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Siemens / ITE FJ2B175 Molded Case Circuit Breaker
- 175A
- 2 Pole
- Bolt-On
Siemens / ITE
FJ2B175
Molded Case Circuit Breaker
Brand
Siemens / ITE
SKU
FJ2B175
Quantity
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Siemens / ITE FJ2B175 - 175A 2 Pole Molded Case Circuit Breaker
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Description
Built for commercial applications, this 175-amp molded case circuit breaker delivers reliable thermal-magnetic protection. It includes a non-interchangeable trip unit and supports reverse feed setups. As a dedicated replacement component, it installs into classic Siemens and ITE F1, F2, and SB-series enclosures. It replaces FXD62B175 units, allowing you to maintain existing F-frame panelboards. With an interrupting capacity of 25kA at 240VAC, it handles standard fault conditions safely.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | FJ2B175 |
| Series | FJ |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 14kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | FJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens / ITE F1, F2, SB1, SB2, SB3 Panelboards and Switchboards |
| Wire Gauge | 6 AWG - 350 kcmil (Cu/Al) |
| 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 | Load Side Lugs |
| Standards | UL 489, NEMA AB-1, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, Reverse Feed |
Product FAQs
5 answersWhat panelboards accept the FJ2B175 circuit breaker?
This bolt-on breaker is designed for installation in Siemens and ITE F1, F2, SB1, SB2, and SB3 panelboards and switchboards.
What are the acceptable wire sizes for the standard lugs on this breaker?
The factory lugs accommodate either copper or aluminum conductors ranging from 6 AWG up to 350 kcmil.
Is the FJ2B175 part of a legacy product line?
Yes, the FJ frame is a legacy molded case circuit breaker series originally produced by ITE and later by Siemens. It is primarily sourced to service existing F-frame equipment.
Is this breaker suitable for direct current systems?
Yes, in addition to its AC ratings, the FJ2B175 is rated for use on DC systems up to 250VDC with a 10kA interrupting capacity.
Are the trip settings on the FJ2B175 adjustable?
No, this thermal-magnetic breaker utilizes fixed thermal and fixed magnetic elements for its long-time and instantaneous protection functions.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 3 reviews.
Total 5 star reviews: 3 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
3 reviews
- JMJoseph M.Verified BuyerReviewingSiemens / ITE FJ3S225 - 225A 3 Pole Molded Case SwitchI recommend this productRated 5 out of 5 stars3/20/26Siemens / ITE FJ3S225 - 225A 3 Pole Molded Case Switch
Correct item.
- BGBrad G.ReviewingSiemens / ITE FJ3B200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars5/19/21Great Service
We have had great luck with this company!! Great shipping and excellent customer service!
- CGClyde G.ReviewingSiemens FJ3B225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/8/18Had good results with your
Had good results with your people they was very helpful. Shipping was good and on time and products was right.