Siemens / ITE F2B040 Molded Case Circuit Breaker
- 40A
- 2 Pole
- Unit Mount
Quantity
Siemens / ITE F2B040 - 40A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for commercial facilities, the Siemens F2B040 is a 2-pole, 40A molded case circuit breaker with a unit mount design and standard LI trip functions. This legacy component installs into older ITE E-Frame, Siemens Sentron, and P2/P3 panelboards. It serves as an exact-fit solution for aging infrastructure, eliminating the need for retrofit kits. This specific model is officially replaced by the newer ED42B040.Specifications
| Brand | Siemens / ITE |
|---|---|
| Part Number | F2B040-R |
| Series | F2B |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 14kA @ 480VAC, 10kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | F |
|---|---|
| Terminal Type | Lugs |
| For Use With | ITE E-Frame Panelboards, Siemens Sentron Panelboards, Siemens P2/P3 Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 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 | CSA C22.2 No. 5, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip |
Product FAQs
5 answersWhich panelboards are compatible with the F2B040 circuit breaker?
This breaker is designed for installation in legacy ITE E-Frame panelboards, as well as Siemens Sentron and Siemens P2/P3 panelboards.
What wire sizes and materials are accepted by the F2B040 terminal lugs?
The included lugs accept wire gauges ranging from 14 AWG up to 1/0 AWG and are rated for both copper and aluminum conductors.
How does the F2B040 mount into an electrical enclosure?
This is a unit mount circuit breaker. It bolts directly to the mounting surface or backpan rather than plugging onto a busbar.
Can the F2B040 be used in DC voltage applications?
Yes, in addition to its standard AC ratings, this breaker is rated for up to 250VDC with a 10kA interrupting capacity.
Are the thermal and magnetic trip settings adjustable on this breaker?
No, the F2B040 features a thermal-magnetic trip unit with fixed long-time and fixed instantaneous trip functions.
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