Built for heavy-duty applications, this 90-amp Siemens MCCB delivers dependable thermal-magnetic protection for commercial and industrial systems requiring an FD-Frame footprint. The breaker mounts into Siemens P1 to P3 panelboards and compatible switchboards. It replaces legacy F-Frame breakers and requires the TA1FD350A lug kit. Featuring a non-interchangeable trip unit, it provides LI functions. It is HACR rated, supports reverse feed setups, and offers a 35 kAIC rating at 480VAC.
Which panelboards are compatible with the Siemens FXD62B090?
This unit-mount FD-frame breaker is designed for Siemens P1, P2, and P3 panelboards, as well as switchboards and motor control centers. Note that installation requires the correct strap kit or mounting hardware specific to your panel type.
What lug kit is used with the FXD62B090?
The standard lug kit for this breaker is the TA1FD350A, which accommodates 6 AWG to 350 kcmil aluminum or copper conductors.
Is the trip unit on the FXD62B090 adjustable?
Yes, it features a thermal-magnetic trip unit with a fixed thermal setting for long-time overloads and an adjustable magnetic setting for instantaneous short-circuit protection.
Can the Siemens FXD62B090 replace older I-T-E breakers?
Yes, Siemens acquired I-T-E, and this Sentron series breaker serves as a direct replacement for legacy I-T-E or Gould FXD62B090 breakers.
Can the FXD62B090 be reverse fed?
Yes, this breaker is UL listed for reverse-feed applications, meaning line power can be connected to either the top or bottom terminals.
Is the FXD62B090 suitable for DC applications?
Yes, this breaker is rated for 250VDC systems with a 30kA interrupting capacity, making it suitable for specific industrial DC control and distribution applications.
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