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JRS1 Series Thermal Over-load Relay

JRS1 Series Thermal Over-load Relay
3Pages

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Series Thermal Over-load Relay Usage and its scope of application JRS1 series thermal over-load relay is suitable for the circuit of AC50~60Hz, rated operating voltage Ue: 380V, rated current 0.1~80A, as the use of over-load and break phase protection for AC motor. Thermal relay is with reasonable structure, has setting current adjusting device, manual reset device, stop device, temperature compensation device, as well as protective structure that protect the hands from electric shock. This product confirms to: GB14048.4, IEC60947-4-1 etc. standards Installation mode (Z for combined type, F for separated type Code for basic specification (to be indicated as rated current A) Design serial No. Three phase type Thermal Over-load Relay Normal operating condition and installation condition 3.1 Ambient temperature: -5 ~+40 , and the average value within 24h does not exceed +35 3.2 Altitude of the installation place does not exceed 2000m; 3.3 Atmosphere condition: The relative humidity does not exceed 50% when it is at +40 relatively high humidity at the relatively low temperature, for example, the relative humidity reaches 90% when +20 , and it should take special measurements when there produced the condensation on the product due to the temperature variation. 3.4 It should be at the no explosion danger medium, and the medium without the gas that cannot corrode the metal and damage the insulation as well as the places that without conductive dust. 3.5 Grade of pollution: 3 3.6 Installation category: III 3.7 Installation position: installed at the normal position, the gradient between the installation side and the vertical side does not exceed ±5°, and without obvious vibration and impact. 3.8 Protection grade: IP 00 Main technique paramter 4.1 Setting current adjusting scope for thermal parts of thermal relay, suited AC contactor and the suited fuse type to see table 1

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Series Thermal Over-load Relay 4.4 Usage category, rated operating voltage, setting thermal current and rated operating current of auxiliary circuit to see table 4 Usage category Rated operating voltage Ue (V) Rated operating current Ie (A) Setting thermal current Ith (A) 4.5 Action characteristics curve of thermal relay to see map 2 Time H Thermal Cool A. Three phase balance, unbalance, starting by cool status; B. Three phase balance, break phase, starting by thermal status Multiple of setting current Map 2 Action scope curve External and installation dimension External and installation...

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JRS1 Series Thermal Over-load Relay 3Pages

Catalog excerpts

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JRS1 Series Thermal Over-load Relay
3Pages