PROTECTION RELAYS - LOVATO ELECTRIC - #9

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Protection relays For single-phase Systems Bisctric Voltage monitoring relay Ordercode Rated voltage to control Ue Qty per pkg Wt [V] 50/60Hz n° [kg] Single-phase system. Minimum and maximum AC voltage. Delayed trip. PMV55 A240 208-240VAC 1 0.125 PMV55 A440 380-440VAC 1 0.125 General characteristics - Voltage monitoring relay, self powered, for minimum and maximum voltage - 4 configurable rated voltage (Ue): • PMV55 A240: 208-220-230-240VAC • PMV55 A440: 380-400-415-440VAC - Excellent tripping accuracy - TRMS measurements (True Root Mean Square) - 1 relay output with 1 changeover contact (SPDT) - Modular DIN 43880 housing, 2-module - IEC protection degree: IP40 on front (only when placed in IP40 enclosure or control board); IP20 at terminals. ADJUSTMENTS "V max" Maximum voltage tripping threshold 105-115% Ue "V min" Minimum voltage tripping threshold 80-95% Ue "Delay" for each Tripping time 0.1-20s "Reset delay" Resetting time 0.1-20s Certifications and compliance Certifications obtained: GOST; UL Listed, for USA and Canada (File E93601), as Auxiliary Devices. Compliant with standards: IEC/EN 60255-5, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, CSA C22.2 n° 14. Operational diagram See page 17-16. PMV55... Current monitoring relay Order code Rated Auxiliary Qty Wt current supply per Ie voltage pkg [A] [V] n° [kg] General characteristics - Current monitoring relay for AC/DC maximum current control, AC/DC multivoltage auxiliary power supply - Direct connection up to 16A max, or by current transformer (CT) - Excellent tripping accuracy - TRMS current measurements (True Root Mean Square) - Resetting and inhibition input - 1 relay output with 1 changeover contact (SPDT) - Modular DIN 43880 housing, 2-module - IEC protection degree: IP40 on front (only when placed in IP40 enclosure or control board); IP20 at terminals. ADJUSTMENTS "Imax" Maximum current tripping threshold 5-100% Ie "Hysteresis" Maximum hysteresis thresold 1-50% "Trip delay" Tripping time 0.1-30s "Inhibition time" Tripping delay for external input or at power up 1-60s "Aut. reset delay" Automatic resetting time 0.1-30s "Mode" • Rated current 5A or 16A, • Relay output normally energised or de-energised • Tripping memory (Latch) On or Off. Certifications and compliance Certifications obtained: GOST; UL Listed, for USA and Canada (File E93601), as Auxiliary Devices - Modular ampere monitoring relays. Compliant with standards: IEC/EN 60255-5, IEC/EN 61000-6-2, IEC/EN 61000-6-3, UL 508, CSA C22.2 n° 14. Single-phase system. AC/DC maximum current control. Auxiliary AC/DC power supply. Automatic or manual reset. PMA20 240 5 or 16A 24-240V 1 0.121 AC/DC PMA20 240 Operational diagram See page 17-17. Dimensions page 17-14 Wiring diagrams pages 17-16 and 17 Technical characteristics pages 17-24 and 26 17-8