Data signal SPDs

Surge Protection Made Simple™ - data signal surge protection for telecom and instrumentation applications

  • UL 497B Listed to protect equipment and wiring against the effects of excessive currents caused by lightning
  • RJ45 / Ethernet data cable and universal 4-pole versions available for popular data signal applications
  • DIN-Rail mount makes installation easy
  • Data signal SPDs complement SurgePOD™ Type 1 and DIN-Rail UL AC/DC power and control surge product lines for comprehensive system protection

Product profile No. 10035

UL power and data signal SPD application guide No. 3193

Surge protective device master Spec No. 10204

Data sheets, installation sheets and CAD drawings - See Spec Sheets & Downloads tab below

Bussmann series SPD selector

Find the surge protective device you need based upon your overvoltage protection needs - covers power and data signal SPDs.

For measurement, control and regulation circuits, and twisted pairs

DIN-Rail Universal 4-Pole Surge Protective Device

Universal 4-wire, DIN-Rail mounted surge arrester provides effective protection with minimum space requirements and is designed for stringent requirements on the availability of measurement, control and regulation circuits, and bus systems.

  • Function-optimized design for safe use and easy installation
  • Module removal without signal interruption via “make-before-break” circuitry

See data sheet No. 2161

For RJ45 connector Ethernet data cables

DIN-Rail RJ45/Ethernet Surge Protective Device

The DIN-Rail mount BSPD48RJ45 SPD for Ethernet cable systems is easy to install between the patch panel and the active component in new, or retrofitting into existing installations. It is well suited for Gigabit Ethernet, ATM, ISDN, Voice over IP and Power-over-Ethernet (PoE).

• CAT 6 according to ISO/IEC 11801 and in the channel (Class E)

• Power-over-Ethernet (PoE+ according to IEEE 802.3at) up to 57 volts

See data sheet No. 2160

Catalog Number BSPD_
System protection - RJ45 / Ethernet cable
- 4-wire for measuring and control circuits, and bus systems
Agency information UL 497B Listed
Specifications See individual data sheets for details


SPD type  RJ45 Ethernet  Universal 4-wire
Connectors  RJ45  Screws
System voltages  48V  5V
MCOV DC  48V  6 V
Grounding  DIN-Rail  DIN-Rail
Protection IP20 IP20
Operating temp. range  -40°C to +80°C  -40°C to +80°C
Housing material  Zinc Die Cast  Polyamide PA 6.6
Agency information  UL Listed 497B
UL Listed 497B
RoHS compliant  Yes  Yes