Datasheet Summary
SIMICONT® Overload Relays
3UA7 Bimetallic Overload Relays
Selection
Ordering Information
3UA70 21 and 3UA70 11 overload relays with ᮣ Class 10 tripping characteristics ᮣ 1 NC trip contact ᮣ 1 NO isolated alarm contact ᮣ RESET-STOP button ᮣ Trip indicator ᮣ TEST button ᮣ Phase loss and unbalanced load protection
3UA70 20 and 3UA70 10 overload relays with ᮣ Class 10 tripping characteristics ᮣ Contact arrangement 1 NC ᮣ RESET-STOP button ᮣ Phase loss and unbalanced load protection ᮣ Accessories see below.
For Direct Mounting to 3TF2 and 3TD2 contactors
Illustration
Contactor Type
Setting Rangeቢ A
3UA7020
3TF2, 3TD2
0.1- 0.16 0.16- 0.25 0.25- 0.4 0.4- 0.63 0.63- 1 0.8- 1.25 1- 1.6 1.25- 2 1.6-...