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PM-CT-XCurrent TransformersThe Sontay range of current transformers areavailable in moulded, split core and ring types.They all suitable for use with the PM-EM rangeof kWh meters.The split core Current transformers arepartially useful for retrofits, upgrades andtemporary installations, as they can befitted without any disruption to the existinginstallation.FEATURES■■Ratings from 50 to 800A■■5A secondary currentPart code DescriptionMoulded TypesPM-CT-M100 100A, 2.5VA Current TransformerPM-CT-M150 150A, 2.5VA “PM-CT-M200 200A, 5VA “PM-CT-M250 250A, 5VA “PM-CT-M300 300A, 5VA “PM-CT-M400 400A, 5VA “PM-CT-M500 500A, 10VA “PM-CT-M600 600A, 10VA “PM-CT-M800 800A, 10VA “Split Core TypesPM-CT-100SC 100A, 1VA Current TransformerPM-CT-150SC 150A, 1.5VA “PM-CT-200SC 200A, 2.5VA “SPECIFICATIONOverload:1.2 x rated current (continuous)Frequency: 50/60HzInsulation level: 3kV (50Hz) for 1 minute (not PM-CT-M)Connections: PM-CT-M Screw terminalsPM-CT-xSC 1m tails (3.28 ft)PM-CT-R M6 lug terminalsConformity: PM-CT-xSC IEC185, BS7626, BSEB 60044-1PM-CT-R IEC44-1, IEC185, BS7626Ambient range: Humidity up to 95% RH (non-condensing)Temperature –20 to +85°C (PM-CT-M) (–4 to +185°F)–30 to +85°C (others) (–22 to +185°F)Weight:750g max. (1.65 lb)Part code DescriptionSplit Core TypesPM-CT-250SC 250A, 2.5VA Current TransformerPM-CT-300SC 300A, 2.5VA “PM-CT-400SC 400A, 5VA “PM-CT-500SC 500A, 5VA “PM-CT-600SC 600A, 5VA “PM-CT-800SC 800A, 5VA “Ring TypesPM-CT-R50 50A, 2.5VA Current TransformerPM-CT-R100 100A, 10VA “PM-CT-R150 150A, 15VA “PM-CT-R250 250A, 15VA “PM-CT-R300 300A, 15VA “PM-CT-R400 400A, 15VA “PM-CT-R500 500A, 15VA “PM-CT-R800 800A, 15VA “Data sheets: PM-CT-M.pdf ∙ PM-xSC.pdf ∙ PM-CT-R.pdfPM-EM21Energy Analyser (DIN-rail or panel mounted)The PM-EM21 is a compact energy meter thathas a removable front LCD display that allowsit to be either DIN-rail or panel mounted.The energy meter is designed for active andreactive energy metering. All operations,including programming and viewing up toseven display pages are performed using thetwo push buttons on the detachable display. Itis possible to block the access to programmingby means of a trimmer position on the rearof the display. Standard meters are non-MID.For billing use, add annex -B+D option. Extrasystem information is required please contactSontay Support.FEATURES■■Pulsed or ModBus output options■■Self powered■■5A CT secondary current■■Compact size■■Detachable display■■Multi-use housing for both DIN-rail andpanel mounting applicationsAPPLICATIONS■■3-Phase, 4-wire balanced & unbalanced load■■3-Phase, 3-wire balanced & unbalanced load■■2-Phase, 3-wire■■1-Phase, 2-wireCHARACTERISTICSMeasurements: System W, var, PF, Hz, Phase-sequenceSingle-phase VLL, VLN, A, PF, kWh, kvarhSPECIFICATIONFrequency:45 to 65HzDisplay:2 linesHousing: Nylon PA66, self-extinguishing UL 94 V-0Mounting:DIN-rail or panelOutput types: Pulse Open collectorModBus RS485RS 485: Address Programmable, 1 to 247Baud-rate 9600 bit/sRefresh time: 1/sAmbient: Humidity 0 to 90% (non-condensing)Temperature –25 to +55°C (–13 to +131°F)Protection:IP50 (front)Dimensions: 72 x 72 x 65mm (2.83 x 2.83 x 2.56”)Weight:260g (0.57 lb)Part code DescriptionPM-EM21-P Energy Analyser – Pulsed OutputPM-EM21-M Energy Analyser – ModBus OutputOption (add to part code above)-B+DAnnex B+D CertificationData sheet: PM-EM21.pdfAir & Water Flow Air Quality & Gas Detection Controllers Input / Output Modules Water & Energy Metering Peripherals38www.sontay.com · Email sales@sontay.com