LR2-D series of thermal relay can be used in the cricuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1 - 93A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation and can be pluged in LC1-D series AC contactor. At present, it is the most advanced thermal relay in the world. Rated insulation voltage 660V. Rated working current 25,36,93A separately. The regulator seal of rated setting current and setting. LR2-D13 LR2-D1301 0.1-0.16A LR2-D1302 0.16-0.25A LR2-D1303 0.25-0.40A LR2-D1304 0.40-0.63A LR2-D1305 0.63-1A LR2-D1306 1-1.6A LR2-D1307 1.6-2.5A LR2-D1308 2.5-4A LR2-D1310 4-6A LR2-D1312 5.5-8A LR2-D1314 7-10A LR2-D1316 9-13A LR2-D1321 12-18A LR2-D1322 17-25A LR2-D23 LR2-D2353 23-32A LR2-D2355 28-36A LR2-D33 LR2-D3353 23-32A LR2-D3355 30-40A LR2-D3357 37-50A LR2-D3359 48-65A LR2-D3361 55-70A LR2-D3363 63-80A LR2-D3365 80-93A 3UA thermal relay is suitable for using in power system with AC 50Hz, rated operation voltage up to 660V and 1000V, in main circuit, current from 0. 1A to 630A. It is used to protect AC three-phase asynchronous motor against overload and open-phase. The current setting value can be regulated and the setting current values of many thermal elements are intercrossing overleaping arrangement, for easy selecting by the customers from -25ºC to +55ºC air temperarature as the products have temperature compensating. The relays have the test push-button for breaking NC contacts, the operating indication and free trip characteristics. The items conform to IEC292-1, IEC337-1&VDE0660. 3UA50 Rated operating current: 12. 5A Rated insulation voltage: 660V Current setting range: 0. 1A to 12. 5A 3UA52 Rated operating current: 25A Rated insulation voltage: 660V Current setting range: 0. 1A to 25A 3UA54 Rated operating current: 32A Rated insulation voltage: 660V Current setting range: 4A to 32A 3UA58 Rated operating current: 80A Rated insulation voltage: 1000V Current setting range: 16A to 80A 3UA59 Rated operating current: 63A Rated insulation voltage: 660V Current setting range: 0. 1A to 63A 3UA62 Rated operating current: 180A Rated insulation voltage: 660V Current setting range: 55A to 180A 3UA66 Rated operating current: 400A Rated insulation voltage: 660V Current setting range: 80A to 400A 3UA68 Rated operating current: 630A Rated insulation voltage: 660V Current setting range: 320A to 630A
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