The Siemens HFD63F040 is a 40-amp, 3-pole, 600V F-Frame molded case circuit breaker designed for industrial and commercial branch circuit protection. It features thermal-magnetic trip technology with LI protection and a 65kAIC interrupting rating at 480V. The HFD63F040 is 80% rated for continuous loading and HACR-rated for HVAC applications. It is compatible with Siemens NEMA-type switchboards and panelboards and is a direct replacement for legacy ITE HFD63F040 units. The F-Frame platform supports ampere ratings from 15A to 150A in a compact form factor suitable for high-density panelboard applications.
| Specification | Value |
|---|---|
| Amperage | 40A |
| Poles | 3 |
| Voltage | 240/480/600VAC |
| Interrupt Rating | 100kA @ 240V · 65kA @ 480V · 25kA @ 600V |
| Frame Size | F-Frame (250A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | #6–#2 AWG (Al/Cu) |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5, NEMA AB 1 |
| Temperature Rating | -25°C to 70°C |
Replaces: ITE HFD63F040
Siemens HFD F-Frame 40A 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: Siemens | Series: HFD F-Frame | Catalog Number: HFD63F040
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