The Siemens 7UG0822-1AD20 is a digital current monitoring relay designed for continuous monitoring and protection of single-phase (1-phase, 2-wire) electrical systems. This intelligent relay helps detect abnormal current conditions and protects electrical equipment from overload, undercurrent, and operational irregularities that could lead to system failures or equipment damage.
Powered by a 230V AC auxiliary supply, the relay continuously measures current flow and provides reliable switching outputs when preset thresholds are exceeded or fall below defined limits. This makes it ideal for monitoring motors, pumps, compressors, heaters, conveyors, and other critical electrical loads.
The relay features a compact 35 mm DIN rail-mounted design, making it suitable for installation in control panels, motor control centers (MCCs), industrial automation systems, building services, and power distribution applications.
As part of the Siemens 7UG monitoring relay series, the 7UG0822-1AD20 offers precise monitoring, adjustable settings, and dependable operation, helping improve system reliability and reduce maintenance costs.
• Genuine Siemens digital current monitoring relay
• Model: 7UG0822-1AD20
• Single-phase (1-phase, 2-wire) current monitoring
• 230V AC auxiliary power supply
• Detects overcurrent and undercurrent conditions
• Adjustable monitoring parameters
• Fast fault detection and response
• Compact 35 mm DIN rail mounting design
• Suitable for motors, pumps, and industrial equipment
• Reliable digital monitoring technology
• Long service life and high operational reliability
| Parameter | Specification |
|---|---|
| Product Series | Siemens 7UG |
| Model Number | 7UG0822-1AD20 |
| Product Type | Digital Current Monitoring Relay |
| System Type | 1-Phase, 2-Wire |
| Auxiliary Supply Voltage | 230V AC |
| Monitoring Function | Overcurrent & Undercurrent Monitoring |
| Control Technology | Digital Monitoring |
| Mounting Type | DIN Rail Mount |
| Module Width | 35 mm |
| Output Type | Relay Contact Output |
| Application | Equipment & Motor Protection |
| Usage | Industrial & Commercial Control Systems |
| Brand | Siemens |
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