1-pair monobloc Telecom surge protector
Part Number: 641102
  • For 'DIN' rail mounting
  • All types of Telephone and Data lines
  • Monobloc housing and very compact
  • Protection of shield wire
  • IEC 61643-21 compliance
Installation Sheet

DLC compact 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 or on modular panel and are available for most of the transmission lines These products are 1-pair surge protectors with monobloc enclosure

RS232, RS485
Nominal line voltage
12 V
Max. DC operating voltage 15 V
Max. load current
300 mA
Max. frequency
> 3 MHz
Insertion loss
< 1 dB
Max. discharge current
max. withstand @ 8/20 µs by pole
10 kA
Protection mode(s)
Common/Differential mode
Protection level
@ In (8/20µs)
30 V
Protection level L/N
@ In (8/20µs)
30 V
Protection level L/PE
@ In (8/20µs)
30 V
Impulse current
2 x 10/350µs Test - D1 Category
2.5 kA
Nominal discharge current
8/20µs Test x 10 - C2 Category
5 kA
line resistance < 4.7 Ohm
Technology GDT+Clamping diode
SPD configuration 1-pair + shielded
Connection to Network by spring - max. cross section 1.5 mm²
Format DIN box
Mounting Symmetrical rail 35 mm (EN60715)
Housing material Thermoplastic UL94-V0
Operating temperature -40/+85°C
Protection rating IP20
Failsafe behavior Short-circuit - transmision cut-off - fault mode 2
Disconnection indicator Transmission interrupt
See diagram
Certification UL listed
Standards compliance IEC 61643-21 / EN 61643-21 / UL497A