Siemens Monitoring relay phase failure, 2c/o, 3x90-690VAC, 15-70Hz Part number 3UG5616-2CR20

Name: Siemens Monitoring relay phase failure, 2c/o, 3x90-690VAC, 15-70Hz
Brand: Siemens
SKU: 3UG5616-2CR20

EAN / Barcode 4047621099958

Product Type Control Panel

Product Class Phase monitoring relay

ETIM Class Phase monitoring relay

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Product Description

Product Overview

The Siemens 3UG5616-2CR20 is a digital three-phase monitoring relay from the SIRIUS 3UG5 series. It monitors phase sequence, phase failure, phase asymmetry, undervoltage, overvoltage, and frequency deviations in three-phase systems. With a wide measuring range up to 690 V AC and two change-over relay outputs, it provides reliable protection and monitoring for industrial power networks.

Key Features

Digital monitoring relay for three-phase systems
Monitors phase sequence, phase failure, asymmetry, undervoltage and overvoltage
Wide measuring voltage range: 3× 90…690 V AC
Frequency monitoring from 15…70 Hz
Two change-over (CO) relay output contacts
Push-in spring terminals for fast, secure wiring
Slim 22.5 mm DIN-rail mounting design
Digital adjustment for precise parameter configuration

Technical Specifications

Article Number: 3UG5616-2CR20
Series: SIRIUS 3UG5 Monitoring Relays
Monitoring Functions: Phase sequence, phase failure, asymmetry, under/overvoltage, frequency
Measuring Voltage Range: 3× 90…690 V AC
Frequency Range: 15…70 Hz
Switching Outputs: 2 × CO (change-over) contacts
Output Rating: AC-15: 3 A at 250 V
Control Supply Voltage: AC 200…690 V or AC 120…400 V (variant-dependent)
Terminals: Push-in spring terminals
Dimensions (W × H × D): 22.5 mm × 100 mm × 90 mm
Ambient Operating Temperature: −25 °C to +60 °C
Weight: approx. 0.17 kg

Compliance & Certifications

Manufactured under Siemens SIRIUS industrial control standards
Complies with IEC requirements for monitoring relays
Suitable for installation in industrial control panels and power distribution systems

Applications

Used for protecting and monitoring three-phase networks in industrial automation systems. Ideal for pumps, motors, compressors, conveyors, and any machinery where voltage stability and phase integrity are critical. Suitable for control cabinets, switchboards, and power distribution panels.

Technical Specifications

Depth	90 mm
Function over voltage detection	Yes
Function under voltage detection	Yes
Height	100 mm
Max. permitted delay-on energization time	999.9 s
Max. permitted off-delay time	30 s
Min. adjustable delay-on energization time	0.1 s
Min. adjustable off-delay time	0.1 s
Number of contacts as change-over contact	2
Operating voltage AC 50 Hz	690 V
Operating voltage AC 60 Hz	690 V
Phase failure detection	Yes
Phase imbalance monitoring	Yes
Phase sequence monitoring	Yes
Rated switch current	3 A
Supply voltage AC 50 Hz	690 V
Supply voltage AC 60 Hz	120 V
Type of electric connection	Spring clamp connection
Voltage measuring range	90 V
Voltage type (operating voltage)	AC/DC
Voltage type (supply voltage)	AC
Width	22.5 mm
With detachable clamps	Yes