Voltage measurement range
120
Voltage measurement range
277
Phase sequence monitoring
No
Phase failure monitoring
Yes
Function under voltage detection
Yes
Function over voltage detection
Yes
Phase imbalance monitoring
No
Type of electric connection
Screw connection
Rated control supply voltage Us at AC 50HZ
120
Rated control supply voltage Us at AC 50HZ
277
Rated control supply voltage Us at AC 60HZ
120
Rated control supply voltage Us at AC 60HZ
277
Max. permitted delay-on energization time
0.65
Min. adjustable delay-on energization time
0
Max. permitted off-delay time
30
Min. adjustable off-delay time
0.3
Voltage type for actuating
AC
Number of contacts as normally closed contact
0
Number of contacts as normally open contact
0
Number of contacts as change-over contact
2