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3UA SERIES THERMAL RELAY
APPLICATIONS
3UA series thermal relay is suitable for using is power system with AC 50Hz, rated operation voltage up
to 660V and 1000V, in main circuit, current form 0.1A to 630A, It is used to protect AC three - phase
asynchronous motor against overload and open - phase. The relays have the rest push - button for
breaking NC contacts and the opertaing indication and free trip characteristics. The products also can
be supplied with protecting case to ensure safety. The produsts can be plugged in the contactor and
intalled independently or mounted by rail.
Type | Rated working current of thermal relay |
Thermal component | |||
Rated current(A) | Rated or scale of rated current(A) | ||||
LR2-D13 25 |
LR2-D1301 | 0.16 | 0.10-0.16 | ||
1302 | 0.25 | 0.16-0.25 | |||
1303 | 0.40 | 0.25-0.40 | |||
1304 | 0.63 | 0.40-6.3 | |||
1305 | 1.0 | 0.63-1.0 | |||
1306 | 1.6 | 1.0-1.6 | |||
13X6 | 2.0 | 1.25-2.0 | |||
1307 | 2.5 | 1.6-2.5 | |||
1308 | 4.0 | 2.5-4.0 | |||
1310 | 6.0 | 4.0-6.0 | |||
1312 | 8.0 | 5.5-8.0 | |||
1314 | 10.0 | 7.0-10.0 | |||
1316 | 13.0 | 9.0-13.0 | |||
1321 | 18.0 | 12.0-18.0 | |||
1322 | 25.0 | 17.0-25.0 | |||
LR2-D23 36 |
LR2-D2353 | 32 | 23.0-32.0 | ||
2355 | 36 | 28.0-36.0 | |||
LR2-D33 93 |
LR2-D3353 | 32 | 230-32.0 | ||
3355 | 40 | 30.0-40.0 | |||
3357 | 50 | 37.0-50.0 | |||
3359 | 65 | 48.0-65.0 | |||
3361 | 70 | 55.0-70.0 | |||
3363 | 80 | 63.0-80.0 | |||
3365 | 93 | 80.0-93.0 |
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