Built to protect circuits against overloads and short circuits, the Eaton PDG12G0040TFFJ is a molded case circuit breaker. It is rated 40A and 600VAC, with 2 poles and a 35kA interrupting rating at 480VAC. This Power Defense breaker uses a 1-Frame and line and load side lug connections. Its thermal magnetic trip has fixed thermal and fixed magnetic settings, providing long-time and instantaneous protection (LI).
When should I select the Eaton PDG12G0040TFFJ for a circuit?
Select this 40A molded case circuit breaker when the circuit design calls for 40A overcurrent protection. Coordinate that rating with the load requirements and conductor ampacity.
How does the 600VAC rating guide voltage selection?
The 600VAC rating sets the breaker's rated AC voltage limit. Select it for an AC circuit whose operating voltage does not exceed that rating, and evaluate interrupting capacity separately.
How do I evaluate the 35kA interrupting rating at 480VAC?
For a 480VAC application, compare the available fault current at the installation point with the 35kA interrupting rating. The available fault current must not exceed that rating.
Can I adjust the thermal or magnetic trip settings?
Both the thermal and magnetic trip settings are fixed. Thermal-magnetic operation provides overload protection through the thermal element and short-circuit protection through the magnetic element, so select it where fixed trip settings suit the protection design.
How are conductors connected to this breaker?
Both the line and load sides use lug terminals. Plan the incoming and outgoing conductor terminations around lug connections.
Why does RoHS compliance matter when selecting this breaker?
RoHS addresses restrictions on certain hazardous substances in electrical equipment. This breaker supports component selection for projects that require RoHS compliance.
What does the two-pole construction mean for circuit design?
The two poles provide two current paths through the breaker. Use the pole count when determining how many circuit conductors require protection through the device.
What are the breaker body dimensions for layout planning?
The breaker measures 2.9 in high, 2 in wide, and 2.99 in deep. Use these body dimensions to allocate space in the equipment layout.
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