Bourns Surge Protection Devices

Surge Protective Devices (SPDs)

Bourns® Surge Protective Devices (SPDs) are designed to protect sensitive equipment from damage caused by lightning and electrical transient surges. SPDs are protective devices that integrate discrete circuit protection devices into an assembly or system that provides an enhanced level of functionality and protection. SPDs are designed to protect many types of electronic, electrical, data communication and telecommunication equipment.

Bourns leverages its expertise in discrete circuit protection to offer a line of SPD products that protect AC systems, DC power systems, signal and data line circuits as well as coaxial networks and CATV. A line of test sets capable of testing discrete protection devices as well as SPDs is also available.

AC Surge Protection Devices

Buy Now1210 Series Heavy Duty AC Surge Protective Device

The Bourns® Model 1210 Series is a heavy duty Surge Protective Device (SPD) designed to protect high risk electrical service entrance and branch panels. This SPD is intended to be installed at the front end of the installation, in the main switchboard, close to sensitive terminals or in installations without LPS (lightning rods).

The Model 1210 Series is a single-pole module that can be configured for both common mode and differential mode protection in single and three phase applications up to 600 V.

Applications: AC protection for front end installations, main switchboard and sensitive installations without Lightning Protection Systems (LPS)

Features:

  • 100 kA max. discharge current rating
  • Multi-pole uni-block design
  • DIN Rail mountable
  • UL 60691 compliant integrated thermal disconnect
  • Visual fault indicator

 

  • Remote signalling capability
  • Compact design ideal for limited spaces
  • Standards compliance:
  • RoHS compliant*

Buy Now1250 Series General Duty AC Surge Protective Device

The Bourns® Model 1250 Series is a general duty Surge Protective Device (SPD) designed to protect high risk electrical service entrance and branch panels. This SPD is intended to be installed at the front end of the installation, in the main switchboard, close to sensitive terminals or in installations without LPS (lightning rods). The Model 1250 Series is a single-pole module that can be configured for both common mode and differential mode protection in single and three phase applications up to 480 V.

Applications: AC protection for front end installations, main switchboard and sensitive installations without Lightning Protection Systems (LPS)

Features:

  • 50 kA max. discharge current rating
  • Multi-pole uni-block design
  • DIN Rail mountable
  • UL 60691 compliant integrated thermal disconnect
  • Visual fault indicator

 

  • Remote signalling capability
  • Compact design ideal for limited spaces
  • Standards compliance:
  • RoHS compliant*

Buy NowModel 1200TA Terminal Adapter

The Bourns® Model 1200TA Terminal Adapter is designed to improve the wiring efficiency of Model 1210 and 1250 Series SPDs. This add-on adapter allows for efficient and safe parallel connections. This method of connection is highly recommended and minimizes voltage drops in parallel connections.

Applications: Wiring adapter for Model 1210 and 1250 Series AC SPDs

Features:

  • Screw-down connection
  • Improved connection for better efficiency

 

  • 2 x 16 mm2 wire connection
  • Adapted to Bourns® Model 1210 and 1250 Series Surge Protective Devices (SPDs)

Buy Now1200-BB Series Bus Bar Accessory

The Bourns® Model 1200-BB Series bus bar accessory provides a quick solution for combining the ground connection on two to four Model 1210 or 1250 Series SPDs. The bus bar is installed at the bottom of the SPD, providing a bridge that connects the individual ground points. After installation of the bus bar, a single ground wire can then be used to complete the installation, saving wiring time.

Applications: Efficient ground connection of multiple single-pole 1210 and 1250 SPDs

Features:

  • Two, three and four-point configurations
  • Quick connect design

 

  • Easy installation
  • Versatile configurations

DC Power Surge Protection Devices

Buy Now1320 Series DC Power Surge Protective Device

The Bourns® Model 1320 Series is a DC power Surge Protective Device (SPD) designed to protect power systems from damage due to lightning and power surges. The Model 1320 Series is a DIN Rail mountable SPD targeted for systems ranging from 48 to 110 Vdc.

Applications: 48 V, 75 V, 110 V DC power supplies

Features:

  • Matched high energy MOV
  • Internal thermal disconnects
  • Status indicator
  • Replaceable modular design

 

  • DIN Rail compatible base
  • Remote signalling capability
  • Standards compliance:
  • RoHS compliant*

Buy Now1420 Series DC Power SPD for Photovoltaic Applications

The Bourns® Model 1420 Series is a DC power Surge Protective Device (SPD) designed to protect power systems operating up to 1200 Vdc. The unique hybrid MOV/GDT design provides an enhanced level of protection against the effects of direct or indirect lightning.

Applications: Photovoltaic systems

Features:

  • Hybrid MOV/GDT design
  • No leakage over life
  • DIN Rail mountable
  • 40 kA maximum impulse current rating
  • Minimal footprint within DC power system

 

  • Uni-block design with replaceable modules
  • Visual fault indicator
  • Thermal disconnect
  • Standards compliance:
  • RoHS compliant*

Signal and Data Line Surge Protection Devices

Buy Now1500 Series Gigabit Ethernet SPD

The 1500 Series Ethernet Surge Protective Device (SPD) incorporates multiple Bourns® circuit protection technologies. These technologies are designed to work together to provide an unmatched level of surge protection for exposed Ethernet applications. The 1500 Series is designed to meet key surge and AC power cross requirements of GR-1089-Core Issue 6. The isolated model is designed to withstand voltages up to 5 kV.

Applications: Gigabit Ethernet (unpowered)

Features:

  • GDT/TBU® High-Speed Protector technology
  • Low impulse let-through
  • High surge current rating
  • Available in isolated and grounded versions

 

  • 10/100/1000 data compatibility
  • 5 kV isolation
  • Listed per UL 497B (File: E153537)

Buy Now1669 Series – Transient Protector

Used for full weather protection of field transmitters and instrumentation operating on 24-28 V systems, the 1669 Series protects sensitive I/O circuitry from surges of any polarity or magnitude. Principal use is on 4-20 mA control loops and can be used on grounded (+ or -) or ungrounded circuits. Able to survive and protect even from direct lightning strikes to the transmitter ground or field wiring. Automatic recovery after passage of the surge. Long life, high operational reliability.

Construction is hybrid 3-stage design, using a high surge capacity Balanced Trigard® Gas Tube protector, coordination impedance and silicon suppressors to provide differential and common mode protection with very low clamping levels for delicate loads. The housing is thick walled schedule 40, type 303 stainless steel. Wiring is #20 (.5 mm2) 1000 V, PVC insulated. Solid red and black colors are used for the input; striped colors signify the protected output. The protector ground wire (green) is electrically bonded to the metallic housing; it is for connection to the grounding screw within the field device. Use Model 1669-02/06 for standard ground resistance conditions.

Use Model 1669-01 / 05 with higher voltage isolation to ground for sites with high resistance soil conditions or where significant ground potential differences are known to exist.

Applications: 4-20 mA control loops

Features:

  • Fits single or dual conduit ports
  • Weatherproof

 

  • Long life, high operational reliability
  • Stainless steel construction

Buy Now1800 Series – Signal and Dataline Protector

Bourns® Model 1800 Series Signal and Dataline Protectors are designed to protect sensitive electronic circuits and components from damaging surge voltages and currents. Their extremely fast response and low clamping voltages make them particularly suitable for the protection of signal and data lines associated with computer, data communication, instrumentation, broadcasting and industrial controls. They may be used directly with EIA standard interfaces RS-232, RS-422, RS-423, RS-485 and with 20 mA and 50 mA instrumentation loops. The Model 1800 Series Signal and Dataline Protectors are fast, rugged and capable of protecting against fast rising voltage transients as well as the severe current surges associated with lightning discharges.

Applications: 4-20 mA control loops, RS-232, RS-422, RS-423, RS-485

Features:

  • Low peak clamping voltage even during severe current surges
  • Ability to repeatedly protect against surge currents in excess of 10,000 amperes
  • Convenient mounting and grounding to any flat surface or to Din 1 (TS-32) or DIN-3 (TS-35) rail

 

  • Cable shields are passed through and may be either grounded or not grounded at the protector
  • Vibration-proof screw-type clamp terminals
  • Flame-resistant epoxy-filled housing

Coaxial Surge Protection Devices and Enclosures

Buy Now1977 Series High Frequency Coaxial SPD

The Bourns® Model 1977 Series Coaxial Surge Protective Device (SPD) has been designed to provide heavy duty protection for antennas, broadband, microwave, GPS, cellular and CATV applications against surges caused by lightning and other electrical transients.

Applications: Tower Mounted Amplifiers (TMA), antenna systems, GPS antennas, WiFi

Features:

  • Heavy duty design
  • High frequency DC-5 GHz
  • DC Pass to ±48 V
  • VSWR <1.2
  • Low insertion loss <0.1 dB
  • Bidirectional

 

  • Water resistant
  • Replaceable gas tube
  • Three grounding options
  • RoHS compliant*
  • Listed (File: E360007)

Learn More1965 Series – 50 Ohm Coaxial Surge Protector

The Bourns 1965 Series Coaxial Surge Protector is intended for use with low power VHF and UHF transmitters, 2-way base station transceivers, and receive-only systems. All models provide GDT technology. The 1965 arrester is symmetric and bidirectional. Either end may be used for the input or output. Various power and voltage choices are available - see specifications below for proper selection. Available with a choice of connectors.

Note: The arrester ground plate is common with the connector body; hence the coax cable shields will be grounded at their connection to the arrester.

Applications: VHF/UHF transmitters 2-way base station receive only systems

Features:

  • Protects subscribers and equipment from destructive power crosses and lightning surges
  • Reduces frequency of service calls
  • Increases reliability of network operation

 

  • Reduces cost of network maintenance
  • Listed per UL 497*

Learn More1740 Series – Coaxial Surge Protector

75 Ohm Powered & Unpowered Coax DC to >1 GHz - The Bourns 1740 Series of Primary Broadband Coaxial Surge Protectors is designed for Network and other high frequency applications. The 1740 Series provides protection against surges on 75 ohm coax subscriber drops and has a fail-short mechanism in the event of dangerous power-crosses. The protector will pass bi-directional signals over the bandwidth from DC to in excess of 1 Ghz. Its cast-metal housing and environmentally sealed design will withstand the toughest Outside Plant Applications.

Applications: CATV subscriber drops

Features:

  • Protects subscribers and equipment from destructive power crosses and lightning surges
  • Compact size fits subscriber network interface devices
  • Reduces frequency of service calls
  • Increases reliability of network operation

 

  • Reduces cost of network maintenance
  • Listed per 497 C
  • Patent # 5,508,873 (U.S.); #2,169,604 (Canada)

Learn More7041 Series – Station Enclosure

The Model 7041 Series combines the Bourns 1740 Series of Coax broadband protectors and station protectors (optional) into a compact residential protector enclosure. Refer to the respective data sheets for additional information on the elements that make up this system.

Applications: Protected enclosure, coaxial and POTS

Features:

  • Coax TV & Communication Station Protector in a compact enclosure

 

  • Listed per UL 1863

Learn More7004C Series - Network Interface Device

Bourns® Model 7004C NID provides a secure and weather resistant enclosure for Telco service for residential or commercial installations. The 7004C supplies station protection and test access points and can be configured for a maximum of two POTS lines and one 1740-xx coax protector. The 7004C features convenient cable knockouts and generous working space for wire management.

Applications: Protected interface, coaxial and POTS

Features:

  • Accepts POTS lines & coaxial protector
  • Manufactured from high-impact resistant, ultraviolet-desensitized, flame retardant plastic
  • Optional sealed switching jacks with Insulation Displacement Connectors (IDC)

 

  • Subscriber lockable with Telco override
  • Convenient ground attachment
  • Listed per UL 497 (File: E53117)