KMF370A – Alpha 3 | EMI-RFI Filter, 70AMP, 480VAC 3PH

$466.21 CAD

The Alpha 3 KMF370A is a high-performance 70A three-phase EMI/RFI mains filter rated for 400/480 VAC. Designed for industrial 3-phase systems, it provides reliable panel-mount noise suppression with 50/60 Hz compatibility and full compliance with EN, UL, and cUL standards.

10 in stock (can be backordered)

SKU: KMF370A Category:

Description

The Alpha 3 KMF370A is a high-performance three-phase EMI/RFI mains filter engineered for demanding heavy-duty industrial applications. Delivering 70 Amps of continuous current capacity at 400 and 480 VAC, it provides exceptional electromagnetic interference suppression for 3-phase machinery, motor drives, and industrial power distribution systems operating at 50 and 60 Hz.

Built to rigorous European and North American standards, the KMF370A features a reliable panel-mount construction designed to seamlessly integrate into standard electrical enclosures. With a 135% overload capacity for 2 hours and minimal earth leakage, it ensures optimal signal integrity, system safety, and compliance with strict industrial EMC requirements.

Key Features

  • High-Performance 3-Phase Filtering: Engineered specifically for 3-phase power systems operating at 400 and 480 VAC.
  • 70A Continuous Amperage: Provides high-capacity current handling for industrial control panels and heavy-duty motor setups.
  • Frequency Compatibility: Fully optimized for both 50 Hz and 60 Hz power supplies.
  • Robust Overload Capacity: Supports 135% overload for up to 2 hours for enhanced operational durability under heavy loads.
  • Industrial Compliance Standards: Built to rigorous EN, UL, and cUL safety and performance requirements.
  • Panel-Mount Construction: Robust chassis-mount design integrates smoothly into standard industrial enclosures.

Specifications

Technical Specification Detail
Product Model KMF370A
Brand / Manufacturer Alpha 3 Manufacturing
Product Type 3-Phase EMI/RFI Mains Filter
Voltage Rating 400 / 480 VAC
Current Rating (UL) 70 Amps
Power Supply Frequency 50 / 60 Hz
Number of Input Phases 3-Phase
Overload Capacity 135% for 2 hours
Max Ambient Temperature 40°C
Earth Leakage Current 3 mA
Compliance Standards EN 60939 (EU), UL 1283 (UL), CSA 22.2 (cUL)
Mounting Type Panel Mount

 

Weight 8.49 lbs
Dimensions 5 × 5 × 5 in

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