HJD63B300 - Siemens 300 Amp 600V 3 Pole HJD Frame Molded Case Circuit Breaker, Thermal Magnetic Trip, Bolt-On Mounting, 35kA Interrupt Rating

HJD63B300

HJD63B300 is a Siemens 3-pole molded case circuit breaker designed for robust electrical protection in commercial and industrial applications.

This thermal magnetic trip circuit breaker features a 300 Amp current rating, 600V AC voltage rating, and bolt-on mounting for secure installation. It is part of the Siemens Sentron JD series, offering high interrupting capacity with ratings up to 100kA at 240V, 65kA at 480V, and 35kA at 600V. The breaker is suitable for demanding environments requiring reliable overcurrent and short-circuit protection.

Key Specifications
• Part Number: HJD63B300
• Manufacturer: Siemens
• Amperage: 300A
• Voltage: 600V AC
• Poles: 3
• Mounting Type: Bolt-On
• Interrupt Rating: 100kA @ 240V, 65kA @ 480V, 35kA @ 600V
• Series/Frame: Sentron JD (HJD)
• Trip Unit: Thermal Magnetic
• Certifications: Not specified (contact for details)
• Dimensions: 7.5" W x 11" H x 5.44" D
• Weight: 20 lbs
• Wire Size: 3/0 AWG to 500 Kcmil (Lug Kit TA2J6500)

At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.

Additional Information

This item does not included Lugs. If you would like lugs please reach out to a sales rep with wiring specs and we can help you with the lugs part number.

Specifications

• Part Number: HJD63B300
• Manufacturer : Siemens
• Brand : Siemens
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : Sentron Series
• Type : HJD
• Voltage : 600
• Amperage : 300
• Phase : 3
• Poles : 3
• AIC rating : 65kA@480V
• Connection : Bolt-On
• Functions : Long Time and Instantaneous Trip
• Frame Size : JD Frame
• Temp Rating : -13–158 °F (-25–70 °C)
• Protection : Thermal Magnetic

Product Data

• UPC : 783643213395
• GTIN : 00783643213395
• Country of Origin : Mexico
• Weight : 0.022
• Wire Size : AWG 3/0 to 500KCM, Cu, AWG 4/0 to 500KCM, Al