Protection relays - LOVATO ELECTRIC

Protection Relays – LOVATO ELECTRIC

Protection relays are essential components in any electrical installation, designed to monitor and safeguard equipment against abnormal operating conditions. Lovato Electric offers a comprehensive range of modular protection relays, including voltage monitoring relays, pump protection relays, phase shift monito...

Protection Relays – LOVATO ELECTRIC

Protection relays are essential components in any electrical installation, designed to monitor and safeguard equipment against abnormal operating conditions. Lovato Electric offers a comprehensive range of modular protection relays, including voltage monitoring relays, pump protection relays, phase shift monitoring relays, and frequency monitoring relays. These devices are engineered for high safety and accuracy, ensuring reliable operation in demanding environments. They are available in modular formats suitable for panel mounting, including rear mounting plate configurations. All relays comply with international standards such as IEC/EN 60255-1, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, and CSA C22.2 No.14, and hold cULus and EAC approvals.

These protection relays are primarily used in industrial control panels, distribution boards, and automation systems. They are ideal for applications requiring continuous monitoring of electrical parameters such as voltage, phase sequence, frequency, and pump protection against dry running or overload. Common sectors include water treatment, HVAC, manufacturing, and energy management, where equipment protection and process continuity are critical.

The main subcategories within this range include voltage monitoring relays (e.g., series DTR8, DTR9), pump protection relays (e.g., series DPA01), phase shift monitoring relays (e.g., series DCR8), and frequency monitoring relays (e.g., series DFR8). Article codes typically follow a pattern such as "DTR8-12" for a three-phase voltage monitoring relay, where the suffix indicates the voltage range and configuration. These relays are available in 2P or 3P versions, with adjustable thresholds and time delays.

At Electric Automation Network, we provide expert technical support from our team of specialized engineers, ensuring you select the right protection relay for your application. We offer real-time pricing, detailed technical documentation for each article, and express worldwide shipping. Our multilingual portal makes it easy to source Lovato Electric protection relays with confidence, backed by personalized service and fast delivery.

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Manufacturer Code Reference Catalog Number Description Delivery Price

PMVF20D048

PMVF20D048

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INTERFACE PROTECTION UNIT COMPLIANT WITH ITALIAN STANDARD CEI 0-21, AUGUST 2017 EDITION FOR THREE-PHASE SYSTEM, WITH OR WITHOUT NEUTRAL, IN LOW VOLTAGE, DUAL THRESHOLD MINIMUM AND MAXIMUM VOLTAGE AND FREQUENCY PROTECTION, 230VAC - 400VAC

PMVF PROTECTION RELAY

Interface protection unit compliant with italian standard CEI 0-21, for three-phase system, with or without neutral, in low voltage, dual threshold minimum and maximum voltage and frequency protection, 230VAC - 400VAC

3 View Availability View Price

PMVFGSM1

PMVFGSM1

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GSM MODEM (MODULAR - 4U). IP69K OUTDOOR ANTENNA WITH 2.5M CABLE. PROGRAMMING CABLE RJ45-USB (INCLUDED). 9.5 ... 35VDC / 9.5 ... 27VAC

CEI 0-16 GSM MODEM + IP69K QUAD BAND ANT

GSM MODEM (modular – 4U). IP69K for external use antenna with 2.5m cable and RJ-USB programming cable (included). 9.5...35VDC/9.5...27VAC

3 View Availability View Price

PMVF51

PMVF51

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INTERFACE PROTECTION UNIT COMPLIANT WITH ITALIAN STANDARD CEI 0-21, AUGUST 2017 EDITION FOR THREE-PHASE SYSTEM, WITH OR WITHOUT NEUTRAL, IN LOW VOLTAGE, DUAL THRESHOLD MINIMUM AND MAXIMUM VOLTAGE AND FREQUENCY PROTECTION, 230VAC - 400VAC

PROTECTION RELAY CEI 0-21 6 MODULES

Interface protection unit compliant with italian standard CEI 0-21, for single-phase and three-phase system, with or without neutral, in low voltage, dual threshold minimum and maximum voltage and frequency protection, 230VAC - 400VAC

3 View Availability View Price

PMVF20

PMVF20

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INTERFACE PROTECTION UNIT COMPLIANT WITH ITALIAN STANDARD CEI 0-21, AUGUST 2017 EDITION FOR THREE-PHASE SYSTEM, WITH OR WITHOUT NEUTRAL, IN LOW VOLTAGE, DUAL THRESHOLD MINIMUM AND MAXIMUM VOLTAGE AND FREQUENCY PROTECTION, 230VAC - 400VAC

PMVF MODULAR MONITORING RELAYS

Interface protection unit compliant with italian standard CEI 0-21, for three-phase system, with or without neutral, in low voltage, dual threshold minimum and maximum voltage and frequency protection, 230VAC - 400VAC

3 View Availability View Price

PMVF30

PMVF30

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INTERFACE PROTECTION SYSTEM UNITS COMPLIANT WITH ITALIAN STANDARD CEI 0-16, AUGUST 2017 EDITION FOR MEDIUM-VOLTAGE SYSTEM, DUAL THRESHOLD MINIMUM AND MAXIMUM VOLTAGE AND FREQUENCY PROTECTION, MEASUREMENTS VIA VTS IN MV OR DIRECT IN LV

CEI 0-16 MODULAR MONITORING RELAY

Interface protection system unit compliant with italian standard CEI 0-16, for MV system, dual threshold minimum and maximum voltage and frequency protection, measurements via VTS in MV or direct in LV

3 View Availability View Price

PMVF30D048

PMVF30D048

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INTERFACE PROTECTION SYSTEM UNITS COMPLIANT WITH ITALIAN STANDARD CEI 0-16, AUGUST 2017 EDITION FOR MEDIUM-VOLTAGE SYSTEM, DUAL THRESHOLD MINIMUM AND MAXIMUM VOLTAGE AND FREQUENCY PROTECTION, MEASUREMENTS VIA VTS IN MV OR DIRECT IN LV

CEI 0-16 MOD. MONITORING RELAY 12-48VDC

Interface protection system unit compliant with italian standard CEI 0-16, for MV system, dual threshold minimum and maximum voltage and frequency protection, measurements via VTS in MV or direct in LV

3 View Availability View Price

PMA60A415

PMA60A415

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PHASE SHIFT MONITORING RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MINIMUM AND MAXIMUM COSΦ, 16A

Phase shift monitoring relay for single and three-phase systems, minimum and maximum COSΦ, 16A

3 View Availability View Price

PMA60A480

PMA60A480

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PHASE SHIFT MONITORING RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MINIMUM AND MAXIMUM COSΦ, 16A

Phase shift monitoring relay for single and three-phase systems, minimum and maximum COSΦ, 16A

3 View Availability View Price

PMF20A240

PMF20A240

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FREQUENCY MONITORING RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MINIMUM AND MAXIMUM FREQUENCY, 220…240VAC 50/60HZ

MULTIFUNCTION FREQUENCY PROTEC TION RELA

Frequency monitoring relay for single and three-phase systems, minimum and maximum frequency, 220...240VAC 50/60Hz

3 View Availability View Price

PMF20A415

PMF20A415

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FREQUENCY MONITORING RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MINIMUM AND MAXIMUM FREQUENCY, 380…415VAC 50/60HZ

MULTIFUNCTION FREQUENCY PROTEC TION RELA

Frequency relay for single-phase and three-phase systems, minimum and maximum frequency, 380...415VAC 50/60Hz

3 View Availability View Price

PMA20240

PMA20240

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CURRENT MONITORING RELAY FOR SINGLE-PHASE SYSTEM, AC/DC MAXIMUM CURRENT CONTROL, 5A OR 16A

CURR.REL.1OUT.24-240VAC/DC MAX CURR.

Current monitoring relay for single-phase system, AC/DC maximum current control, 5A or 16A

2 View Availability View Price

PMA30240

PMA30240

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CURRENT MONITORING RELAY FOR SINGLE-PHASE SYSTEM, AC/DC MINIMUM OR MAXIMUM CURRENT CONTROL, 5A OR 16A

CURR.REL.1OUT.24-240VAC/DC MIN-MAX CURR.

Current monitoring relay for single-phase system, AC/DC minimum or maximum current control, 5A or 16A

2 View Availability View Price

PMA40240

PMA40240

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CURRENT MONITORING RELAY FOR SINGLE-PHASE SYSTEM, AC/DC MINIMUM AND MAXIMUM CURRENT CONTROL, 0.02 - 0.05 - 0.25 - 1 - 5 - 16A

CURR.REL.2OUT.24-240VAC/DC MIN-MAX CURR.

Current monitoring relay for single-phase and three-phase systems, AC/DC minimum and maximum current control, 0.02 - 0.05 - 0.25 - 1 - 5 - 16A

3 View Availability View Price

PMA50A240

PMA50A240

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PUMP PROTECTION RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MAXIMUM AC CURRENT AND MINIMUM COSΦ. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 5A OR 16A

PUMP PROTECTION RELAY 220-240VAC

Pump protection relay for single and three-phase systems, maximum AC current and minimum COSΦ. Phase loss and incorrect phase sequence, 5A or 16A

2 View Availability View Price

PMA50A415

PMA50A415

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PUMP PROTECTION RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MAXIMUM AC CURRENT AND MINIMUM COSΦ. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 5A OR 16A

PUMP PROTECTION RELAY 380-415VAC

Pump protection relay for single and three-phase systems, maximum AC current and minimum COSΦ. Phase loss and incorrect phase sequence, 5A or 16A

2 View Availability View Price

PMA50A480

PMA50A480

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PUMP PROTECTION RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MAXIMUM AC CURRENT AND MINIMUM COSΦ. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 5A OR 16A

PUMP PROTECTION RELAY 440-480VAC

Pump protection relay for single and three-phase systems, maximum AC current and minimum COSΦ. Phase loss and incorrect phase sequence, 5A or 16A

3 View Availability View Price

PMA60A240

PMA60A240

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PHASE SHIFT MONITORING RELAY FOR SINGLE AND THREE-PHASE SYSTEMS, MINIMUM AND MAXIMUM COSΦ, 16A

Phase shift monitoring relay for single and three-phase systems, minimum and maximum COSΦ, 16A

3 View Availability View Price

PMV10A440

PMV10A440

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, PHASE LOSS AND INCORRECT PHASE SEQUENCE, 208…480VAC 50/60HZ

MAN.RELAY AND PHASE SEQUENCE 208/480V

Voltage monitoring realy for three-phase system, without neutral, phase loss and incorrect phase sequence, 208...480VAC 50/60Hz

0 Stock Available View Price

PMV20A240

PMV20A240

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, PHASE LOSS AND INCORRECT PHASE SEQUENCE, 100…240VAC 50/60HZ

PHASE SEQUENCE/PHASE LOSS MODULAR RELAY

Voltage monitoring realy for three-phase system, without neutral, phase loss and incorrect phase sequence, 100...240VAC 50/60Hz

3 View Availability View Price

PMV20A575

PMV20A575

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, PHASE LOSS AND INCORRECT PHASE SEQUENCE, 208…575VAC 50/60HZ

PHASE SEQUENCE/PHASE LOSS MODULAR RELAY

Voltage monitoring realy for three-phase system, without neutral, phase loss and incorrect phase sequence, 208...575VAC 50/60Hz

0 Stock Available View Price

PMV20A600

PMV20A600

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, PHASE LOSS AND INCORRECT PHASE SEQUENCE, 380…600VAC 50/60HZ

PHASE SEQUENCE/PHASE LOSS MODULAR RELAY

Voltage monitoring realy for three-phase system, without neutral, phase loss and incorrect phase sequence, 380...600VAC 50/60Hz

3 View Availability View Price

PMV30A240

PMV30A240

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, MINIMUM AC VOLTAGE. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 208…240VAC 50/60HZ

3PH SYSTEM MULTIFUNCTION PRO- TECTION RE

Voltage monitoring realy for three-phase system, without neutral, minimum AC voltage. Phase loss and incorrect phase sequence, 208...240VAC 50/60Hz

3 View Availability View Price

PMV30A575

PMV30A575

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, MINIMUM AC VOLTAGE. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 380…575VAC 50/60HZ

3PH SYSTEM MULTIFUNCTION PRO- TECTION RE

Voltage monitoring realy for three-phase system, without neutral, minimum AC voltage. Phase loss and incorrect phase sequence, 380...575VAC 50/60Hz

2 View Availability View Price

PMV30A600

PMV30A600

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, MINIMUM AC VOLTAGE. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 600VAC 50/60HZ

3PH SYSTEM MULTIF. PROTECTION RELAY 600V

Voltage monitoring realy for three-phase system, without neutral, minimum AC voltage. Phase loss and incorrect phase sequence, 600VAC 50/60Hz

3 View Availability View Price

PMV40A240

PMV40A240

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, ASYMMETRY. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 208…240VAC 50/60HZ

3PH SYSTEM MULTIF.PROTECTION 208/240V

Voltage monitoring realy for three-phase system, without neutral, asymmetry. Phase loss and incorrect phase sequence, 208...240VAC 50/60Hz

3 View Availability View Price

PMV40A575

PMV40A575

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, ASYMMETRY. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 380…575VAC 50/60HZ

3 PHASE LINE VOLTAGE CONTROL RELAY PMV40

Voltage monitoring realy for three-phase system, without neutral, asymmetry. Phase loss and incorrect phase sequence, 380...575VAC 50/60Hz

2 View Availability View Price

PMV40A600

PMV40A600

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, ASYMMETRY. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 600VAC 50/60HZ

3PH SYSTEM PROT. RELAY 600VMULTIFUNCTION

Voltage monitoring realy for three-phase system, without neutral, asymmetry. Phase loss and incorrect phase sequence, 600VAC 50/60Hz

3 View Availability View Price

PMV50A240

PMV50A240

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, MINIMUM AND MAXIMUM AC VOLTAGE. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 208…240VAC 50/60HZ

3PH SYSTEM MULTIFUNCTION PRO- TECTION RE

Voltage monitoring realy for three-phase system, without neutral, minimum and maximum AC voltage. Phase loss and incorrect phase sequence, 208...240VAC 50/60Hz

2 View Availability View Price

PMV50A575

PMV50A575

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, MINIMUM AND MAXIMUM AC VOLTAGE. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 380…575VAC 50/60HZ

3PH SYSTEM MULTIFUNCTION PRO- TECTION RE

Voltage monitoring realy for three-phase system, without neutral, minimum and maximum AC voltage. Phase loss and incorrect phase sequence, 380...575VAC 50/60Hz

2 View Availability View Price

PMV50A600

PMV50A600

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VOLTAGE MONITORING RELAY FOR THREE-PHASE SYSTEM, WITHOUT NEUTRAL, MINIMUM AND MAXIMUM AC VOLTAGE. PHASE LOSS AND INCORRECT PHASE SEQUENCE, 600VAC 50/60HZ

3PH SYSTEM MULTI, PROTECTION RELAY 600V

Voltage monitoring realy for three-phase system, without neutral, minimum and maximum AC voltage. Phase loss and incorrect phase sequence, 600VAC 50/60Hz

3 View Availability View Price

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