I
Operating Instructions
C.T. Operated Bimetal Relay with single phasing protection feature
Type 3UA62 30
Warning:
Hazardous Voltage can cause Electric Shock and burns.
Disconnect Power before proceeding with any work on this equipment
Table 1 Type
Min Setting AMP
3UA62 30
85 115 160 200 250
Max. Setting AMP
135 180 250 320 400
Fuse rating type 3NA1 AMP
224 250 355 400 500
Load current corresponding to marking 0.625/0.63 0.7 0.8
AMP
0.9
1.0
85 94.5 108 121.5 135
115 126 144 162 180
160 175 200 225 250
200 224 256 288 320
250 280 320 360 400
The Siemens 3UA62 30 current transformer operated bi-relays provide accurate overload and accelerated single phasing protection for three phase motors having rated currents upto 400A.