Siemens / ITE ET4031 Molded Case Circuit Breaker
- 15A
- 3 Pole
- Unit Mount
Quantity
Siemens / ITE ET4031 - 15A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for 600VAC industrial systems, the ET4031 delivers reliable thermal-magnetic protection. This 15-amp, three-pole unit features a trip-free mechanism. Designed as an exact fit for legacy infrastructure, it mounts into ITE and Siemens CDP-6, S5, and P5 panelboards. It serves as a seamless alternative to the newer FXD63B015 substitute. Rated at 14kAIC at 480VAC, this LMD frame component ensures robust fault clearing with load side lugs included.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | ET4031-R |
| Series | ET |
| Amperage | 15A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | ITE / Siemens Panelboards (CDP-6, S5, P5), Switchboards (FC-I, FC-II) |
| Wire Gauge | 14-10 AWG (Cu/Al) |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break, 40C Calibration |
Product FAQs
5 answersWhich panelboards and switchboards are compatible with the ET4031 circuit breaker?
This breaker is designed to install into classic ITE and Siemens CDP-6, S5, and P5 panelboards, as well as FC-I and FC-II switchboards.
What is the modern replacement for the legacy Siemens ET4031?
The legacy ET4031 is commonly replaced by the newer Siemens FXD63B015 molded case circuit breaker. Utilizing an exact ET4031 replacement, however, can eliminate the need for panel modifications and upgrade costs.
Are ET4031 and ET-4031 the same circuit breaker?
Yes, ET-4031 is simply an alternate formatting of the exact same Siemens / ITE catalog number.
Does the ET4031 come equipped with terminal lugs?
Yes, this unit mount breaker includes lugs that are rated to accept 14 to 10 AWG copper or aluminum (Cu/Al) conductors.
What type of fault protection does the ET4031 provide?
It utilizes a thermal-magnetic trip unit with fixed long-time and instantaneous (LI) functions to protect electrical systems against overloads and short circuits.
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