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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
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1210 Series Heavy Duty AC Surge Protective Device|
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1250 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)
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Model 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
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1200-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
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DC Power Surge Protection Devices
1320 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
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1420 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
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Signal and Data Line Surge Protection Devices
1500 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)
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1669 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
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1800 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
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Coaxial Surge Protection Devices and Enclosures
1977 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
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1965 Series – 50 Ohm Coaxial Surge Protector
1965 Series – 50 Ohm Coaxial Surge ProtectorThe 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
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1740 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
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7041 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
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7004C 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
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