The Siemens ND63B0800 is a 800-amp, 3-pole, 600V N-Frame (ND) molded case circuit breaker from the Sentron Series. The ND frame is a 1200-amp frame covering 800 to 1200 amps, featuring an interchangeable thermal-magnetic trip unit with 25kAIC interrupting rating at 600V and 65kAIC at 240V. The ND63B0800 ships assembled with aluminum/copper lugs and is used as a main breaker or large feeder protection device in industrial switchboards, service entrance equipment, and main distribution panels. It is compatible with Siemens NEMA-type switchboards and is a direct replacement for legacy ITE ND units.
| Specification | Value |
|---|---|
| Amperage | 800A |
| Poles | 3 |
| Voltage | 240/480/600VAC |
| Interrupt Rating | 65kA @ 240V · 35kA @ 480V · 25kA @ 600V |
| Frame Size | N-Frame (1200A Frame) |
| Mounting Type | Bolt-On |
| Trip Type | Thermal Magnetic |
| Trip Function | LI — Long-Time, Instantaneous |
| Wire Size | 2×500–750 kcmil per phase (Cu/Al) |
| Phase | 3-Phase |
| Standards | UL 489, CSA C22.2 No.5 |
| Temperature Rating | -25°C to 70°C |
Replaces: ITE ND63B0800
Siemens ND N-Frame 800A 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: ND N-Frame | Catalog Number: ND63B0800
ND63B1000 - Siemens ND N-Frame | ND63B1200 - Siemens ND N-Frame