The Square D JDL36150SA is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 150 Amps and a voltage rating of 600VAC. It has an interrupting rating of 18kAIC at 480VAC. The JDL36150SA has a feed-thru connection type and includes long time and instantaneous trip functions.
What does the SA suffix mean on the JDL36150SA catalog number?
The SA suffix indicates that this breaker includes a factory-installed 120VAC shunt trip. This allows the breaker to be tripped remotely by applying 120V to the shunt trip coil.
What is the magnetic trip range for this 150A J-Frame breaker?
The JDL36150SA features an adjustable magnetic trip that can be set between 750A and 1500A, while the thermal overload protection is fixed at 150A.
What is the maximum interrupting capacity of the JDL36150SA at 240VAC and 250VDC?
While rated for 18kA at 480VAC and 14kA at 600VAC, this D-interrupting class J-Frame breaker provides a 25kA interrupting capacity at 240VAC and 20kA at 250VDC.
What is the recommended lug torque for the JDL36150SA?
The standard line and load lugs on this breaker should be torqued to 230 lb-in (26 N.m) when terminating 4 AWG to 4/0 AWG copper or aluminum conductors.
Can I field-install a shunt trip if I purchase a standard JDL36150 instead?
Yes, PowerPacT J-Frame breakers accept field-installable accessories. However, the JDL36150SA comes with the 120VAC shunt trip already factory-installed, saving assembly time in the panel shop.
Is the JDL36150SA suitable for reverse-fed applications?
Yes, PowerPacT J-Frame thermal magnetic circuit breakers are suitable for reverse-fed applications, allowing power to be supplied to either the line or load side terminals.
What enclosures or panels is the JDL36150SA compatible with?
This unit-mount breaker is designed for use in Square D industrial control panels, switchboards, and individual enclosures. It is not compatible with I-Line panelboards, which require plug-on breakers.
Does this breaker include a Visi-Trip indicator?
Yes, like all PowerPacT J-Frame breakers, the JDL36150SA features a Visi-Trip indicator that provides a clear visual cue when the breaker has tripped, improving safety and troubleshooting speed.
What is the continuous current rating of the JDL36150SA?
This breaker is standard 80% rated, meaning the continuous load should not exceed 120 Amps (80% of its 150A nominal rating) per NEC guidelines for continuous loads.
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