SIEMENS 3UG4513-1BR20 3PH VOLTAGE MONITOR

SIEMENS 3UG4513-1BR20 3PH Voltage Monitor - Phase Failure and Sequence Monitoring Relay The SIEMENS 3UG4513-1BR20 is an analog monitoring relay designed for three-phase voltage monitoring with adjustable undervoltage and phase unbalance detection. It is intended for use in electrical distribution and control systems, providing reliable protection by monitoring phase sequence, phase failure, undervoltage, and phase unbalance. This device is suitable for integration by electrical distributors and switchgear suppliers requiring compact and precise monitoring solutions within industrial and commercial electrical installations. Specifications Manufacturer: Siemens Manufacturer Part #: 3UG4513-1BR20 Monitoring Functions: Phase sequence, phase failure, undervoltage (adjustable), phase unbalance (20% fixed) Voltage Range: 160 to 690 V AC Frequency: 50 to 60 Hz Hysteresis: 5% fixed Delay Time: Adjustable from 0 to 20 seconds Contacts: 2 changeover (CO) contacts Connection Type: Screw terminals Dimensions (W x H x D): 22.5 mm x 92 mm x 91 mm (typical for 3 terminal blocks with screw terminals) Permissible Ambient Temperature: -25 °C to +60 °C Rated Insulation Voltage: 690 V Rated Impulse Withstand Voltage: 6 kV Load Capacity of Output Relay: 5 A conventional thermal current Electrical Endurance: 0.1 million operating cycles Mechanical Endurance: 10 million operating cycles Product Weight: Approximately 0.309 lb (0.14 kg) Country of Origin: Germany RoHS Compliant Since: 05/01/2012 Features Analog monitoring relay for phase failure and sequence with adjustable undervoltage and fixed 20% unbalance threshold Wide voltage range input suitable for global applications Adjustable delay times enhance flexibility to avoid nuisance tripping Two changeover contacts provide reliable switching for signaling or disconnection Compact design (22.5 mm width) for reduced space requirement in control cabinets Screw terminal connections for secure and fast wiring Clear diagnostics through LED indicators for phase sequence and fault conditions Replacement product for Siemens 3UG3013-1B series Suitable for use by electrical distributors and switchgear suppliers in industrial energy management and lighting solutions Downloads & Links Spec Sheet Spec Sheet