Siemens JXD63B300 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kA@480 V – Bolt-On – SENTRON Series

The Siemens JXD63B300 is a 300 Amp, 3-pole molded case circuit breaker from the Siemens SENTRON Series, Type JXD. It is rated for 600 V with a 35 kA interrupting rating at 480 V and features thermal-magnetic protection with a non-interchangeable trip unit. The breaker is designed for 40°C applications, bolt-on mounting, and does not include lugs.

Specifications

• Manufacturer: Siemens
• Brand: Siemens
• Product Type: Molded Case Circuit Breaker
• Series: SENTRON
• Type: JXD
• Catalog Number / MPN: JXD63B300
• Primary Rating: 300 Amp
• Poles / Configuration: 3 Pole
• Phase: 3 Phase
• Voltage: 600 V
• Interrupting Rating: 35 kA @ 480 V
• Interrupting Capacity: Standard
• Trip Type: Thermal-Magnetic
• Trip Unit: Non-Interchangeable
• Ambient Temperature Rating: 40°C
• Connection / Mounting: Bolt-On
• Terminals: Lugs Not Included

Part Numbers & Identification

• Manufacturer: Siemens
• Brand: Siemens
• Catalog Number: JXD63B300
• Series: SENTRON
• Type: JXD
• Current Rating: 300 A
• Pole Count: 3 Pole
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
• Trip Unit: Non-Interchangeable
• Terminals: Lugs Not Included
• UPC: 783643213074

Compatibility

The Siemens JXD63B300 is designed for compatible Siemens SENTRON Type JXD molded case circuit breaker applications. Verify the specific panelboard or switchboard, system voltage, mounting configuration, terminal requirements, and breaker compatibility before installation.

Returns are easy

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

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