Siemens - FXD63B250 250A 3-Pole 600V Bolt-On Molded Case Circuit Breaker
Siemens - FXD63B250 250A 3-Pole 600V Bolt-On Molded Case Circuit Breaker
Product images are representative only. Actual product may vary.
The Siemens FXD63B250 is a 3-pole, 250-amp thermal magnetic molded case circuit breaker (MCCB) rated for 600VAC with bolt-on mounting. Engineered for industrial and commercial three-phase power distribution, this FXD-frame breaker delivers high-capacity overload and short-circuit protection for large feeder and main circuits. Its robust bolt-on design ensures a secure, vibration-resistant installation in compatible Siemens panelboards and switchboards.
Specifications
| Attribute | Value |
|---|---|
| Part Number | FXD63B250 |
| Manufacturer | Siemens |
| Amperage Rating | 250A |
| Voltage Rating | 600VAC |
| Number of Poles | 3 |
| Trip Type | Thermal Magnetic |
| Mount Type | Bolt-On |
| Interrupting Rating | 65kA @ 240V / 35kA @ 600V |
| Standard | UL 489 Listed |
| Frame Series | FXD6 |
Key Features
- Bolt-on design for secure installation in Siemens FXD-frame compatible panelboards
- Thermal magnetic trip for reliable overload and instantaneous short-circuit protection
- 250A high-capacity rating for large feeder and main circuit protection
- 3-pole for three-phase 600V industrial distribution systems
- High interrupting capacity for demanding industrial environments
- UL 489 Listed, NEC compliant
Common Applications
- 250A feeder and main circuit protection in industrial 600V panelboards
- Large motor control center (MCC) feeder protection
- Heavy manufacturing and process plant main distribution
- Industrial switchboard sub-main and feeder circuit breakers
- Utility and process industry 250A power distribution
Frequently Asked Questions
What is the Siemens FXD63B250?
The Siemens FXD63B250 is a 250-amp, 3-pole, 600V thermal magnetic bolt-on MCCB used as a main or feeder circuit breaker in heavy industrial and commercial three-phase 600V electrical distribution systems.
What panelboards are compatible with the FXD63B250?
The FXD63B250 uses bolt-on mounting and is compatible with Siemens FXD6-frame panelboards and switchboards. Always verify frame and bus compatibility with your specific equipment before installation.
Is the FXD63B250 in stock?
Yes. Alpha Brokers & Controls stocks the Siemens FXD63B250 in new condition. Contact us for current pricing and availability.