Siemens / ITE ET4080 Molded Case Circuit Breaker
- 80A
- 3 Pole
- Unit Mount
Quantity
Siemens / ITE ET4080 - 80A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
A reliable solution for aging infrastructure, the Siemens ET4080 is a 3-pole, 80A unit mount circuit breaker. It offers fixed thermal and adjustable magnetic (LI) protection to safeguard commercial electrical networks. Designed for seamless integration, this breaker mounts into legacy ITE and Siemens switchboards, including FC-I and FC-II models. It acts as an exact cross-reference for FD63B080 units. Delivering a 25kAIC rating at 240VAC, the device features common trip functionality.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | ET4080-R |
| Series | ET |
| Amperage | 80A |
| 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 | 4-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Common Trip, Trip-Free Mechanism, Quick-Make/Quick-Break, 40C Calibration |
Product FAQs
4 answersWhich Siemens and ITE distribution equipment accepts the ET4080 breaker?
This unit-mount breaker is compatible with Siemens and legacy ITE CDP-6, S5, and P5 panelboards, as well as FC-I and FC-II switchboards.
What are the conductor requirements for the ET4080 terminals?
The included lugs are rated for both copper and aluminum wire, accepting conductor sizes from 4 AWG up to 1/0 AWG.
How does the trip unit function on the ET4080?
It utilizes a thermal-magnetic (LI) trip unit. The thermal element provides fixed long-time overcurrent protection, while the magnetic element offers adjustable instantaneous short-circuit protection.
What alternate part numbers apply to the ET4080?
This breaker is also cataloged under the hyphenated part number ET-4080. It is an authentic Siemens and ITE product used to replace older breakers in legacy systems.
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