Active Standard ASTM F1507 | Developed by Subcommittee: F25.10
Book of Standards Volume: 01.07
Historical (view previous versions of standard)
This specification establishes the performance requirements for surge suppressors used on shipboard ac power circuits that may consist of a single circuit element or may be a hybrid device using several suppression devices. The surge suppressor shall be a protective device for limiting voltage transients on equipment by discharging, dissipating internally, bypassing surge current, or a combination thereof, and which prevents continued flow of follow current to ground and is capable of repeating these functions. Surge suppressors shall be classified into the following classes and types: Class A—surge suppressor associated with long circuit branch; Class B—surge suppressor for short branch circuit; and Type I—permanent connected type; Type II—plug-in type; Type III—cord-connected type; and Type IV—power director (power center) type. The surge suppressors shall conform to specified performance, operating, grounding, and supplementary protection requirements. They shall also undergo designated design, and conformance production tests such as insulation withstand test, power frequency withstand test, impulse voltage-time tests (including fast-front impulse suppression tests and slow-front impulse suppression tests), voltage protection level tests, duty cycle tests, life cycle tests (including voltage and current impulses), load current and voltage drop tests (including rated current and voltage drop and inrush current), and ground continuity test.
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1.1 This specification establishes performance requirements of surge suppressors for use on shipboard ac power circuits.
1.2 Surge suppressor shall be a protective device for limiting voltage transients on equipment by discharging, dissipating internally, bypassing surge current, or a combination thereof and which prevents continued flow of follow current to ground and is capable of repeating these functions.
1.3 Surge suppressors covered by this specification may consist of a single circuit element or may be a hybrid device using several suppression devices.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Military StandardMIL-STD-1399 Section 300; Military Standard Interface Standard for Shipboard Systems, Section 300, Electric Power, Alternating Current
Underwriters Laboratories StandardUL1449 Transient Voltage Surge Suppressors, 2nd Edition
American National Standards
ICS Number Code 29.120.50 (Fuses and other overcurrent protection devices)