Power entry module for Protection Class II equipment

January 03, 2017 // By Julien Happich
Schurter's 5145 power entry module is already popular for use in Protection Class I equipment, due to its circuit breaker and EMC filter functions integrated into one compact package.

The Protection Class II version is suited for medical equipment used at home according to the IEC standard 60601-1-11. Protection Class II equipment, in contrast to Protection Class I equipment, generally has no metal case. This category of equipment is called double insulated, and requires higher safety levels for energized components relative to exposed surfaces. The 5145 Class II power entry module provides double insulation between energized components and exposed parts. This reinforced insulation is tested with a voltage of 4000 VDC between the energized conductor (L) and the neutral conductor (N) relative to the filter case. The EMC filter is available in medical and low leakage, M5, versions. This integrated filter at the power input provides highly effective interference suppression, which results in optimized electromagnetic compatibility. Current ratings range from 1-10 A at 250 VAC. Versions with quick-connect or solder terminals are available.
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