Description
The Siemens HJXD63B250 is a Sentron series molded case circuit breaker designed for dependable overcurrent protection in industrial and commercial electrical systems. Siemens HJXD63B250 utilizes a thermal magnetic trip unit to provide precise long-time and instantaneous protection. It is engineered for 250-amp applications requiring robust performance and reliable fault interruption.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breaker |
| Part Number |
HJXD63B250 |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
Sentron Series |
| Frame Type |
FXD / JD Frame |
| Amperage Rating |
250 A |
| Voltage Rating |
600 VAC |
| Number of Poles |
3 |
| Trip Type |
Thermal Magnetic (Long-Time & Instantaneous) |
| Interrupt Rating |
22 kA @ 600V / 35 kA @ 480V |
| AIC Rating |
65 kA @ 480V |
| Connection Type |
Bolt-On |
| Operating Temperature |
40°C standard |
| Temperature Range |
-25°C to 70°C |
| Standards |
UL Listed, IEC, RoHS Compliant |
| Country of Origin |
Mexico |
| Dimensions |
9.5 x 4.5 x 4 in |
| Weight |
18.301 lb |
Information About HJXD63B250
The HJXD63B250 is part of the Siemens Sentron FXD/JD frame family, built for low-voltage power distribution and protection. It features a three-pole configuration and supports up to 600 VAC, making it suitable for three-phase systems in industrial environments. This breaker incorporates a thermal magnetic trip mechanism that ensures both overload and short-circuit protection with consistent accuracy. Designed with bolt-on mounting, it integrates seamlessly into panelboards and switchgear assemblies, supporting efficient installation and system compatibility.
Key Features:
- Thermal Magnetic Trip Unit: Provides long-time and instantaneous protection for reliable fault response.
- 250 Amp Rating: Designed for medium-capacity industrial and commercial power distribution systems.
- High Voltage Capability: Rated for up to 600 VAC in demanding applications.
- Interrupting Capacity: Handles 22 kA at 600V and 35 kA at 480V for effective fault clearing.
- Three-Pole Configuration: Ensures balanced protection in three-phase electrical systems.
- Bolt-On Mounting: Enables secure installation in panelboards and switchgear.
- Reverse Feed Rated: UL listed for reverse-fed applications, enhancing installation flexibility.
- Sentron Series Design: Offers proven Siemens reliability and compatibility across systems.
The HJXD63B250 delivers the reliability and precision required for efficient circuit protection in industrial and commercial power distribution systems.
