous (LI) fault protection.
Is the 992920 part of a current or legacy product line?
This breaker belongs to the Square D 99 Frames group, which is classified as a legacy series of molded case circuit breakers.
Can this breaker be installed in standard Square D load centers or panelboards?
No. The 992920 is a specialized bolt-on breaker built exclusively for motor control centers and will not fit in standard QO, Homeline, or I-Line panels.
What specific fault conditions does the LI trip function protect against?
The Long-Time (L) element provides delayed tripping for sustained overloads, while the Instantaneous (I) element trips immediately to clear severe short circuits.
Does this breaker require specialized ring terminals for wire termination?
No, it comes equipped with standard mechanical lugs designed for direct bare wire insertion and tightening.
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