Siemens Analog monitoring relay, screw, 160 - 690V Siemens
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Siemens Analog monitoring relay, screw, 160 - 690V Part number 3UG4513-1BR20

EAN / Barcode 4011209642263
Product Type Control Panel
Product Class Phase monitoring relay
Category Energy Management
Sub-category Energy Meter
ETIM Class Phase monitoring relay
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Product Description

Product Overview

Advanced analog monitoring relay designed for comprehensive three-phase power system protection, featuring phase failure and sequence monitoring with adjustable undervoltage detection capabilities. This SIRIUS 3UG4 series monitoring relay provides multi-functional protection including phase sequence verification, phase failure detection, and customizable undervoltage monitoring across a wide voltage range of 160-690 V AC. The device incorporates fixed 20% asymmetry detection and dual changeover contacts for enhanced system reliability.

Key Features

  • Multi-functional monitoring: phase failure, sequence, and adjustable undervoltage
  • Wide voltage range: 160-690 V AC for international compatibility
  • Fixed asymmetry detection at 20% threshold for unbalanced load protection
  • Adjustable undervoltage monitoring with customizable threshold settings
  • Fixed 5% hysteresis for stable operation and contact chatter prevention
  • Adjustable delay time: 0-20 seconds for application-specific timing requirements
  • Dual changeover contacts (2 SPDT) for comprehensive control capabilities
  • Self-powered operation without auxiliary voltage requirement

Technical Specifications

  • Article Number: 3UG4513-1BR20
  • Monitoring Functions: Phase failure, phase sequence, adjustable undervoltage, asymmetry detection
  • Supply Voltage Range: 3 x 160...690 V AC
  • Frequency Range: 50...60 Hz
  • Asymmetry Detection: 20% fixed threshold
  • Hysteresis: 5% fixed
  • Delay Time Range: 0-20 seconds (adjustable)
  • Contact Configuration: 2 changeover contacts (2 SPDT)
  • Connection Type: Screw terminal with removable terminals
  • Dimensions: 22.5mm (W) x 92mm (H) x 91mm (D)
  • Net Weight: 0.145 kg
  • EAN: 4011209642263
  • Country of Origin: Germany

Applications & Use Cases

  • Mobile system protection (A/C compressors, refrigerated containers)
  • Construction site equipment monitoring (compressors, cranes)
  • Critical industrial motor protection requiring voltage stability
  • Three-phase power distribution systems with voltage quality requirements
  • International installations requiring wide voltage compatibility
  • Applications requiring both phase monitoring and undervoltage protection

Advanced Monitoring Capabilities

  • Phase Sequence Detection: Verifies correct L1-L2-L3 rotation order
  • Phase Failure Detection: Immediate detection of any phase loss condition
  • Adjustable Undervoltage Monitoring: Customizable threshold for voltage drop protection
  • Fixed Asymmetry Detection: 20% threshold for unbalanced phase protection
  • Hysteresis Control: 5% fixed hysteresis prevents contact chatter
  • Timing Control: Adjustable 0-20 second delay prevents nuisance tripping
  • Dual Contact Output: Two independent changeover contacts for complex control schemes

Design & Installation Benefits

  • Slim profile design (22.5mm width) optimizes control cabinet space
  • Removable screw terminals facilitate pre-wiring and maintenance
  • Self-powered operation eliminates need for auxiliary supply
  • Wide voltage range accommodates various international power standards
  • Closed-circuit principle ensures fail-safe operation
  • Analog adjustment capabilities for precise threshold setting
  • Snap-on mounting for quick installation and replacement

Protection Features

  • Multi-Level Protection: Combined phase, sequence, and voltage monitoring
  • Undervoltage Adjustment: Customizable voltage drop threshold setting
  • Fixed Asymmetry Protection: 20% unbalance detection prevents motor damage
  • Timing Flexibility: 0-20 second delay range accommodates various applications
  • Dual Output Capability: Two changeover contacts for comprehensive control
  • International Certification: Worldwide use approval for global deployment

Compliance & Environmental Information

  • RoHS Compliance: Since 01.05.2012
  • WEEE Take-Back Obligation: Yes
  • REACH Article 33: Contains Lead, Lead monoxide (lead oxide), and 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol in concentrations higher than 0.1% weight by weight. These substances do not pose risk when used as intended.

Classification Data

  • eClass 14: 27-37-18-03
  • eClass 12: 27-37-18-03
  • ETIM 9: EC001441
  • UNSPSC 15: 39-12-15-21

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Technical Specifications

Compliance/StandardsIEC 61000-4, IEC 60529, IEC 60664, IEC 60068-2, IEC 81346-2
country_of_originGermany
Depth91 mm
description!!! product phase-out !!! The preferred successor type is 3UG5514-1BR20 phase failure and sequence adjustment undervoltage analog monitoring relay phase failure and sequence adjustable undervoltage asymmetry 20% fixed 3 x 160 to 690 V 50 to 60 Hz AC hysteresis 5% fixed delay time 0-20 s 2 changeover contacts screw terminal
Function under voltage detectionYes
Height92 mm
IP RatingIP20
IP Rating DetailedIP20 Connections
Number of contacts as change-over contact2
Part Depth (mm)107,00mm
Part Height (mm)99,00mm
Part Width (mm)29,00mm
Phase failure detectionYes
Phase imbalance monitoringYes
Phase sequence monitoringYes
Rated switch current3 A
Supply voltage AC 50 Hz690 V
Supply voltage AC 60 Hz690 V
Type of electric connectionScrew connection
Voltage measuring range690 V
Voltage type (supply voltage)AC
Weight (g)0,145 Kg
Width22.5 mm
With detachable clampsYes
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