CW4B-20A-S 3-Phase EMI Power Line Filter 20A 380V

CW4B-20A-S 3-Phase EMI Power Line Filter 20A 380V

The CW4B-20A-S is a three-phase EMI/RFI power line filter designed to reduce electrical noise and electromagnetic interference in industrial equipment. It is especially useful in CNC machines, VFD systems, servo drives and automation cabinets where switching devices can generate interference that affects controllers, sensors and communication signals.

Key Features

• Three-phase EMI/RFI power line filter
• Rated current: 20A
• Designed for 380V-class industrial power systems
• 6-terminal stud connection
• Metal shielding enclosure
• Helps suppress high-frequency electrical noise
• Reduces conducted electromagnetic interference
• Improves power-line cleanliness for sensitive control electronics
• Suitable for VFD, servo and CNC control cabinets
• Compact panel-mount design

Technical Specifications

• Model: CW4B-20A-S
• Product Type: EMI / RFI Power Line Filter
• Phase: 3 Phase
• Rated Current: 20A
• Rated Voltage: 380V class
• Connection Type: 6 Stud Terminals
• Housing: Metal
• Mounting Type: Panel / Chassis Mount
• Application: Industrial Power Noise Suppression

Applications
Suitable for:

• CNC machines
• VFD / inverter systems
• Servo drive systems
• Industrial automation cabinets
• Motor control systems
• Plasma and laser cutting machines
• Sensitive electronic control equipment

Installation Note
Install the filter close to the equipment power input for best interference suppression. Keep input and output wiring separated as much as possible, and ensure proper grounding of the metal housing.

Safety Note
This product is intended for industrial mains-voltage applications. Installation should be carried out by qualified personnel with the power fully disconnected.

Package Contents

• 1 × CW4B-20A-S 3-Phase EMI Power Line Filter