Surge Suppressors Specifications on GlobalSpec

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General Specifications


	Device Type
	Your choices are...
	SPD / TVSS		Transient voltage surge suppressors (TVSS) protect against a temporary excess voltage and/or current in an electrical circuit that has been disturbed. After the establishment of UL 1449 Third Edition, TVSS will be called Surge Protective Device (SPD).
	Dataline and DC Signal		Dataline and DC signal surge suppressors protect equipment from transient overvoltage present on data or DC signal lines.
	Single Phase		Single-phase surge suppressors protect equipment from transient overvoltage present on single-phase AC power lines. These surge suppressors are not plug-in style devices.
	Three Phase		Three-phase surge suppressors protect equipment from transient overvoltage present on three-phase AC power lines. These surge suppressors are not plug-in style devices.
	Plug-in Style		Plug-in style surge suppressors plug into wall outlets to protect equipment from transient overvoltage.
	Lightning Arrestor		Lightning arrestors are used to protect equipment from surges produced by lightning.
	Coaxial Surge Suppressors		Coaxial surge suppressors have a coaxial connector form factor. They are used to protect RF equipment and related products.
	Other		Other unlisted surge suppressors.
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	Technology
	Your choices are...
	MOV		Metal oxide varistors (MOV) have high-energy capabilities, good reliability, and consistent performance. They also have a non-linear clamping curve and fatigue rapidly at higher amperage levels.
	Silicon Avalanche Diode		Silicon avalanche diodes have high clamping voltages, but a limited power-handling capacity that is destroyed easily by the power levels encountered in typical power-line surges. Silicon avalanche diodes are used most often in data-line protectors and on circuit boards as static protectors.
	Silicon Thyristor Diode		Silicon thyristor diodes are used mainly to protect telecom systems.
	Gas Tube		Gas tubes have higher energy capabilities than either MOVs or diodes. They typically consist of two electrodes held at a close distance so that high voltages between the electrodes simply arc through the air to effectively clamp the voltage. Gas tubes are very slow, but can handle very large surges.
	Hybrid		Hybrids attempt to incorporate all the major advantages of many of the individual components, while collectively overcoming their individual faults.
	Other		Other, less commonly used technologies include spark gaps, selenium, and Zener diodes.
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	Mounting
	Your choices are...
	Wall / Panel / Backboard Mount		Surge suppressors have bolting or mounting holes so that they can be attached to a wall or backboard.
	DIN Rail		Surge suppressors mount on a DIN rail.
	Hard-Wired / Device Mount		Surge suppressors mount on or within the device that is to be protected from surges.
	In-Line / Integrally Attached		Surge suppressors are threaded, or are designed for integral attachment to conduits, cabling, etc.
	Plug-in Module		Surge suppressors are modules that plug into an existing system or surge suppression device.
	PCB Mount		Surge suppressors are wired or soldered onto printed circuit boards (PCBs).
	Rack Mount Type		Surge suppressors are rack-mounted.
	Other		Other unlisted mounting types.
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	Applications		Telecommunication: Audio & Video: Data Acquisition: Network Applications:
	Your choices are...
	Data Acquisition		Surge suppressors are used to protect data acquisition devices such as resistance temperature detectors (RTDs), thermocouples (TCs), and 4-20ma process control loop systems.
	Network Applications		Surge suppressors are used in networks to protect data and transmission lines, typically in ISDN and LAN applications (e.g., Ethernet, Token Ring, and ARCNET).
	Telecom Applications		Surge suppressors are used to protect telecommunication lines and telecommunications devices such as fax machines, modems, and telephones.
	Audio and Video Applications		Surge suppressors are used to protect audio-visual (AV) equipment such as cable TVs, rooftop antennas, or down-line TVs.
	Medical Facilities		Surge suppressors are used to protect medical facilities.
	Computer Rooms		Surge suppressors are used to protect computer rooms.
	Other		Other unlisted or specialized applications.
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Performance


	Maximum Surge Current		Maximum surge current is the maximum current allowed for a single impulse waveform with a continuous voltage applied. This value indicates the protection capacity of a particular surge suppressor design, and is used in specifying a product for a given application. A higher-level surge current capacity is required for a high-exposure application where there are very large transients present from lightning.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Clamping Voltage		Typically, the surge suppressor's DC clamping voltage is much less than its AC clamping voltage for multiple outlet-type spuds (< 300 for phone and < 35 for TV).
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Number of Protected Lines		The number of protected lines is the number of "pairs" or lines protected from surges.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Operating Temperature		The full required range of operating temperature.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

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Standards


	Standards
	Your choices are...
	UL 1449 Third Edition		UL 1449 Third Edition is a set of safety standards for surge protective devices (SPDs). The formal title of these standards is "ANSI/UL 1449 & UL Standards for Safety for Surge Protection Devices, UL 1449."
	UL 1449 Second Edition		UL 1449 Second Edition standards apply to devices that are designed to limit repeated transient voltage surges.
	UL 497A Rating		UL 497A is a specification for telephone surge suppressors. These requirements cover secondary protectors for use in single or multiple pair-type communications circuits, not cellular phones.
	UL 497B Rating		UL 497B rating is a specification that covers telecommunication and fire alarm circuits. It protect circuits from surges generated by lightning, inductive switching, electrostatic discharges, and others.
	UL 1459 Rating		UL 1459 covers telecommunications products such as telephone answering devices, residential telephone instruments, telephone dialers, cordless phones, key systems, and private branch exchange (PBX) equipment. These devices are designed to be electrically-connected to a telecommunications network with an operating voltage to ground that does not exceed 200 V peak, 300 V peak-to-peak, and 150 V rms.
	UL 452 Rating		UL 452 covers antenna-discharge units for radio and television receiving equipment, and amateur radio-transmitting and receiving equipment.
	ANSI		The American National Standards Institute (ANSI) is the administrator and coordinator of the U.S. private-sector voluntary standardization system. ANSI includes nearly 1000 company, organization, government agency, institutional, and international members.
	CE Marking		CE marking indicates that a product complies with the essential requirements of relevant European Union (EU) directives that uphold national standards for health, safety, and environmental protection. CE Marking is required in the countries of the European Economic Area (EEA), an organization that consists of the twenty five member states of the EU and the three members of the European Free Trade Association (EFTA). CE Marking refers to the safety of a product. It is not a quality standard.
	CSA Mark		Products that bear a CSA Mark have been tested by the Canadian Standards Association (CSA) and meet applicable standards for safety and/or performance. These standards are written and administered by organizations such as the American National Standards Institute (ANSI), Underwriters Laboratories (UL), and CSA International. CSA Marks may appear alone or with indicators. CSA Marks that appear alone are used with products certified primarily for the Canadian market, to the applicable Canadian standards. CSA Marks that appear with the indicators “C” and “US” or “NRTL/C” is used with products certified for both the U.S. and Canadian markets, to the applicable U.S. and Canadian standards.
	IEC		The International Electrotechnical Commission (IEC) is a global, non-profit organization that develops and maintains voluntary quality, safety, and performance standards for electrical materials, products, and systems The IEC also publishes standards for the electronics and telecommunications industries. The IEC’s membership consists of the electrotechnical standards organizations from each of its 51 member nations. The American National Standards Institute (ANSI) represents the United States.
	IEEE		Products are tested and/or certified according to standards or guidelines from the Institute of Electrical and Electronics Engineers (IEEE).
	UL		Underwriters Laboratories (UL) is a non-profit organization that tests components, systems, and materials according to its published standards for safety. Products that receive UL approval bear a UL Mark.
	RoHS Compliant		Restriction of Hazardous Substances (RoHS) is a European Union (EU) directive that requires all manufacturers of electronic and electrical equipment sold in Europe to demonstrate that their products contain only minimal levels of the following hazardous substances: lead, mercury, cadmium, hexavalent chromium, and polybrominated biphenyl and polybrominated diphenyl ether. RoHS will become effective on July 1, 2006.
	WEEE Compliant		Waste Electrical and Electronics Equipment (WEEE) is a European Union (EU) directive designed to encourage the reuse, recycling and recovery of electrical and electronic equipment. WEEE is also designed to improve the environmental impact and performance of this equipment. The WEEE directive establishes requirements and criteria for the collection, treatment, recycling and recovery of electrical and electronic equipment. It also makes producers responsible for financing these activities. Retailers and distributors must provide a way for consumers to return used or obsolete equipment without charge.
	Other		Other unlisted standards.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

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