WRN Series

Description

• The WRN-22 relay is an earth leakage relay with a built-in earth leakage transformer, with a diameter Ø 22 mm
• DIN 46277 Symmetrical profile coupling (EN 50022)
• The leakage is detected by means of sampling the earth leakage intensity and calculating its true root mean square (TRMS)
• Detection of the presence of voltage with LEDs
• TEST button.