DSB51XXDP CARLO GAVAZZI Selected parameters MONITORED VARIABLE Surge protection Others SIZE 17,5 mm MONITOR.. View larger
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DSB51XXDP CARLO GAVAZZI Selected parameters MONITORED VARIABLE Surge protection Others SIZE 17,5 mm MONITOR..



Selected parameters MONITORED VARIABLE Surge protection Others SIZE 17,5 mm MONITORING FUNCTION Protection for Dupline MOUTING DIN-rail

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Inductive Sensors Proximity Switches


Inductive Sensors and Loop Detector

* Brand new product in its original packaging covered by the warranties and certifications provided by CARLO GAVAZZI

* This article is obsolete. Please ask us for a quotation and we will check if there are units available or we will offer you an alternative product.

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Monitoring Relays
Surge Arresters for Dupline® and Smarthouse® systems
• Surge arrester for 2-wires communication buses
• Designed for Dupline®and Smarthouse®
• Dual technology with GDT and tranzorb
• 15V nominal voltage
• 20kA discharge current
• DIN-rail mounting
• Replaceable plug in module
Product Description Ordering Key
DSB51XXS is a surge pro- tectingdevicethathas beendesignedfor2 wires communication buses at
15Vspecifically for Dupline® and Smarthouse® systems. Effectively pro- tects allthesystem deviceswhich are normally installedatlongdistances in these type of systems. In order to provide sufficient protectionitisnecessary
Type Selection
to install one device at each end of the communi- cation line when the dis- tance is bigger than 15m. The circuittopology con- sists of multistage protec- tion providing both com- mon and differential mode protection. The construc- tion isDINrailmounting and the cartridge is replaceable.
Mounting din Surge Arrester Type
Item number Output Network Serial
Code DescriptionNominal voltage of the system
Output relayCartridge
DSB51XXDP Surge arrester for Dupline® and Smarthouse®15VNoYes
General Specifications
Nominal operating voltageUn
Max. continuous oper. voltage Uc
Rated spark over voltage
(a-b), (a, b-SG)20-24V
Nominal discharge current In
(8/20usec) 10kA
Max discharge currentImax
(8/20usec) 20kA
Rate operating current @ 25°C IL
Transverse capacitanceC
(a, b), (a, b-PG) 50pF
Insulation resistance of the protection
(a, b), (a, b-PG) ≥15Mohm
Series resistance 1.6ohm ÷ 2ohm Protection distance 10 m (suggested value) Coarse protection3 terminal GDT
Mode of protectionLongitudinal, Transverse
Operating temperature-40 to +80 °C
Protection degreeIP 20
Residual voltage @ 5kA
(8/20usec) <48V (line-line)
Response time
of overload protectionta
(a, b-SG) <1ns
Limit frequency30MHz
Housing materialThermoplastic gray
extinguishing degree V-O
Terminal cross sectionMulti-strand to 4mm2
Mounting EN 60715 On a 35mm DIN rail
Design Replaceable plug-in module
DimensionsH90 x L12 x P71.5mm
CE Marking Yes
Specifications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. REV0 181113 1

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