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YCR7 series thermal overload relay
YCR7 series thermal overload relay (hereinafter referred to as thermal relay) is mainly used in circuits with AC 50Hz, rated working voltage of 380V a
Product details
Product model and meaning
operational condition
● Altitude not exceeding 2000m;
The ambient air temperature shall not be higher than+40 ℃ and not lower than -5 ℃; The average value over 24 hours shall not exceed 35 ℃;
The relative humidity of the atmosphere shall not exceed 50% when the highest temperature around is+40 ℃; At lower temperatures, there can be higher relative humidity. When the monthly average temperature of the wettest month is+25 ℃, the maximum monthly average relative humidity is 90%, taking into account the condensation that occurs on the surface of the product due to temperature changes;
Installation conditions: The inclination of the vertical installation surface shall not exceed 5 °;
Pollution level: Level 3;
Installation category: Class III.
Main technical parameters
Basic parameters
Main circuit:
a. Rated working voltage: AC 380V
b. Rated frequency: 50Hz
Auxiliary circuit:
a. Rated insulation voltage: AC 380V
b. Rated frequency: 50Hz
c. Usage category: Rated working voltage, rated working current, and agreed heating current:
Main specifications
Model and specifications of thermal relay, setting current regulation range, compatible AC contactor model and ordering code:
Appearance and installation dimensions
PDF Data
YCR7 series thermal overload relay
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