The Siemens LD63F125 is a 125-amp, 3-pole, 600V L-Frame molded case circuit breaker designed for industrial and commercial feeder circuit protection. It features thermal-magnetic trip technology with a 35kAIC interrupting rating at 480V. The L-Frame platform supports ampere ratings from 70A to 400A and is widely used in main distribution panels, motor control centers, and large commercial switchboards. The LD63F125 is compatible with Siemens NEMA-type switchboards and panelboards.
| Specification | Value |
|---|---|
| Amperage | 125A |
| Poles | 3 |
| Voltage | 240/480/600VAC |
| Interrupt Rating | 65kA @ 240V · 35kA @ 480V · 25kA @ 600V |
| Frame Size | L-Frame (400A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 1/0–350 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: ITE LD63F125
Siemens LD L-Frame 125A 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: LD L-Frame | Catalog Number: LD63F125
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