Iskra Zascite

VM-DC SeriesDC POWER SUPPLY PROTECTIONIEC category / EN type: C1/C2/C3 (IEC 61643-21)Design:Replaceable plug-in moduleCoarse Protection:3 terminal GDTNom. Operating Voltage U n: 12V DC and 24VDCMax. Operating Voltage U c: 15V DC and 28VDCSeries Resistance: 0.1ΩFreq:DCSurge Discharge Ratings: I n: 10kA 8/20µs, I max: 20kA 8/20µsSeries load current:10AEnclosure:DIN 43880 1TE, DIN rail mountTerminals: Multi-strand to 6mm 2The VM-DC series has been developed to protect DC power supplies.Coarse protection is provided by a three terminal gas discharge tube while fine protection is provided using a highspeed silicon stage.Internal thermal disconnectors are used to reduce the hazards of thermal runaway during fault conditions, or ifmains incursion onto the low voltage data circuit, occurs.Technical characteristicsTypeProtection constructionNumber of protected pairsNominal operating voltageUnMax. continuous operating voltageUcRated spark overvoltage(0,12/24V - PG)(0 - 12/24V)Rated operating current at 25oCI LNominal discharge current (8/20µs) I nMax. discharge current (8/20µs) ImaxResidual voltage at 5 kA (8/20µs)Response time of overvoltage protection t AThermal protectionInsulation resistance of the protectionSerial resistanceRTransverse capaticanceCTerminal cross sectionOperating temperatureDegree of protectionHousing materialDimensions DIN 43880Mounting EN 60715Ordering code Base + Replaceable plug-in moduleReplaceable plug-in module12V12V DC15V DC184V - 276V16V - 20V10A10kA20kA< 32V (0.12V)< 1nsThermo-clip703 502703 501VM-DCTwo parts: base + replaceable plug-in module1 (2 conductors)24V24V DC28V DC184V - 276V30V - 36V10A10kA20kA< 60V (0.24V)< 1nsThermo-clip≥ 15MΩ≥ 28MΩ< 0.1Ω< 0.1Ω< 1nF< 3nFMulti-strand to 6 mm 2-40oC … +80oCIP 20Thermoplastic; yellow, extinguishing degree V-O1TEon a 35mm DIN rail703 504703 503Dimensional drawingsConnection diagram68904517.5Legend:TCGDTSDPGthermo clipgas discharge tubesignal-direction TVS diodeprotective grounding12/24VOVPGGDTTCSDbase12/24VOV42www.iskrazascite.si