Belonging to the Sentron PD family, the Siemens PD63B140 is a 1400A, 3-pole MCCB designed for heavy-duty industrial applications. It provides reliable overcurrent protection for demanding systems. This unit mount breaker installs into Siemens switchboards and enclosures. It includes line and load lugs (TA5P600) to accommodate 5x 300-600 kcmil wiring. Rated 65kAIC at 240V and 50kAIC at 480V, it features an interchangeable thermal-magnetic trip with adjustable magnetic settings.
What equipment is the Siemens PD63B140 designed to be installed in?
This unit-mount PD-frame breaker is designed for use in Siemens Sentron switchboards and compatible standalone enclosures.
What lug kit is standard for this 1400A breaker?
The PD63B140 typically uses the TA5P600 lug kit, which accommodates five 300-600 kcmil aluminum or copper conductors per phase for both line and load sides.
What is the magnetic trip adjustment range for this breaker?
The adjustable magnetic trip on this 1400A thermal-magnetic breaker can be set between 5000A and 10000A.
Can the trip unit on the PD63B140 be replaced or upgraded?
Yes, this breaker features an interchangeable trip unit design, allowing the thermal-magnetic trip assembly to be swapped or upgraded without replacing the entire breaker frame.
Is this breaker rated for DC applications?
Yes, in addition to its AC ratings up to 600VAC, it is rated for DC systems up to 500VDC, providing 30kA interrupting capacity at 250VDC and 25kA at 500VDC.
What safety and performance standards does this breaker meet?
It is UL 489 listed, CSA certified, and meets IEC 60947-2 standards. It also carries an HACR rating for heating, air conditioning, and refrigeration applications.
What is the standard operating temperature for this breaker?
The breaker is calibrated for a standard ambient operating temperature of 40 degrees Celsius (104 degrees Fahrenheit).
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