Square D - HGA36125 125A 3-Pole 600V I-Line Plug-In Circuit Breaker
Product images are representative only. Actual product may vary.
The Square D HGA36125 is a 3-pole, 125-amp thermal magnetic molded case circuit breaker (MCCB) rated for 600VAC with I-Line plug-in mounting. Manufactured by Schneider Electric, this HG-frame breaker delivers dependable overcurrent and short-circuit protection for industrial and commercial feeder and main circuits in three-phase 600V distribution systems. The I-Line plug-in design allows for quick, reliable installation in compatible Square D switchboards and panelboards.
Specifications
| Attribute | Value |
|---|---|
| Part Number | HGA36125 |
| Manufacturer | Square D / Schneider Electric |
| Amperage Rating | 125A |
| Voltage Rating | 600VAC |
| Number of Poles | 3 |
| Trip Type | Thermal Magnetic |
| Mount Type | I-Line Plug-In |
| Interrupting Rating | 65kA @ 240V / 25kA @ 600V |
| Standard | UL 489 Listed |
| Frame Series | HG |
Key Features
- I-Line plug-in mounting for fast installation in Square D HG-frame switchboards
- Thermal magnetic trip for reliable overload and instantaneous short-circuit protection
- 125A rating for medium-capacity feeder and main circuit protection
- 3-pole configuration for three-phase 600V systems
- UL 489 Listed, NEC compliant
- Compatible with Square D HG-frame I-Line accessories
Common Applications
- 125A feeder and branch circuit protection in 600V industrial switchboards
- Motor control center (MCC) branch feeder protection
- Commercial and industrial main sub-panel protection at 600V
- Manufacturing plant distribution panels
- Replacement for Square D HG-frame I-Line compatible equipment
Frequently Asked Questions
What is the Square D HGA36125?
The HGA36125 is a 125-amp, 3-pole, 600V thermal magnetic I-Line plug-in MCCB from Square D used for feeder and branch circuit protection in three-phase 600V commercial and industrial electrical distribution systems.
What is the difference between HGA36125 and HGA36060U31X?
The HGA36125 is rated at 125A with a fixed thermal magnetic trip, while the HGA36060U31X is rated at 60A with an adjustable solid-state electronic trip unit. Both are Square D HG-frame, 600V I-Line plug-in MCCBs, but they differ in amperage, trip type, and adjustability.
Is the HGA36125 in stock?
Yes. Alpha Brokers & Controls stocks the Square D HGA36125 and ships quickly. Contact us for current availability and pricing.