Monitoring Relays - Carlo Gavazzi

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Monitoring Relays REQUEST A QUOTE
Carlo Gavazzi offers a comprehensive range of monitoring relays for the detection of: phase loss, incorrect phase sequence, phase unbalance, over/under current, over/under load, over/under frequency, over/under voltage and overtemperature. Our products include monitors for: current, voltage, power, power factor, 3-phase systems, motor temperature and also current transformers. These monitors can be used in a wide range of applications for protecting motors against improper supply and overload (elevators, compressors, pumps, air conditioning systems, mixing tanks), and also protect properties against the risk of fire caused by loss of insulation or current leaks.
3-phase Relays DPA51 / DPA52 • Phase sequence • Phase loss/regenerated voltage detection • No setup required • 5 A SPDT relay output
3-phase Relays DPA55 • Phase sequence • Phase loss • Voltage window • Incorrect connection proof (208-480 VAC power supply) • 5 A SPDT relay output
3-phase Relays DPB51 / DPB52 • Phase sequence • Phase loss • 3P systems, 3P+N systems [DPB51] • Independent overvoltage and undervoltage settings • Adjustable alarm ON delay • 5 A SPDT relay output
3-phase Relays DPB01 • 3P systems, 3P+N systems, up to 400 Hz [CM44] • Phase sequence and phase loss • Independent overvoltage and undervoltage settings • Adjustable alarm ON delay • 8 A SPDT relay output
3-phase Relays DPB02 • 3P systems, 3P+N systems, up to 400 Hz [CM44] • Phase sequence and phase loss • Voltage asymmetry setting • Adjustable alarm ON delay • 8 A SPDT relay output
3-phase Relays DPC01 • 3P systems, 3P+N systems, up to 400 Hz [DM44] • Phase sequence and phase loss • Independent overvoltage & undervoltage setting+asymmetry & tolerance setting • Separate adjustable alarm ON delays • 2 x 8 A SPDT relay output
3-phase Relays DPC02 • 3P systems, 3P+N systems, up to 400 Hz [DM44] • Phase sequence and phase loss • Independent overvoltage and undervoltage setting + overfrequency and underfrequency setting • Separate adjustable alarm ON delays • 2 x 8 A SPDT relay output
3-phase Relays DPD02 • 3P systems, 3P+N systems, up to 400 Hz • NFC device configuration and real time reading, through dedicated Android, IoS or Windows App • All 3-phase voltage values can be monitored and combined to each relay • Alarm ON or OFF delay and hysteresis individually set for each variable • 2 x 8 A SPDT relay output
Current Relays DIA01 / DIA02 • 0.5 - 5 AAC/DC [DIA01] • 2 mA - 5 AAC/DC [DIA02] • Overcurrent setting • 8 A SPDT relay output
Current Relays DIA53 / EIS H • 200 mA - 60 AAC range [EIS H] • 2 A -100 AAC range [DIA53] • No power supply required • Overcurrent setting [DIA53] ON/OFF monitoring (no adjustment required)[EIS H] • NPN/PNP transistor output [DIA53] • AC/DC solid state output [EIS H]
Current Relays DIB01 / DIB02 • Wall mounting • Cable hole • 5 types of input up to 500 AAC • 3 types of output: 4 - 20 mADC, 0 - 20 mADC, 0 - 10 VDC • LED indication for power supply
Current Transformers A82 • Wall mounting • Cable hole • 5 types of input up to 500 AAC • 3 types of output: 4 - 20 mADC, 0 - 20 mADC, 0 - 10 VDC • LED indication for power supply

Monitoring Relays REQUEST A QUOTE
The possibilities for monitoring relays are countless: verification of machinery operation, detection of broken heater elements, lighting monitoring in critical areas (airport runways, buildings aircraft warning lights, tunnels), monitoring of ventilation fans and in building automation systems. Protection can be provided against people, fire, earth current leakage, or protecting from incorrect mains or cables connections. Also cabling and mounting is eased using different types of housing, double cage terminals, or pass-through connections for current measurement. Setup is always easy and accurate with the front dials and DIP switches.
Current Transformers E83 • DIN-rail or wall mounting • Small size • 12 mm cable hole • 7 selectable input ranges up to 50 AAC • LED indication for power supply • Output 4 - 20 mADC
Voltage Relays DUA01 / DUB01 • AC/DC TRMS over or undervoltage monitoring • Range up to 500 VAC or DC • Adjustable delay and hysteresis [DUB01] • Programmable latching / inhibit • 1 x 8 A SPDT relay output
Voltage Relays DUA52 • DC battery undervoltage monitoring • 12 V, 24 V and 48 V battery systems • Adjustable voltage and hysteresis settings • 1 x 5 A SPDT relay output
Voltage Relays DUA55 • Voltage window relay • Nominal voltage from 208 to 240 VAC • Monitoring of own supply • Incorrect connection proof (208-480 VAC power supply) • 5 A SPDT relay output
Voltage Relays DUB02 / DUB03 • Over and undervoltage monitoring • Measure own supply 24 V, 115 V, 230 VAC [DUB02], 24-240 VAC/DC [DUB03] • Adjustable delay on alarm ON or on recovery • Programmable latch / inhibit function • 1 x 8 A SPDT output
Current / Voltage Relays DIC01 / DUC01 • TRMS AC or DC voltage monitoring • Over + over or over + under or under + under • Separately adjustable delays, adjustable hysteresis • Programmable latch / inhibit function • 2 x 8 A SPDT relay output
Thermistor Relays DTA01/02, DTA71/72 • Motor thermistor relays for PTC connection • Remote or local, automatic or manual alarm reset • PTC open or short circuit information LED for status and troubleshooting • 1 or 2 relays output
Thermistor Relay DTA04 • Motor thermistor relays for PTC connection • Remote or local, automatic or manual alarm reset • PTC open or short circuit. Information LED for status and troubleshooting • 2 x 8 A SPST relay output • Relay outputs for contactor opening and signalling • 24 V to 240 VAC/DC power supply voltage
Earth Leakage DEA71 / DEB71 • Fixed [DEA71] or adjustable I∆n threshold [DEB71] • Warning output @ 60% I∆n • Trip Output @ 80% I∆n • Adjustable time delay [DEB71] • 2 SPDT relay outputs • Sealable antitampering lid [DEB71] • Works with CTG core balance transformers with openings from 35mm to 210mm
Frequency Relays DFB01 / DFC01 • Over and underfrequency monitoring •Rated frequency 50 Hz or 60 Hz • Adjustable delay on alarm ON or on recovery • Programmable latch / inhibit function • 1 x 8 A SPDT output [DFB01], 2 x 8 A SPDT output [DFC01
Power Relays DWA01/DWB • Cosφ or Active power monitoring • Direct reading up to 5 A, 10 A or through "MI" current transformers for higher currents • Adjustable Cosφ or selectable independent upper and lower values • Adjustable delay ON • 1 x 8 A SPDT relay output
Pump Alternating Relays DLA71 / DLA7 • For 2 or 3 pumps • Pump rotation and multiple pumps activation • Overflow relay output [DLA73] • 2 x 5 A SPST relay output [DLA71 2P] • 3 x 5 A SPST relay output [DLA71 3P, DLA73]