Siemens 3KE4430-0BA breaker

Siemens 3KE4430-0BA Circuit Breaker Overview

The Siemens 3KE4430-0BA is a compact circuit breaker belonging to the Siemens 3KE series. These circuit breakers are designed to protect electrical circuits from overload and short-circuit faults and are widely used in industrial, commercial, and infrastructure applications.

Product Detailed Description

• Function:

• Protects electrical circuits and equipment from overcurrent caused by overload.

• Protects electrical circuits and equipment from high current caused by short-circuit faults.

• Provides a manual means to switch the circuit on and off.

• Some models may have a fault tripping indication function.

• Features:

• Compact design, saving installation space.

• Fixed mounting.

• Thermal-magnetic trip unit, providing overload and short-circuit protection.

• Fixed rated current.

• Complies with IEC 60947-2 standard.

Product Parameters

Based on search results, here are the key parameters for the Siemens 3KE4430-0BA circuit breaker:

• Rated Current (In):

• 30 A

• Number of Poles:

• 3 Pole (3P)

• Rated Operating Voltage (Ue):

• 400 V AC

• Rated Insulation Voltage (Ui):

• 690 V AC

• Rated Impulse Withstand Voltage (Uimp):

• 6 kV

• Ultimate Short-Circuit Breaking Capacity (Icu):

• 25 kA (at 400 V AC)

• Service Short-Circuit Breaking Capacity (Ics):

• 12.5 kA (at 400 V AC)

• Trip Unit Type:

• Thermal-magnetic

• Mounting Type:

• Fixed mounting

• Connection Type:

• Screw terminals

• Standards Compliance:

• IEC 60947-2

• Dimensions (W x H x D):

• 76 mm x 90 mm x 70 mm (may vary slightly depending on the source)

Product Advantages

• Reliable Protection:

• The thermal-magnetic trip unit provides reliable overload and short-circuit protection, ensuring the safe operation of electrical systems.

• Compact Design:

• Saves installation space, suitable for applications with limited space.

• Easy Installation:

• Fixed mounting and screw terminals facilitate easy installation.

• Compliance with International Standards:

• Complies with IEC 60947-2 standard, ensuring product quality and performance.

• Cost-Effective:

• As a standard circuit breaker, it offers good value for money.

Precautions

• Correct Selection:

• Select the appropriate circuit breaker based on the rated current and potential short-circuit current of the circuit.

• Ensure the rated voltage of the circuit breaker is higher than or equal to the maximum operating voltage of the circuit.

• Correct Installation:

• Follow Siemens' installation guidelines, ensuring the circuit breaker is securely mounted and the wiring is correct.

• Use appropriate cables and terminals.

• Safe Operation:

• Always disconnect the power supply before performing installation, maintenance, or operation.

• Do not attempt to repair damaged circuit breakers; replace them promptly.

• Regular Inspection:

• Regularly inspect the circuit breaker for any signs of damage or abnormalities.

• After a short-circuit or overload trip, identify the cause and eliminate the fault before reclosing the circuit breaker.

Product Applications

The Siemens 3KE4430-0BA circuit breaker is widely used in the following areas:

• Industrial Power Distribution:

• Protection of electrical circuits for industrial equipment and machinery.

• Commercial Buildings:

• Protection of circuits for lighting, sockets, and other electrical equipment.

• Infrastructure:

• Used in distribution boards and control cabinets.

• OEM Applications:

• Integrated into various machines and equipment as a circuit protection component.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapor

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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