Introduction

The Allen Bradley 22-RF018-CS PowerFlex Class 4 EMC Line Filter provides high-performance EMI suppression for medium-to-high current PowerFlex drive installations. Its robust design ensures compliance with Class 4 electromagnetic compatibility standards while protecting sensitive industrial electronics.

Ideal for OEMs, system integrators, and maintenance teams, this filter simplifies EMC compliance, enhances system reliability, and reduces the risk of electrical noise affecting drive and control performance. Its compact form and industrial-grade construction make it a practical solution for both new installations and retrofits.

Technical Specifications

Feature	Specification
Model	22-RF018-CS
Product Type	Class 4 EMC Line Filter
Compatible Series	PowerFlex 4 / 40 / 40P / 400
Input Voltage	200–240V AC
Rated Current	18 A
Dimensions (L × W × H)	309 × 60 × 130 mm
Weight	1.5 kg (3.31 lb)
EMC Class	Class 4
Mounting Type	Panel Mount
Operating Temperature	0–50°C (32–122°F)

Applications

The 22-RF018-CS PowerFlex Class 4 EMC Line Filter is designed for industrial AC drive systems that require reliable suppression of electromagnetic interference (EMI). Key applications include:

Medium-to-large PowerFlex drive installations in manufacturing and processing lines
HVAC systems and industrial pumping stations
Automation panels in compliance-sensitive production environments
Retrofit projects where EMI reduction is required for existing drives
OEM machinery where stable motor operation is essential

By reducing electrical noise, this filter protects sensitive electronics, ensuring operational stability and compliance with industrial EMC standards.

Advantages

Industrial-Grade EMI Suppression: Meets Class 4 standards for optimal noise reduction
High-Capacity Design: Supports higher current loads than smaller filters without compromising performance
Compact and Robust: 309 × 60 × 130 mm footprint fits into most control panels with space efficiency
Improved Drive Longevity: Minimizes electrical stress on connected drives, enhancing reliability
Simple Installation: Panel mounting with standard brackets ensures fast integration
Cost-Effective EMC Compliance: Reduces interference without the need for additional shielding or redesign

Technical FAQs

What is the main purpose of the 22-RF018-CS?
It suppresses conducted and radiated EMI in AC drive systems to meet Class 4 standards.
Which PowerFlex drives are compatible?
Designed for PowerFlex 4, 40, 40P, and 400 series drives.
What is the rated input voltage?
200–240V AC.
Does it support three-phase drives?
Yes, suitable for 3-phase AC motor systems.
Is this filter suitable for retrofits?
Yes, it is commonly used to upgrade existing drives to meet EMC standards.
Does it require maintenance?
No, the filter is maintenance-free under normal operating conditions.
What EMC class does it meet?
Class 4, suitable for industrial-level applications.
What is the installation method?
Panel mounting with included brackets and terminal connections.
Is it safe for high-temperature environments?
Rated for operation up to 50°C (122°F).
Does it interfere with normal drive operation?
No, it operates passively and does not affect motor performance.