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Siemens SENTRON JD63F400

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JD63F400

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Siemens' JD63F400 is a molded case circuit breaker belonging to the SENTRON series. This device is specified for a rated current of 400 A and is constructed with a JD frame type, facilitating its robust operation in electrical systems.

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Technical specifications for JD63F400

ManufacturerSiemens
Product TypeSentron MCCB (Molded Case Circuit Breaker)
Product LineSENTRON
Part NumberJD63F400
Weight16.31 lbs (7.40 kg)
UPC783643213234
Frame TypeJD Frame
Rated Current400 A
Number of Poles3 Poles
Rated Voltage (AC)600 V AC, 50/60 Hz
Rated Voltage (DC)500 V DC
Interrupting Rating- 240 V AC: 65 kA
Trip Unit TypeFixed Thermal / Adjustable Magnetic
Wire Range (Copper)3/0 AWG – 500 kcmil
Connection TypeBolt-on
Wire Range (Aluminum)4/0 AWG – 500 kcmil
Standards ComplianceUL 489 / IEC 60947-2

The JD63F400 from Siemens is a molded case circuit breaker (MCCB) in the SENTRON product line designed for substantial electrical loads. This model supports a rated current of 400 A and is built with a durable JD frame type. It contains three poles, accommodating high-performance applications in both residential and commercial settings. The breaker operates effectively at rated voltages of 600 V AC, with performance aligned to either 50 Hz or 60 Hz standards, along with a DC voltage rating of 500 V.

The interrupting capability of the JD63F400 is crucial for the protection of electrical circuits. It offers impressive interrupting ratings, which are 65 kA at 240 V AC, 35 kA at 480 V AC, and 25 kA at 600 V AC. This feature contributes extensively to ensuring system safety during fault conditions. In terms of trip unit functionality, it utilizes a fixed thermal and adjustable magnetic trip mechanism, allowing for reliable operation under varying load conditions.

For proper installation, the unit can accommodate wire ranges of 3/0 AWG to 500 kcmil for copper conductors and 4/0 AWG to 500 kcmil for aluminum conductors, utilizing a bolt-on connection type for secure wiring. This model complies with critical standards such as UL 489 and IEC 60947-2, guaranteeing its reliability and safety in electrical distribution systems.