UL Standard for Safety Central-Station Alarm Services Seventh Edition
适用范围:1.1 These requirements apply to:a) Central-stations providing watchman, fire-alarm, and supervisory services as described in theNational Fire Alarm Code, NFPA 72;b) Central-station burglar-alarm system...
实施日期:2008-06-11
Railway applications - Fixed installations - DC switchgear - Part 7-2: Measurement, control and protection devices for specific use in d.c. traction systems - Isolating current transducers and other cu...
适用范围:Gives the requirements for isolating current transducers and other current measuring devices used in d.c. railway applications, fixed installations.
发布日期:2006-02-07 实施日期:2006-02-07
实施日期:1950-07-14
Aerospace series - Circuit breakers, test methods - Part 100: General
适用范围:This standard specifies the general conditions for test methods applicable to circuit breakers.
实施日期:2005-09-01
实施日期:2010-12-09
Instruments and software used for measurement in high-voltage impulse tests - Part 1: Requirements for instruments
适用范围:Applies to digital recorders and digital oscilloscopes used for measurements during tests with high impulse voltages and high impulse currents. Specifies the measuring characteristics and calibrations ...
发布日期:2001-06-11 实施日期:2001-06-11
Temperaturkompensierte draipolige Schutzschalter Nennstroeme bis 25 A. Produktnorm Three-Pole Circuit Breakers,Temperature Compensated,Rated Currents up to 25 A. Product Standard (Read in Conjunction w...
适用范围:To be read in conjunction with BS EN 2350:1991
实施日期:1991-01-01
Low-voltage switchgear and controlgear. Low-voltage circuit breakers
Gasgefullte Schottraeume fuer Wechselstrom-Schaltgeraete und -Schaltanlagen mit Nennspannungen ueber 1KV bis einschliesslich 52kV
实施日期:1997-08-01
Road vehicles -- Electrical/electronic switching devices -- Part 2: Electronic devices
发布日期:1998-12-01 实施日期:1998-12-01
Niederspannungsschaltgeraete. Steuergeraete und Schaltelemente. Verfahren zur Abschaetzung der Leistungsfaehigkeit von Schwachstromkontakten. Besondere Pruefungen Low-voltage switchgear and controlgear...
适用范围:This part of IEC 60947 applies to separable contacts used in the utilization area considered, such as switching elements for control circuits. This standard takes into consideration two rated voltage a...
实施日期:2003-12-18
A.C. high-voltage switchgear and controlgear. High breaking capacity fuses. Characteristics.
实施日期:1977-03-01
Fittings for overhead lines and switchgear; dynamic-mechanical behaviour of antivibration fittings
Bahnanwendungen. Elektromagnetische Vertraeglichkeit. Stoeraussendungen und Stoerfestigkeit von ortsfesten Anlagen und Einrichtungen der Bahnenergieversorgung Railway Applications-Electromagnetic Compa...
适用范围:To be read in conjunction with BS EN 50121-1:2000
实施日期:2000-12-15
Low-voltage switchgear and controlgear assemblies - Part 6: Busbar trunking systems (busways) (IEC 61439-6:2012); German version EN 61439-6:2012
发布日期:2013-06-01 实施日期:2013-06-01
Dimensions of Electrical Indicating Instruments for Switch Boards
发布日期:1980-07-09 实施日期:1994-06-27
660V, Single-Core Flexible PVC Asbestos Insulating Wire of Panel(660V-STWP) for Marine Use
发布日期:1982-07-21 实施日期:1988-07-13
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