Siemens SIRIUS 3UG5 stroombewakingsrelais 0,05-10A 24-240V AC/DC 3UG5522-1AW30

The Siemens SIRIUS 3UG5522-1AW30 is a versatile current monitoring relay designed for 1-phase AC/DC systems. It offers precise monitoring of current overshoot and undershoot with an adjustable measuring range from 0.05 to 10 A. The device operates on a wide supply voltage of 24-240 V AC/DC, making it suitable for various industrial applications. With two change-over contacts and a digital display, it provides reliable status indication and control. The relay features fault memory and adjustable response time (0.1 to 20 s), ensuring flexible integration into automation systems. Its compact 22.5 mm width allows space-saving DIN rail mounting, and the screw terminals simplify wiring.

Advantages

High reliability and accuracy for current monitoring tasks. Wide voltage range and adjustable parameters offer flexibility. Compact design saves cabinet space. Fault memory aids in diagnostics. Digital display provides clear local indication.

Suitable for

• Industrial automation and control panels
• Motor protection and load monitoring
• Power distribution systems
• Process control applications requiring current supervision

Key specifications

• Product Type: Current Monitoring Relay
• Series: SIRIUS 3UG5
• Monitoring Function: 1-phase AC/DC current monitoring
• Measuring Range (Current): 0.05 - 10 A
• Supply Voltage: 24 - 240 V AC/DC
• Output Contacts: 2 change-over contacts (2 NO/NC)
• Switching Function: Overshoot and undershoot monitoring
• Fault Memory: Yes
• Display Type: Digital
• Connection Type: Screw terminals
• Mounting Type: DIN rail
• Width: 22.5 mm
• Operating Temperature: -25 to +60 °C
• Protection Class (Housing): IP20
• Rated Insulation Voltage: 300 V
• Frequency Range (AC): 50/60 Hz
• Response Time: 0.1 to 20 s (adjustable)

Recommendations

For optimal performance, ensure the supply voltage matches the relay's rating and the current range is set according to the monitored circuit. Use appropriate fuses or circuit breakers for protection. This relay is ideal for upgrading existing control systems or new installations requiring reliable current monitoring.