Siemens 3UG45121AR20 Network relay voltage monitor 0.1-60 V AC/DC

The Siemens 3UG4512-1AR20 network monitor is an electronic relay designed to supervise grid voltage and frequency. It features adjustable thresholds and time delays to ensure precise and reliable monitoring. This device is typically used in industrial and commercial settings to safeguard electrical networks against potential disruptions.

Type	Network monitor
Depth	91mm
Dim	(L x W x H) 91 x 22.5 x 83 mm
External power supply required	N/A
Function overvoltage detection	FALSE
Function under voltage detection	FALSE
Height	83mm
Length	91mm
Max. permitted delay-on energization time	N/A
Max. permitted off-delay time	N/A
Min. adjustable delay-on energization time	N/A
Min. adjustable off-delay time	N/A
Misc Attribute	3UG4512-1AR20
Number of contacts as change-over contact	1
Number of contacts as normally closed contact	0
Number of contacts as normally open contact	0
Operating Voltage	690V
Operating voltage AC 50 Hz	N/A
Operating voltage AC 60 Hz	N/A
Operating voltage DC	N/A
Phase failure detection	TRUE
Phase imbalance monitoring	FALSE
Phase sequence monitoring	TRUE
Rated switch current	N/A
Supply voltage AC 50 Hz	N/A
Supply voltage AC 60 Hz	N/A
Supply voltage DC	N/A
Type of electric connection	Screw connection
Voltage measuring range	160 - 690V
Voltage type (operating voltage)	N/A
Voltage type (supply voltage)	AC
Voltage type for actuating	AC
Weight	119g
Width	22.5mm
With detachable clamps	TRUE