JD63F400 | Siemens Circuit Breaker 400A 3-Pole 600V Sentron Series

Siemens · Circuit Breakers & Protection

Description  The Siemens JD63F400 is a molded case circuit breaker from the Sentron Series, designed for heavy-duty three-phase applications. Rated at 400 amps and 600 volts, this 3-pole breaker features thermal-magnetic protection with long-time and instantaneous trip functions.     Technical Specifications  Condition New/Never Used Surplus Brand Siemens Breakers Category Circuit Breakers Part Number JD63F400 Subcategory Molded Case / 3-Pole Family Sentron Series Frame Type JD Frame Type JD Voltage Rating 600 VAC Amperage Rating 400 A Poles 3 Phase 3 Protection Thermal Magnetic Functions LI – Long-Time and Instantaneous Connection Bolt-On AIC Ratings 35 kA @ 480V Application Commercial and industrial power systems Dimensions (H x W x D) 7.5" x 11" x 4" Weight 2.15 lbs   Information About JD63F400 The JD63F400 is a Siemens molded case circuit breaker from the Sentron Series, offering reliable performance for low-voltage three-phase electrical systems. Built on the JD frame, it delivers a current capacity of 400A and operates at up to 600V. The breaker employs a thermal-magnetic trip mechanism with LI protection, ensuring both overload and short-circuit safeguarding. Its bolt-on connection and compact dimensions make it practical for integration into panelboards and distribution systems requiring standard breaking capacity. Key Features: Current Rating: Provides 400 amps of continuous duty operation, supporting large-scale commercial and industrial loads without performance degradation. Voltage Rating: Handles up to 600 VAC, making it suitable for heavy-duty low-voltage distribution systems. Three-Pole Protection: Covers all three phases of a power system, ensuring balanced electrical distribution and complete fault protection. Trip Mechanism: Uses a thermal-magnetic trip unit with long-time and instantaneous functions for both overload and short-circuit conditions. Interrupting Capacity: Rated at 35 kAIC at 480V, providing strong fault-clearing ability to protect downstream equipment. Frame Design: Built on the JD frame for standard breaking capacity, combining durability with proven Siemens reliability. Bolt-On Connection: Ensures secure installation in panelboards and switchgear, reducing vibration risks and ensuring stable operation. Compact Dimensions: At 7.5" x 11" x 4", it conserves panel space while delivering full-rated protection. Lightweight Construction: Weighing only 2.15 lbs, it simplifies handling, mounting, and maintenance. The JD63F400 delivers the reliability and precision required for secure, high-capacity power distribution across demanding commercial and industrial applications.

Brand: Siemens · Category: Circuit Breakers & Protection

Key features

• Current Rating: Provides 400 amps of continuous duty operation, supporting large-scale commercial and industrial loads without performance degradation.
• Voltage Rating: Handles up to 600 VAC, making it suitable for heavy-duty low-voltage distribution systems.
• Three-Pole Protection: Covers all three phases of a power system, ensuring balanced electrical distribution and complete fault protection.
• Trip Mechanism: Uses a thermal-magnetic trip unit with long-time and instantaneous functions for both overload and short-circuit conditions.
• Interrupting Capacity: Rated at 35 kAIC at 480V, providing strong fault-clearing ability to protect downstream equipment.
• Frame Design: Built on the JD frame for standard breaking capacity, combining durability with proven Siemens reliability.
• Bolt-On Connection: Ensures secure installation in panelboards and switchgear, reducing vibration risks and ensuring stable operation.
• Compact Dimensions: At 7.5" x 11" x 4", it conserves panel space while delivering full-rated protection.
• Lightweight Construction: Weighing only 2.15 lbs, it simplifies handling, mounting, and maintenance.

Specifications

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