1-pair monobloc Data surge protector
DLU-12DBC
DLU-12DBC
Part Number: 640512
  • For DIN rail mounting
  • Monobloc housing
  • 1-pair
  • Un: 12 V
  • Transmission an protection of shield wire
  • IEC 61643-21 compliance
  • UL497A

DLU surge protectors are designed to protect, against surge voltages due to lightning, terminals equipment connected to industrial buses, telecom lines or datalines. These surge protectors must be installed on symmetrical DIN rail and are available for most of the transmission lines: line voltage from 6 to 170V, bitrate up to 10 Mbit/s. These products are 1-pair surge protectors and are made with DIN rail monobloc enclosure


Network 12 V line, High bitrate
Nominal line voltage Un 12 V
Max. DC operating voltage Uc 15 V
Max. frequency f max. > 20 MHz
Insertion loss < 1 dB
Max. load current IL 300 mA
Max. discharge current Imax 20 kA
Protection mode(s) Common/Differential mode
Protection level Up 35 V
Max. capacitance C < 50 pF
Impulse current Iimp 5 kA
Nominal discharge current In 5 kA
Line resistance < 4.7 Ohm
Technology GDT+Clamping diode
SPD configuration 1-pair + shielded
Connection to Network Adern, Erdung und Schirm über Schraubklemme 0.4-1.5 mm² Erdung auch über Hutschiene möglich
Format DIN box
Mounting Symmetrical rail 35 mm (DIN 60715)
Housing material Thermoplastic UL94-V0
Operating temperature Tu -40/+85°C
Protection rating IP20
Failsafe mode Short-circuit - transmision cut-off - fault mode 2
Disconnection indicator Transmission interrupt
Dimensions See diagram
Standards compliance IEC 61643-21 / EN 61643-21 / UL497 A
Certification UL listed