HGA36110 - Square D - Molded Case Circuit Breaker I-Line Plug-In - 110 Amp - 3 Pole - 600 Volt
HGA36110 - Square D - Molded Case Circuit Breaker I-Line Plug-In - 110 Amp - 3 Pole - 600 Volt
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Square D HGA36110 – 110 Amp Molded Case Circuit Breaker, I-Line Plug-In
Engineered for commercial and industrial applications, the Square D HGA36110 provides 110A of 3-pole protection within the PowerPacT H-Frame family. It features a thermal-magnetic trip unit delivering long-time and instantaneous (LI) protection and installs into Square D I-Line panelboards and switchboards.
The HGA36110 replaces legacy KA36110 and KH36110 breakers. Rated 35 kAIC at 480VAC, it includes current-limiting capabilities and a Visi-Trip indicator.
Product Specifications
| Brand | Square D / Schneider Electric |
| Series | HGA (PowerPacT H-Frame) |
| Part Number | HGA36110 |
| Amperage | 110A |
| Voltage | 208Y/120VAC, 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC, 250VDC, 500VDC |
| Poles | 3 |
| AIC Rating | 65kA @ 208Y/120VAC & 240VAC, 35kA @ 480Y/277VAC & 480VAC, 18kA @ 600Y/347VAC & 600VAC, 20kA @ 250VDC & 500VDC |
| Mounting Style | I-Line Plug-In |
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic (Non-Interchangeable) |
| Trip Function | LI – Long-Time, Instantaneous (Fixed) |
| Wire Range | 14 AWG – 3/0 AWG (Al/Cu) |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle |
| Accessories | Load Side Lugs (AL150HD) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approvals | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25°C to 70°C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Non-Interchangeable Trip, 80% Rated, Visual Trip Indicator |
Why Choose the Square D HGA36110?
- Direct KA36110 / KH36110 Replacement: Legacy-compatible upgrade path.
- Current Limiting Design: Reduces fault energy let-through.
- 80% Rated, HACR Rated: Suited for continuous commercial and HVAC loads.
- Visi-Trip Indicator: Fast visual fault identification.
Common Applications
- Commercial and industrial power distribution panels
- HVAC and mechanical equipment feeders
- KA36110 / KH36110 panelboard upgrades
- Manufacturing and process control systems
Frequently Asked Questions
What panels is the HGA36110 compatible with?
Square D I-Line panelboards and switchboards that accept plug-in breakers.
What is the interrupting rating of the HGA36110?
35 kA at 480Y/277VAC and 480VAC, 65 kA at 208Y/120VAC and 240VAC, and 18 kA at 600VAC.
What does the HGA36110 replace?
Legacy KA36110 and KH36110 breakers.
What lugs does it include?
AL150HD load side lugs.
Is this a new unit?
Yes — this listing (SKU HGA36110-N) is new-in-box and ready for immediate installation.