Siemens JXD63B300L 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kA@480 V – Bolt-On – SENTRON Series

The Siemens JXD63B300L is a 300 Amp, 3-pole molded case circuit breaker from the Siemens SENTRON Series, Type JXD. It is rated for 600 V with interrupting ratings of 35 kA at 480 V and 25 kA at 600 V. The breaker features standard interrupting capacity, thermal-magnetic protection, and a non-interchangeable trip unit. It is designed for bolt-on mounting, with lugs not included, and is suitable for 40°C applications.

Specifications

• Manufacturer: Siemens
• Brand: Siemens
• Product Type: Molded Case Circuit Breaker
• Series: SENTRON
• Type: JXD
• Catalog Number / MPN: JXD63B300L
• Primary Rating: 300 Amp
• Poles / Configuration: 3 Pole
• Phase: 3 Phase
• Voltage: 600 V
• Interrupting Rating: 35 kA @ 480 V; 25 kA @ 600 V
• Interrupting Capacity: Standard
• Ambient Temperature Rating: 40°C
• Trip Type: Thermal-Magnetic
• Trip Unit: Non-Interchangeable
• Connection / Mounting: Bolt-On

Part Numbers & Identification

• Manufacturer: Siemens
• Brand: Siemens
• Catalog Number: JXD63B300L
• Series: SENTRON
• Type: JXD
• Current Rating: 300 A
• Pole Count: 3 Pole
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
• Trip Unit: Non-Interchangeable
• Connection: Bolt-On
• UPC: 783643009523 

Compatibility

The Siemens JXD63B300L is designed for compatible Siemens SENTRON Type JXD electrical distribution applications. Verify the specific panelboard or switchboard, system voltage, mounting configuration, terminal requirements, and breaker compatibility before installation.

Certifications

• UL Listed

Returns are easy

You may return items within 10 days of delivery for a refund.

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