Siemens EP3150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Plug-On
Quantity
Siemens EP3150 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Delivering 150A of primary capacity, the EP3150 is a 3-pole main breaker designed for residential and commercial service entrances. It provides reliable thermal-magnetic protection with a 10kAIC rating at 240VAC. This plug-on unit installs into Siemens EQ III, PL, and ES series load centers. It serves as a direct replacement for the legacy MBK3150, ensuring continued compatibility for 3-phase panelboards. Part of the Murray EP series, this HACR-rated breaker supports reverse feed applications.Specifications
| Brand | Siemens |
|---|---|
| Part Number | EP3150 |
| Series | EP |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Plug-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | EP |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens EQ III Load Centers, Siemens PL Series Load Centers, Siemens ES Series Load Centers |
| Wire Gauge | 1 AWG - 300 kcmil (Cu/Al) |
| Max Wire | 300 kcmil |
| Min Wire | 1 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, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Main Breaker, Reverse Feed |
Product FAQs
6 answersWhich load centers accept the EP3150 main breaker?
This plug-on main breaker is compatible with Siemens EQ III, PL Series, and ES Series 3-phase load centers.
Can the EP3150 replace legacy Murray main breakers?
Yes, this breaker is part of the Murray EP series and serves as a direct replacement for the legacy MBK3150 main breaker in 3-phase panelboards.
What wire sizes are compatible with the lugs on the EP3150?
The factory-installed lugs accept 1 AWG through 300 kcmil copper or aluminum conductors.
Is this breaker rated for HVAC equipment?
Yes, the EP3150 is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment.
Is the EP3150 suitable for reverse feed applications?
Yes, this breaker supports reverse feed configurations in compatible load centers.
What type of overcurrent protection does this breaker provide?
It features a fixed thermal-magnetic trip unit that provides both long-time overload protection and instantaneous short-circuit protection.
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