Built for commercial applications, the Siemens JXD23B225 is a 3-pole, 225A molded case circuit breaker from the Sentron family. This JD-frame breaker installs into Siemens Sentron panelboards, SB switchboards, and motor control centers. It is eventually replaced by the 3VA series. Rated 65kAIC at 240VAC, it features a non-interchangeable thermal-magnetic trip unit with adjustable magnetic settings. Lugs are not included.
Does the Siemens JXD23B225 replace older I-T-E breakers?
Yes, the Siemens JXD23B225 is a direct replacement for the legacy I-T-E JXD23B225. Both share the same physical dimensions, JD frame footprint, and electrical ratings.
What does the B in the JXD23B225 catalog number indicate?
The B signifies that this breaker is supplied without lugs installed. You must source and install the appropriate lug kits separately based on your specific wire size and material requirements.
Which lug kits are compatible with the JXD23B225 breaker?
Common compatible lug kits for this JD frame breaker include the TA2J6500 for aluminum or copper wire (3/0 AWG to 500 kcmil) and the TC2J6500 for copper wire only.
What types of enclosures or panels accept the JXD23B225?
This JD frame breaker is designed for installation in Siemens Sentron panelboards, SB switchboards, and motor control centers.
Is the thermal magnetic trip unit on the JXD23B225 interchangeable?
No, the JXD23B225 features a non-interchangeable trip unit. It provides a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
Can the JXD23B225 be used in reverse-feed applications?
Yes, Siemens JXD2 circuit breakers are UL Listed for reverse-feed applications, allowing them to be back-fed safely when required by the system design.
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