Delivering 30 amps of reliable overcurrent protection, the Square D HGL36030 3-pole MCCB belongs to the PowerPacT H-Frame series. It is engineered to safeguard commercial and industrial electrical distribution systems. Featuring a unit mount design, this breaker installs securely into compatible switchboards and control panels. It replaces legacy FHL36030 breakers to maintain system continuity. The device utilizes thermal-magnetic LI trip technology and boasts a 65kAIC rating at 240VAC.
What enclosures and panels are compatible with the HGL36030?
This unit-mount breaker is designed for use in Industrial Control Panels, Switchboards, and PowerPacT H-Frame enclosures.
What are the tightening torque specifications for the lugs on this breaker?
For 14 to 10 AWG wire, torque the lugs to 44.3 lb-in (5 N.m). For 8 to 3/0 AWG wire, torque to 123.9 lb-in (14 N.m).
Can the Square D HGL36030 be reverse fed?
Yes. Standard unit-mount PowerPacT H-frame circuit breakers with thermal-magnetic trip units are suitable for reverse feeding.
What is the replacement lug kit catalog number for this breaker?
The standard mechanical lug kit for this 30A H-frame breaker is the AL150HD, which accepts 14 AWG to 3/0 AWG aluminum or copper wire.
What do the letters in the HGL36030 catalog number indicate?
The letter H designates the PowerPacT H-Frame, G indicates the interrupting rating (such as 35kA at 480VAC), and L specifies that it is a unit-mount breaker with lugs on both the line and load sides.
Is this circuit breaker rated for use in DC applications?
Yes, it is rated for DC systems, providing an interrupting capacity of 20kA at both 250VDC and 500VDC.
What type of wire can be used with the standard lugs on this breaker?
The factory-installed lugs accept both aluminum (Al) and copper (Cu) conductors ranging from 14 AWG to 3/0 AWG.
What type of trip unit is installed in the HGL36030?
It features a fixed thermal and fixed magnetic trip unit with Long-Time and Instantaneous (LI) protection functions.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.