Built to protect circuits against overloads and short circuits, the Eaton PDG23M0025TFFJ molded case circuit breaker is rated 25A. It has 3 poles and an interrupting rating of 65kA at 480VAC. The 2-Frame breaker has line and load side lug connections. Its thermal magnetic trip has fixed thermal and fixed magnetic settings. The LI trip function provides long-time and instantaneous protection.
How does the 25A rating guide selection of the Eaton PDG23M0025TFFJ?
The Eaton PDG23M0025TFFJ is rated 25A. Use that current rating when coordinating breaker selection with the circuit load and conductor ampacity.
Can this breaker be selected for AC or DC service?
The breaker is rated 600VAC and 250VDC. Select it using the voltage rating for the circuit's AC or DC supply, keeping the circuit voltage within the applicable rating.
What does the 65kA interrupting rating at 480VAC mean for selection?
At 480VAC, the breaker has a 65kA interrupting rating. Compare that rating with the available fault current at the installation point, which must not exceed the breaker's interrupting rating.
Can I adjust the overload or instantaneous trip settings?
No. The thermal and magnetic trip settings are fixed. The thermal element responds to sustained overloads, while the magnetic element responds to high-current faults; select the breaker with these fixed responses in mind.
What does the LI trip function mean?
LI means long-time and instantaneous protection. Long-time protection addresses sustained overloads, while instantaneous protection addresses high-current faults, so this trip function guides selection for those protective duties.
How are the incoming and outgoing conductors connected?
The breaker has lug terminals on both the line and load sides. Plan incoming conductor terminations at the line-side lugs and outgoing circuit terminations at the load-side lugs.
How should I plan conductor connections for the three poles?
The three-pole arrangement gives each phase conductor its own pole in a three-phase circuit. Organize the line and load conductors by pole when planning the connections.
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