Square D 973816 Molded Case Circuit Breaker
- 100A
- 2 Pole
- Unit Mount
Quantity
Square D 973816 - 100A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
A vital component for older residential services, the Square D 973816 is a 2-pole, 100A molded case circuit breaker. It utilizes thermal-magnetic technology to deliver reliable long-time and instantaneous protection. This legacy unit mount breaker fits Square D Series 973 Meter Mains. It features a feed-thru design with line and load lugs accepting 4-2/0 AWG wire. Rated at 10kAIC, it provides standard fault clearing. It is officially replaced by the Square D M22100 for modern upgrades.Specifications
| Brand | Square D |
|---|---|
| Part Number | 973816-R |
| Series | 973 |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Series 973 Meter Mains |
| Wire Gauge | 4-2/0 AWG (Al/Cu) |
| Max Wire | 2/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Accessories | Line and Load Lugs Included |
|---|---|
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40°C |
Product FAQs
3 answersCan the 973816 be used in standard Square D load centers?
No, this is a specialized legacy breaker designed exclusively for Square D Series 973 Meter Mains. It features a specific lug-to-lug configuration and will not fit standard QO or Homeline load centers.
Is there a modern replacement for the 973816 circuit breaker?
Yes, the 973816 is an obsolete legacy component. For modern upgrades and replacements, it crosses over to the Square D M22100 circuit breaker.
How is the 973816 breaker wired within the meter main?
It features a feed-thru design, meaning it utilizes both line and load lugs for hardwiring rather than drawing power directly from a panel busbar.
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