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3UA Thermal Overload Relay
3UA Thermal Overload Relay
Offer Type:
Offer Group: AC Contactor with CE
Offer Post Time: 2010-01-08
Expiration Date: 2010-11-26
Details: Application:
3UA series thermal overload relay is suitable for using in power system with AC 50/60Hz, rated operation voltage up to 660V and 1000V, 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 overleapping arrangement, for easy selecting by the customers from -25 to +55 air temperature 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 IEC60947-5.

Specifications:
TypeRated operating current (A)Rated insulation voltage (V)Current setting range (A)
3UA5012.56600.1 0.16, 0.16 0.25, 0.25 0.4, 0.32 0.63,
0.63 1.0, 0.8 1.25, 1.0 1.6, 1.25 2.0,
1.6 2.5, 2.0 3.2, 2.5 4.0, 3.2 5.0,
4.0 6.3, 5.0 8.0, 6.3 10.0, 8.0 12.5
3UA52256600.1 0.16, 0.16 0.25, 0.25 0.4, 0.4 0.63,
0.63 1.0, 0.8 1.25, 1.0 1.6, 1.25 2.0,
1.6 2.5, 2.0 3.2, 2.5 4.0, 3.2 5.0,
4.0 6.3, 5.0 8.0, 6.3 10.0, 8.0 12.5,
10.0 16.0, 12.5 20.0, 16.0 25.0
3UA54326604.0 6.3, 6.3 10.0, 10.0 16.0, 12.5 20.0,
16.0 25.0, 20.0 32.0, 25.0 36.0
3UA5880100016.0 25.0, 20.0 32.0, 25.0 40.0, 32.0 50.0,
40.0 57.0, 50.0 63.0, 57.0 70.0, 63.0 80.0
3UA59636600.1 0.16, 0.16 0.25, 0.25 0.4, 0.4 0.63,
0.63 1.0, 0.8 1.25, 1.0 .6, 1.25 2.0,
1.6 2.5, 2.0 3.2, 2.5 4.0, 3.2 5.0,
4.0 6.3, 5.0 8.0, 6.3 10.0, 8.0 12.5,
10.0 16.0, 12.5 20.0, 16.0 25.0, 20.0 32.0,
25.0 40.0, 32.0 45.0, 40.0 57.0, 50.0 63.0
3UA6218066055.0 80.0, 63.0 90.0,
80.0 110.0, 90.0 120.0,
110.0 35.0, 120.0 150.0,
135.0 160.0, 150.0 180.0
3UA66400100080.0 125.0, 125.0 200.0,
180.0 250.0, 200.0 320.0,
250.0 400.0
3UA686301000320.0 500.0, 400.0 630.0
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