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Siemens FXD62B150L Molded Case Circuit Breaker
- 150A
- 2 Pole
- Unit Mount
Siemens
FXD62B150L
Molded Case Circuit Breaker
Brand
Siemens
SKU
FXD62B150L
Quantity
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Siemens FXD62B150L - 150A 2 Pole Molded Case Circuit Breaker
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Description
The Siemens FXD62B150L is a complete 2-pole, 150A molded case circuit breaker solution that includes pre-installed TA1FD350A lugs for immediate termination. Designed for unit-mount applications within Sentron P1, P2, and P3 panelboards, this FD-frame breaker delivers a 35kA interrupting capacity at 480VAC. It features a reliable thermal-magnetic trip unit with long-time and instantaneous (LI) functions, making it an excellent choice for commercial switchboards and motor control centers.Specifications
| Brand | Siemens |
|---|---|
| Part Number | FXD62B150L |
| Series | FXD6 |
| Amperage | 150A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | FD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards (Type P1, P2, P3), Switchboards, Enclosures |
| Wire Gauge | 6 AWG - 350 kcmil (Cu), 4 AWG - 350 kcmil (Al) |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| 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 | Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip, Trip-Free Mechanism |
Product FAQs
7 answersWhat does the L suffix in the FXD62B150L catalog number indicate?
The L suffix indicates that this breaker comes factory-assembled with line and load side lugs, specifically the TA1FD350A lug kits. Without the L suffix, the breaker frame and trip unit are supplied without lugs.
What is the difference between the FXD62B150L and the FD62B150L?
The X in the FXD62B150L part number designates a non-interchangeable trip unit. The standard FD62B150L features a removable, interchangeable trip unit. Because the trip unit is fixed, the FXD62B150L is UL listed for reverse-feed applications.
Which panelboards are compatible with the FXD62B150L circuit breaker?
This FD frame breaker is designed for unit-mount installation in Siemens Sentron Type P1, P2, and P3 panelboards, as well as compatible commercial switchboards and standalone enclosures.
Can the FXD62B150L be reverse fed?
Yes. Because it features a non-interchangeable trip unit, the FXD62B150L is UL listed for reverse-feed applications where power flows from the OFF end of the breaker toward the ON end.
How does the adjustable magnetic trip function work on this breaker?
The FXD62B150L features a Thermal Magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element. The magnetic dial allows you to fine-tune the instantaneous short-circuit trip threshold to coordinate with downstream devices or motor inrush currents.
What wire sizes are accepted by the standard lugs on the FXD62B150L?
The factory-installed TA1FD350A lugs accept 6 AWG to 350 kcmil copper wire, or 4 AWG to 350 kcmil aluminum wire.
Can the FXD62B150L be used in DC applications?
Yes, this breaker is rated for use in direct current systems up to 250VDC, where it provides a 30kA interrupting capacity.
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