Operating as a dependable 20A branch circuit protector, this two-pole molded case breaker utilizes fixed thermal and magnetic trip elements. It is engineered specifically for Federal Pacific NE-S frame panelboards in commercial environments. This legacy component installs into older enclosures, offering a seamless fit. It is often cross-referenced with the UBIF0220N aftermarket substitute. Carrying an HACR rating, the device safely manages heating and cooling equipment loads at 18kAIC.
Which panelboards are compatible with the Federal Pacific NES2220?
This breaker is designed specifically for installation in legacy Federal Pacific NE-S Frame Panelboards. It belongs to the Federal Pacific N-Frame group of molded case circuit breakers.
Are the trip settings adjustable on the NES2220 circuit breaker?
No, this breaker features fixed thermal and fixed magnetic trip elements. It provides standard long-time and instantaneous (LI) protection without adjustable dials.
Can the NES2220 be used in direct current (DC) applications?
Yes, alongside its standard 240VAC rating, this breaker is rated for up to 250VDC. When used in DC systems, it provides an interrupting capacity of 5kA.
What wire sizes are compatible with the terminal lugs on this breaker?
The factory-installed lugs on the NES2220 accept wire gauges ranging from 14 AWG to 10 AWG. Ensure proper torque specifications are followed during installation.
Does the NES2220 require bolting to the panel bus?
No, this is a plug-in style molded case circuit breaker. It pushes directly onto the bus of compatible NE-S frame panelboards rather than using bolt-on connections.
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