CW3-20A-S Single-Phase AC EMI Line Filter, 20A, 115/250V
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Prices updated: 13 Oct 2026
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About this product
A single-phase AC mains EMI line filter rated at 20A, used to reduce electrical noise on the power line of CNC machines and 3D printers. Its metal housing has mounting holes for panel or chassis installation. It is rated for AC 115/250V at 50/60Hz.
Specifications
- Working voltage
- AC 115/250 V, 50/60 Hz
- Rated current
- 20 A
- Housing material
- Metal
- Dimensions (L x W x H)
- 6.5 x 5 x 1.8 cm
- Mounting hole spacing
- 5.3 cm
- Net weight
- 38 g
Frequently asked questions
Is this filter suitable for a 220V supply?
The listing gives a working voltage of AC 115/250V at 50/60Hz, which covers 220V mains. Confirm the filter's current rating is above your equipment's load.
Where should the filter be installed?
Mount it at the mains input of the machine, keep the input and output wiring separated, and keep the wires between the filter and the equipment short.
