Mounts into Square D ML panelboards to provide 30A of reliable branch circuit protection. The 992130 is a single-pole, bolt-on molded case circuit breaker designed for commercial and industrial environments, serving as an exact substitute for the ML11030. This 99 Series breaker utilizes fixed thermal and magnetic trip elements for precise long-time and instantaneous response. It carries a 10kAIC rating at 120/277VAC and includes load side lugs accepting up to 10 AWG copper or aluminum wire.
Which panelboards accept the Square D 992130 circuit breaker?
The 992130 is specifically designed for bolt-on installation in commercial and industrial Square D ML panelboards.
Is the 992130 a direct replacement for the ML11030?
Yes, the 992130 serves as an exact substitute for the obsolete Square D ML11030 circuit breaker, providing the same 30A branch circuit protection.
How does the thermal magnetic trip mechanism operate on the 992130?
This breaker utilizes an LI (Long-Time and Instantaneous) trip function. It features fixed thermal elements to protect against sustained overloads and fixed magnetic elements for immediate response to short circuits.
What are the conductor requirements for wiring the 992130 breaker?
The breaker includes load side lugs that are dual-rated for copper and aluminum. They accept 14 to 10 AWG copper wire or 12 to 10 AWG aluminum wire.
Is the 99 Series still in active production?
The 99 Series and the ML panelboards they fit are legacy types. The 992130 is used primarily to service and maintain existing obsolete electrical panels.
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