The Square D JGA36400 is a 400-amp, 3-pole, 600V PowerPact J-Frame molded case circuit breaker. It features I-Line plug-in mounting for use in Square D I-Line switchboards and panelboards. With a 65kAIC interrupting rating at 480V and thermal-magnetic LI trip technology, the JGA36400 delivers reliable feeder and branch circuit protection for commercial and industrial applications. It is 80% rated for continuous loading and HACR-rated for HVAC systems.
| Specification | Value |
|---|---|
| Amperage | 400A |
| Poles | 3 |
| Voltage | 600VAC |
| Interrupt Rating | 85kA @ 240V · 65kA @ 480V · 35kA @ 600V |
| Frame Size | J-Frame (400A Frame) |
| Mounting Type | I-Line Plug-In |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 3/0–600 kcmil (Al/Cu) |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5, NEMA AB 1 |
| Temperature Rating | -25°C to 70°C |
Replaces: FA36400, JA36400, NGA36400
Square D PowerPact J-Frame 400A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.
Brand: Square D | Series: PowerPact J-Frame | Catalog Number: JGA36400
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