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The overrun relay NR 3 is an electronic timer with relay output for delayed switching on and off of secondary consumers (e.g. for fan control in bathrooms/WC, etc.). If required, the relay can also be used as a pure switch-on delay without overrun time. Due to the switchable operating modes and the running times that can be set in a wide range, the NR 3 relay can be used in many different ways, Dimensions: 18x55mm, 230V AC - 1 changeover contact (potential-free) 16A
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