Engineered for commercial applications, the Schneider Electric HGL36070AA provides robust overcurrent protection. This 3-pole, 70A MCCB utilizes thermal-magnetic trip technology with fixed LI functions. The unit-mount configuration installs easily into compatible switchboards and motor control centers, accepting 14 to 3/0 AWG wire. Rated 65kAIC at 240VAC, this current-limiting breaker includes a factory-installed 1A/1B auxiliary switch and features a Visi-Trip indicator for quick diagnostics.
What does the "AA" suffix mean in the HGL36070AA catalog number?
The "AA" suffix indicates that this breaker comes equipped with a factory-installed 1A/1B auxiliary switch (OF). This allows for remote signaling of the breaker's open or closed status.
Does the HGL36070AA mount directly to a panelboard bus?
No, the HGL36070AA is a unit-mount, feed-thru circuit breaker. It does not plug into or bolt onto a panelboard bus like an I-Line breaker. It is designed to be mounted to a backpan or enclosure and hard-wired using the provided lugs.
Is the HGL36070AA circuit breaker 80% or 100% rated?
This model is a standard 80% rated circuit breaker. For continuous loads lasting three hours or more, the load should not exceed 80% of its 70A capacity, which is 56 amps.
Can I swap the trip unit on the HGL36070AA to change its amperage?
No, the HGL36070AA features a fixed thermal-magnetic trip unit. The trip unit is non-interchangeable, meaning the 70A rating and LI trip functions cannot be modified in the field.
Is the HGL36070AA suitable for reverse feeding?
Yes, this thermal-magnetic PowerPacT H-frame breaker is suitable for reverse feed applications. You can supply power to either the top or bottom lugs without affecting the breaker's protective functions.
Is the HGL36070AA rated for use with HVAC equipment?
Yes, this circuit breaker is HACR rated. It is approved for use with heating, air conditioning, and refrigeration equipment that requires HACR-rated overcurrent protection.
How can I visually verify if the HGL36070AA has tripped?
This breaker includes a Visi-Trip indicator. When the breaker trips due to an overcurrent or short circuit condition, the handle moves to a center position and a high-visibility indicator appears, allowing for quick diagnostics in a crowded control panel.
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