Black Box Datasheets for Surge Suppressors

Surge suppressors are used to protect equipment from transient over voltages in power, data, and telephone circuits.
Surge Suppressors: Learn more

Product Name Notes
Absolute network reliability. Simple installation at the port. The perfect add-on for short-haul modems, concentrators, A/B switches, muxes, repeaters, or other devices that are designed to span long cable runs...
Accessing a wireless network is becoming as commonplace as drinking a cup of coffee. Wireless access points are being installed in schools, restaurants, airports, offices almost everywhere!
Custom-wired to guard the four active leads on a standard DDS line. Standard clamping voltage is 7 volts.
Extremely sensitive, state-of-the-art avalanche-diode technology. Minimal signal loss. Data rates over 40 Mbps. pF maximum shunt capacity. Clamping is 7.5 volts with 132-amp pulse current.
Gives your network equipment maximum protection with a clamping voltage of 330 volts and 1000 joules of surge protection. Protects telephone and data lines from surges through RJ-11 and RJ-45...
Low shunt capacitance reduces signal loss. Fit up to 16 compact in-line surge protectors in only 1U of rack space with our Rackmount DIN-Rail Shelf. Mount on any standard DIN...
Low shunt capacitance to reduce signal loss. Protection against ground spikes, electrostatic discharge, AC power interference, or nearby lightning-induced energy in outdoor cable or long cable runs. Easy installation.
Mount on any standard DIN rail or on our Rackmount DIN-Rail Shelf (SPDINRAK).
Overcurrent and overvoltage protection. Ideal for short-haul modems, concentrators, A/B switches, muxes, repeaters, or other devices designed to span long cable runs that are prone to noise and surges. Protects...
Protect data lines with avalanche diode and thyristor technology. Maximize uptime by protecting data lines at the source. Low shunt capacitance reduces signal loss. Fit up to 16 compact in-line...
Protection for RS-232 and Token Ring. Low shunt capacitance to reduce signal loss. State-of-the-art avalanche diode technology.
Protection for RS-422/423/485 and 10BASE-T. Low shunt capacitance to reduce signal loss. State-of-the-art avalanche diode technology.
Protects against electrical surges and spikes. Low shunt capacitance to reduce signal loss. Standard clamping voltage is 240 volts. Protects two center wires.
Protects CAT5, CAT5e, and CAT6 LAN interfaces aginst power surges, electrostatic discharges, and ground loops. Use to protect network devices such as PCs, switches, routers, and more. Low shunt capacitance...
Provide power and protection directly to your rackmounted equipment with our 12-amp Rackmount Power Strip. Generous 3.8" (9.7-cm) depth gives easy access to eight 12-amp rear outlets and one 12-amp...
Provides 60 volts of clamping protection with a response time of less than 5 ms. Equipped with advanced avalanche diode and thyristor technology. Features low shunt capacitance ( 75 pF)...
Provides a standard DIN rail on a convenient shelf that mounts in any EIA 19" cabinet or rack.
Response time is less than 10 ns. Clamping is 36 volts. Absolute network reliability. Simple installation at the port.
Shielded RJ-45 sockets tied to surge protection circuitry. Guards all eight wires.
Spring-loaded design prevents wires from loosening, corroding, or becoming brittle. Protection for RS-422/423/485 and 10BASE-T. Low shunt capacitance to reduce signal loss. State-of-the-art avalanche diode technology.
Standard clamping voltage is 62 volts. Available for U and S/T interfaces. UL Listed and have IEC conformance.
Standard clamping voltage is 62 volts. U interface. UL Listed and have IEC conformance.
Support 100BASE-TX Ethernet, RS-422, and RS-485 RJ-45 ports—these surge protectors guard all eight wires on each port. Clamping is 7.5 volts with 750-amp pulse current, <5-ns response time, and 40-pF...
Support 100BASE-TX Ethernet, RS-422, and RS-485 RJ-45 ports-these surge protectors guard all eight wires on each port. Clamping is 7.5 volts with 750-amp pulse current, <5-ns response time, and 40-pF...
Supports 100BASE-TX Ethernet, RS-422, and RS-485 RJ-45 ports-this surge protector guards all eight wires on each port. Clamping is 7.5 volts with 750-amp pulse current, <5-ns response time, and 40-pF...
The BLACK BOX DSL Surge Protector guards your sensitive 6-wire RJ-11 DSL data lines against lightning-induced surges, AC power interference, electrostatic discharge (ESD), and ground loop energies.
The perfect add-on for short-haul modems, concentrators, A/B switches, muxes, repeaters, or other devices that are designed to span long cable runs but are prone to noise and surges.