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Siemens FXD62B250 Molded Case Circuit Breaker
- 250A
- 2 Pole
- Unit Mount
Siemens
FXD62B250
Molded Case Circuit Breaker
Brand
Siemens
SKU
FXD62B250
Quantity
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Siemens FXD62B250 - 250A 2 Pole Molded Case Circuit Breaker
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Description
Part of the Sentron FD-frame family, this 250A MCCB provides robust thermal-magnetic protection for industrial environments. It features a non-interchangeable trip unit with adjustable magnetic settings. Designed for broad compatibility, it installs into Siemens P1-P5 panelboards and SB switchboards. It replaces legacy F-Frame units and requires a TA1FD350A lug kit. Rated 65kAIC at 240VAC, the unit is HACR rated and supports reverse feed.Specifications
| Brand | Siemens |
|---|---|
| Series | FXD6 |
| Amperage | 250A |
| 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 | FXD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards, SB Switchboards, Motor Control Centers |
| 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, Lug Kits, Rotary Handle, Motor Operator |
|---|---|
| Accessories | Requires Lug Kit TA1FD350A |
| 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 |
Product FAQs
8 answersWhat does the "B" in the FXD62B250 catalog number signify?
The "B" indicates that this breaker is supplied from the factory without lugs installed. You must source the appropriate lug kits separately for your specific wire size and material.
Which lug kit is required for the FXD62B250 circuit breaker?
The standard line and load lug kit for this 250A FD frame breaker is the TA1FD350A. This kit accepts #6 AWG to 350 kcmil copper or aluminum conductors.
Can the Siemens FXD62B250 be reverse fed?
Yes. Because it is built with a non-interchangeable trip unit, this breaker complies with UL 489 and CSA C22.2 No. 5 requirements for reverse feed applications.
What Siemens enclosures accept this breaker?
The FXD62B250 is designed for bolt-on installation in Siemens P1, P2, P3, P4, and P5 panelboards, as well as SB switchboards and motor control centers.
Is the trip unit on the FXD62B250 adjustable?
Yes, it features a thermal magnetic trip unit with a fixed thermal setting and an adjustable magnetic setting. The adjustable instantaneous trip allows you to fine-tune the short circuit response to prevent nuisance tripping and improve downstream coordination.
Is this breaker HACR rated?
Yes, the FXD62B250 carries an HACR rating, making it fully approved for protecting heating, air conditioning, and refrigeration equipment circuits.
How do I order this breaker with factory installed lugs?
To receive this breaker with standard line and load lugs pre-installed from the factory, you would use the catalog number FXD62B250L.
Can this breaker replace older I-T-E F frame breakers?
Yes, the FXD62B250 is part of the Sentron FD frame family and can be used to replace legacy I-T-E or Siemens F-frame circuit breakers in existing distribution equipment.
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