Siemens / ITE ET225-3150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- Unit Mount
Quantity
Siemens / ITE ET225-3150 - 150A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Part of the legacy ET225 frame family, this 150A, 3-pole molded case circuit breaker provides essential thermal-magnetic protection for industrial systems. It serves as an exact replacement component, ensuring continued operation without requiring panel modifications. Designed for unit mounting, the ET225-3150 installs into older ITE CDP-7, plus Siemens P4, P5, SB1, and SB2 panelboards. It is commonly cross-referenced with the JXD63B150 model. Rated for 600VAC, it features fixed trip settings.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | ET225-3150-R |
| Series | ET225 |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 22kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | K |
|---|---|
| Terminal Type | Lugs |
| For Use With | ITE CDP-7, Siemens P4, P5, SB1, SB2 Panelboards |
| Wire Gauge | 6 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 6 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, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip |
Product FAQs
6 answersWhich panelboards are compatible with the ET225-3150?
This unit-mount breaker installs into older ITE CDP-7 panelboards, as well as Siemens P4, P5, SB1, and SB2 panelboards. It serves as an exact replacement component for these legacy systems.
Is there a common cross-reference for the ET225-3150?
Yes, the legacy ET225-3150 is commonly cross-referenced with the Siemens JXD63B150 molded case circuit breaker.
What wire sizes and materials do the lugs on the ET225-3150 accept?
The included lugs are rated for both aluminum and copper conductors, accepting wire sizes from 6 AWG up to 350 kcmil.
Can the trip settings be adjusted on the ET225-3150?
No, this breaker features fixed thermal and fixed magnetic trip settings. The long-time and instantaneous protection levels cannot be adjusted in the field.
What does the LI trip function indicate on this breaker?
The LI designation means the thermal-magnetic trip unit provides fixed Long-Time (L) overload protection and Instantaneous (I) short-circuit protection.
Can the ET225-3150 be used in DC applications?
Yes, in addition to its 600V AC rating, this breaker is rated for use in DC electrical systems up to 250V DC.
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