ABB 3AFE64803689 CBHX165C5R414 link charging resistor

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ABB 3AFE64803689 CBHX165C5R414

Product Name: ABB Charging Resistor / Pre-Charge Resistor
Manufacturer: ABB
Part Number: 3AFE64803689
Type Designation: CBHX165C5R414 / CBH 165 C 5R 414
Product Type: DC-Link Charging Resistor (Pre-Charge Resistor)

Product Description

The ABB 3AFE64803689 CBHX165C5R414 is a high-performance DC-link charging resistor designed for ABB industrial drive systems. It is used in the pre-charge circuit of frequency converters to limit the initial inrush current when DC bus capacitors are energized. By controlling the charging current, the resistor protects rectifier components, DC capacitors, contactors, and power electronics from excessive startup surge currents.

This resistor is typically installed in ABB drive cabinets, including applications within the ABB ACS800 series and related drive platforms.

Technical Specifications

Parameter	Description
Manufacturer	ABB
Model / Part Number	3AFE64803689
Type	CBHX165C5R414
Product Category	Charging resistor / Pre-charge resistor
Resistance Value	5 Ω
Power Rating	Approx. 414 W
Construction	Wirewound resistor with aluminum/ceramic housing
Application	DC-link pre-charging and inrush current limitation
Mounting Type	Panel / cabinet mounting
Product ID	64803689
Main Application	ABB ACS800 drive systems
Weight	Approx. 0.4 kg

Functions & Features

• DC Bus Protection: Limits charging current during drive startup to protect the DC-link capacitors and rectifier bridge.
• High Pulse Energy Capability: Designed for short-duration charging pulses during power-up sequences.
• Reliable Industrial Design: Uses a robust wirewound resistor element suitable for demanding industrial environments.
• Direct ABB Replacement Part: Provides form-fit-function replacement for original ABB drive assemblies.

Application Areas

The ABB 3AFE64803689 CBHX165C5R414 charging resistor is commonly used in:

• ABB ACS800 frequency converters
• Industrial motor drive systems
• Heavy-duty automation equipment
• Process industry drive cabinets
• Power conversion and motion control systems

Conclusion

The ABB 3AFE64803689 CBHX165C5R414 is a critical spare component for ABB drive power sections. Its main role is to ensure smooth DC-link capacitor charging and prevent excessive startup current, improving the reliability and service life of industrial AC drive systems. It is an essential maintenance spare for ABB ACS800 and similar drive installations.