Siemens / Murray EQ9985R EQ9985 - 200A 2 Pole Molded Case Circuit Breaker
- 200A
- 2 Pole
- Plug-On
Quantity
Siemens / Murray EQ9985 - 200A 2 Pole Molded Case Circuit Breaker
New
Quantity
Description
An exact replacement for older Siemens and Murray EQ series load centers, the EQ9985R restores safe power distribution without requiring a panel upgrade. This 200-amp main breaker features a plug-on mounting style and occupies a four-pole width in compatible enclosures. Rated for 22 kAIC at 120/240V, it provides reliable thermal-magnetic protection and serves as an alternative to the MBK200 for residential and commercial main service applications.Specifications
| Brand | Siemens / Murray |
|---|---|
| Series | EQ |
| Amperage | 200A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | 225A |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens EQIII Load Centers, Murray EQ Load Centers, Murray Meter Mains |
| Wire Gauge | #4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Accessories | Lugs Included |
|---|---|
| Standards | UL 489 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Main Breaker, Common Trip, High Interrupting Capacity |
Product FAQs
7 answersWhich load centers accept the EQ9985R main breaker?
It is approved for installation in Siemens EQIII load centers, Murray EQ load centers, and Murray meter mains that require a 225A frame plug-on main breaker.
How many panel spaces does the EQ9985R occupy?
While it operates electrically as a 2-pole main breaker for 120/240V single-phase systems, its physical footprint requires four standard 1-inch spaces in the load center.
What is the acceptable wire range for the EQ9985R terminals?
The factory-installed lugs accept conductors ranging from 4 AWG to 300 kcmil. Ensure proper torque specifications are followed during installation.
Is there a difference between the EQ9985 and EQ9985R catalog numbers?
No, they refer to the same 200A main breaker. The R suffix typically designates retail packaging or specific distributor routing, but the breaker itself and its technical specifications are identical.
Are the trip settings adjustable on the EQ9985R?
No, this breaker features fixed thermal-magnetic trip settings for both long-time and instantaneous protection.
Can this breaker be used in systems with high fault current availability?
The EQ9985R has a maximum short-circuit interrupting rating of 22kAIC at 240V. It is suitable for services where the available fault current does not exceed 22,000 amps.
Does this main breaker provide AFCI or GFCI protection?
No, this is a standard thermal-magnetic breaker. It provides essential overload and short-circuit protection but does not include arc fault or ground fault circuitry.
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