JXD63B350 | Siemens Sentron Series Circuit Breaker 350A 3-Pole 600V JD Frame

Siemens · Circuit Breakers & Protection

JXD63B350 | Siemens Sentron Series Circuit Breaker 350A 3-Pole 600V JD Frame

Description  The Siemens JXD63B350 is a Sentron Series molded case circuit breaker rated at 350A and 600V. Built on the JD frame, it provides three-pole thermal-magnetic protection with long-time and instantaneous trip functions for secure power distribution.     Technical Specifications  Condition New/Never Used Surplus Brand Siemens Category Circuit Breakers Part Number JXD63B350 Subcategory Molded Case Series Sentron Frame Type JD Frame Type JXD Series Voltage Rating 600 VAC Amperage Rating 350 A Poles 3 Phase 3 Protection Thermal Magnetic Functions LI – Long-Time and Instantaneous Connection Type Bolt-On Interrupting Rating 25 kAIC @ 600V, 35 kAIC @ 480V Temperature Rating 40 °C Approval UL, IEC Standards RoHS compliant Dimensions (L x W x H) 4" x 7.5" x 11" Application Industrial and commercial power systems Weight 22 lbs     Information About JXD63B350 The JXD63B350 is a Siemens Sentron Series molded case circuit breaker designed to deliver dependable protection for medium-voltage three-phase electrical systems. With a 350A current rating and 600V operating capacity, it supports demanding loads while maintaining safe performance. The JD frame breaker features thermal-magnetic protection, offering both overload and short-circuit defense with long-time and instantaneous trip functionality. Its bolt-on design ensures secure installation in distribution panels, making it a reliable choice for industrial and commercial power networks. Key Features: High Current Rating: Provides 350A continuous duty capacity, supporting medium to large electrical loads. Voltage Capacity: Operates at up to 600 VAC, making it suitable for a wide range of power distribution applications. Three-Pole Protection: Delivers balanced safety coverage across three-phase systems, ensuring full system protection. Thermal-Magnetic Trip: Combines long-time overload protection with instantaneous short-circuit response for reliable safety. Interrupting Rating: Rated at 25kA at 600V and 35kA at 480V, enabling effective fault current clearing. JD Frame Construction: Built on the Siemens JD frame, ensuring proven reliability and compatibility with Sentron systems. Bolt-On Connection: Provides a secure mounting method for stability in panelboards and switchgear. Compliance: UL listed, IEC approved, and RoHS compliant, meeting global safety and environmental standards. Rugged Design: Engineered to withstand demanding operating environments with a 40 °C temperature rating. Dimensions & Weight: Sized at 4" x 7.5" x 11" and weighing 22 lbs, designed for durability and manageable installation. The JXD63B350 delivers the reliability and precision required for safe, efficient, and long-term power distribution in industrial and commercial installations.

Brand: Siemens · Category: Circuit Breakers & Protection

Key features

Specifications

Manufacturer part numberJXD63B350
ConditionNew/Never Used Surplus
BrandSiemens
CategoryCircuit Breakers
Part NumberJXD63B350
SubcategoryMolded Case
SeriesSentron
Frame TypeJD Frame
TypeJXD Series
Voltage Rating600 VAC
Amperage Rating350 A
Poles3
Phase3
ProtectionThermal Magnetic
FunctionsLI – Long-Time and Instantaneous
Connection TypeBolt-On
Interrupting Rating25 kAIC @ 600V, 35 kAIC @ 480V
Temperature Rating40 °C
ApprovalUL, IEC
StandardsRoHS compliant
Dimensions (L x W x H)4" x 7.5" x 11"
ApplicationIndustrial and commercial power systems
Weight22 lbs
Product typeMolded Case

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