Belonging to the Square D PowerPacT H-Frame family, this 150A MCCB delivers thermal-magnetic protection for industrial applications. The "SA" suffix denotes a factory-installed 120VAC shunt trip for remote operation. Designed for unit-mount configurations, the HDL36150SA installs into switchboards and control panels. It utilizes standard line and load lugs for secure wire terminations. This 3-pole breaker provides a D-interrupting rating of 14kA at 600VAC and features a Visi-Trip indicator. (Breaker sold as HDL36150 with field-installable shunt trip included.)
HACR Rated, Current Limiting, Reverse Feed, 80% Rated, Non-Interchangeable Trip
Product FAQs
9 answers
What does the "SA" suffix mean in the HDL36150SA catalog number?
The "SA" suffix indicates that this circuit breaker includes a factory-installed 110/130VAC shunt trip for remote tripping applications. The base breaker without this accessory is the HDL36150.
What wire sizes are accepted by the lugs on the HDL36150SA?
The standard line and load lugs on this H-Frame breaker accept 14 AWG to 3/0 AWG aluminum or copper wire.
What does the "D" in the HDL36150SA catalog number signify?
The "D" indicates the breaker's interrupting rating class within the PowerPacT series. For this frame, the D-class provides a maximum interrupting capacity of 18kA at 480VAC and 14kA at 600VAC.
Can the HDL36150SA be installed in an I-Line panelboard?
No. The "L" in the HDL prefix indicates it is a unit-mount breaker with lugs on both ends. For an I-Line panelboard, you need the I-Line version, which uses an "A" termination code (e.g., HDA36150).
Is the trip unit on the HDL36150SA adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time (overload) and instantaneous (short-circuit) trip thresholds are factory-set and cannot be adjusted in the field.
What types of enclosures or panels is the HDL36150SA suitable for?
As a unit-mount breaker, it is designed for use in industrial control panels, switchboards, and standalone industrial enclosures where feed-thru lug connections are required.
Can I field-install a shunt trip if I purchase the standard HDL36150 instead?
Yes, the PowerPacT H-Frame breakers accept field-installable accessories. However, the HDL36150SA comes with the 120VAC shunt trip already factory-installed, saving assembly time.
Can the HDL36150SA be reverse fed?
Yes, standard PowerPacT H-Frame thermal-magnetic breakers like the HDL36150SA do not have line and load restrictions and are suitable for reverse-fed applications.
Does this breaker mount on a DIN rail?
Out of the box, the HDL36150SA is a unit-mount breaker designed to be bolted directly to a panel or backplate. However, it can be adapted for DIN rail mounting using a separate accessory kit.
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