FB-40250A - 250A EMC Line filter for CIMR-AC4A0208AAA, CIMR-AC4A0250AAA

Why Choose the Yaskawa FB-40250A EMC/RFI Input Filter?

The Yaskawa FB-40250A is a heavy-duty EMC/RFI input line filter designed for use with Yaskawa A1000 series inverter drives. Installed between the incoming mains supply and the drive input terminals, this filter suppresses conducted electromagnetic interference generated by variable frequency drives, helping installations meet strict electromagnetic compatibility requirements.

Variable frequency drives generate high-frequency switching noise that can propagate through the electrical supply network and interfere with nearby automation equipment. The FB-40250A attenuates these disturbances at the inverter input, improving reliability of PLCs, sensors and other electronic control devices connected to the same electrical infrastructure.

Rated for three-phase 380–480 V systems up to 250 A, this EMC filter is typically used with large A1000 inverter drives controlling motors in the region of approximately 90 kW heavy duty up to 132 kW light duty. Its robust panel-mount industrial design allows straightforward installation within electrical control cabinets and drive panels.

Key Advantages

• Reduces electromagnetic interference generated by inverter drives.
• Supports compliance with EN 55011 Class B EMC standards.
• Designed specifically for Yaskawa A1000 AC inverter drives.
• Improves reliability of PLCs and industrial control electronics.
• Suitable for high-power motor drive installations.
• Industrial panel-mount design for control cabinet integration.

Key Features

• EMC / RFI input line filter for AC inverter drives.
• Rated voltage: 380–480 V AC three-phase.
• Rated current: up to 250 A.
• Suppresses conducted electromagnetic noise from VFD switching.
• Designed for integration with Yaskawa A1000 drive systems.
• Industrial panel-mount construction.
• Supports compliance with industrial EMC regulations.

Technical Specifications

• Manufacturer: Yaskawa Electric / BLOCK
• Model: FB-40250A
• Product type: EMC / RFI input line filter
• Rated voltage: 380–480 V AC
• Input phase: Three-phase
• Rated frequency: 50 / 60 Hz
• Rated current: 250 A
• Compliance: EN 55011 Class B, EN 61800-3
• Drive compatibility: Yaskawa A1000 inverter drives
• Motor range: approx. 90 kW heavy duty to 132 kW light duty
• Ingress protection: IP00
• Operating temperature: up to 50 °C
• Cooling: Natural air convection
• Typical dimensions: approx. 155 × 220 × 525 mm
• Weight: approx. 12.4 kg
• Terminal capacity: up to 150 mm² cables

EMC Protection for Variable Frequency Drives

Variable frequency drives control motor speed using high-frequency switching electronics. These switching signals can introduce electrical noise into the supply network and disrupt nearby devices. EMC filters such as the FB-40250A attenuate this interference before it reaches the mains supply, helping installations comply with EMC regulations and ensuring stable operation of industrial automation equipment.

Installing a mains input filter is standard practice in modern automation installations where multiple drives, PLCs and control systems operate within the same electrical infrastructure.

Typical Applications

• Yaskawa A1000 inverter drive installations.
• Industrial motor control systems.
• Material handling and conveyor systems.
• Packaging and manufacturing machinery.
• Automation systems requiring EMC compliance.

Trusted by Automation Engineers

Yaskawa EMC filters such as the FB-40250A are widely used by machine builders and control panel engineers to ensure reliable, EMC-compliant inverter drive installations.