classITEM_CLASSv2rev 12025-06-10IEC 60050-441: 1984, 441-15-02

Main circuit (of a switching device)

0112/2///62683#ACC014

all the conductive parts of a switching device included in the circuit which it is designed to close or open

Properties: 79
Subclasses: 0

Hierarchy#

Ancestors (top) → ACC014 (highlighted) → subclasses and powertype instances. Capped at 12 each; see the full lists in the sections below.

Higher level classes2#

Declared properties79#

79 / 79

ACE401number of polesINT_TYPE

number of electrically separated conducting paths of the main circuit of a switching device

ACE402rated operational power, capacitive switching, 575 V, 60 HzREAL_MEASURE_TYPE

value of power of the capacitive load that the switching device is intended to control under the specified conditions at a rated operational voltage of 575 V, 60 Hz

ACE403number of main contacts, normally closedINT_TYPE

number of contacts included in the main circuit of a mechanical switching device, intended to carry, in the closed position, the current of the main circuit, for which the force for opening the contacts is provided by an electromagnet

ACE404number of main contacts, normally openINT_TYPE

number of contacts included in the main circuit of a mechanical switching device, intended to carry, in the closed position, the current of the main circuit, for which the force for closing the contacts is provided by an electromagnet

ACE405rated operational power, AC-6b, 400 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category AC-6b at a rated operational voltage of 400 V a.c.

ACE406rated operational power, capacitive switching, 460 V, 60 HzREAL_MEASURE_TYPE

value of power of the capacitive load that the switching device is intended to control under the specified conditions at a rated operational voltage of 460 V, 60 Hz

ACE407rated operational power, DC-1, 440 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category DC-1 at a rated operational voltage of 440 V d.c.

ACE408rated operational power, DC-3, 440 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category DC-3 at a rated operational voltage of 440 V d.c.

ACE409rated operational power, DC-5, 440 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category DC-5 at a rated operational voltage of 440 V d.c.

ACE410number of protected polesINT_TYPE

number of poles protected under over-current condition

ACE412rated operational power, AC-3, 230 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category AC-3 at a rated operational voltage of 230 V a.c.

ACE413rated operational power, AC-3, 400 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category AC-3 at a rated operational voltage of 400 V a.c.

ACE414rated operational power, line connected motor, 230 V, 40 °CREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in star that the switching device is intended to control under the specified conditions at a rated operational voltage of 230 V a.c. and at 40 °C

ACE415rated operational power, line connected motor, 400 V, 40 °CREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in star that the switching device is intended to control under the specified conditions at a rated operational voltage of 400 V a.c. and at 40 °C

ACE416rated operational power, delta connected motor, 230 V, 40 °CREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in delta that the switching device is intended to control under the specified conditions at a rated operational voltage of 230 V a.c. and at 40 °C

ACE417rated operational power, delta connected motor, 400 V, 40 °CREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in delta that the switching device is intended to control under the specified conditions at a rated operational voltage of 400 V a.c. and at 40 °C

ACE4183 ph. horsepower rating, 460 V, 60 HzREAL_MEASURE_TYPE

value of power of the three-phase motor load that the switching device is intended to control under the specified conditions at a rated operational voltage of 460 V 60 Hz

ACE4193 ph. horsepower rating, 575 V, 60 HzREAL_MEASURE_TYPE

value of power of the three-phase motor load that the switching device is intended to control under the specified conditions at a rated operational voltage of 575 V 60 Hz

ACE4203 ph. horsepower rating, 460 V, 60 Hz, delta connected motorREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in delta that the switching device is intended to control under the specified conditions at a rated operational voltage of 460 V 60 Hz

ACE4213 ph. horsepower rating, 575 V, 60 Hz, delta connected motorREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in delta that the switching device is intended to control under the specified conditions at a rated operational voltage of 575 V 60 Hz

ACE4223 ph. horsepower rating, 460 V, 60 Hz, line connected motorREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in star that the switching device is intended to control under the specified conditions at a rated operational voltage of 460 V 60 Hz

ACE4233 ph. horsepower rating, 575 V, 60 Hz, line connected motorREAL_MEASURE_TYPE

value of power of the three-phase motor load connected in star that the switching device is intended to control under the specified conditions at a rated operational voltage of 575 V 60 Hz

ACE424rated currentLEVEL(MAX) OF REAL_MEASURE_TYPE

maximum uninterrupted current equal to the conventional free-air thermal current (lth)

ACE425rated operational current, DC-1, 440 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-1, at a rated operational voltage of 440 V d.c.

ACE426rated operational current, DC-22REAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-22

ACE427rated operational current, DC-3, 440 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-3, at a rated operational voltage of 440 V d.c.

ACE428rated operational current, DC-5, 440 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-5, at a rated operational voltage of 440 V d.c.

ACE429rated operational current, 400 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, at a rated operational voltage of 400 V a.c.

ACE430rated operational current, 40 °CREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the specified conditions, at the ambient temperature of 40 °C

ACE431rated operational current, AC-1, 400 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-1, at a rated operational voltage of 400 V a.c.

ACE432rated operational current, AC-22, 400 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-22, at a rated operational voltage of 400 V a.c.

ACE433rated operational current, AC-1, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-1, at a rated operational voltage of 230 V a.c.

ACE434rated operational current, AC-3, 400 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-3, at a rated operational voltage of 400 V a.c.

ACE435rated operational current, AC-23, 400 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-23, at a rated operational voltage of 400 V a.c.

ACE436rated operational current, AC-7a, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-7a, at a rated operational voltage of 230 V a.c.

ACE437rated operational current, AC-7b, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-7b, at a rated operational voltage of 230 V a.c.

ACE438conventional free air thermal currentLEVEL(MAX) OF REAL_MEASURE_TYPE

maximum current carried continuously by unenclosed equipment in free air without the temperature rise of the various parts exceeding the limits specified

ACE439conventional enclosed thermal currentREAL_MEASURE_TYPE

current stated by the manufacturer used for the temperature-rise tests of the equipment when mounted in a specified enclosure

ACE440ambient air temperatureLEVEL(MIN,MAX) OF REAL_MEASURE_TYPE

operating temperature limits, determined under prescribed conditions, of the air surrounding the complete switching device

ACE442rated operational current, AC-3, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-3, at a rated operational voltage of 230 V a.c.

ACE4431 ph. horsepower rating, 120 V, 60 HzREAL_MEASURE_TYPE

value of power of the single-phase motor load that the switching device is intended to control under the specified conditions at a rated operational voltage of 120 V 60 Hz

ACE444rated voltageLEVEL(MAX) OF INT_MEASURE_TYPE

voltage assigned by the manufacturer for a specified operating condition of an accessory

ACE445number of layers, minimumINT_TYPE

lowest number of isolated sets of contacts that represent either normally open, normally closed, change over or cross-over function for which the device is intended

ACE446number of layers, maximumINT_TYPE

greatest number of isolated sets of contacts that represent either normally open, normally closed, change over or cross-over function for which the device is intended

ACE447number of mechanical operating cyclesINT_TYPE

number of no-load operating cycles without impairing the specified performance of the device

ACE449step angleENUM_STRING_TYPE

number of degrees between each defined position of the device

ACE450rated power dissipation of a fuse terminal blockREAL_MEASURE_TYPE

maximum permissible value with which the fuse terminal block can be continuously loaded by the cartridge fuse-link under specified conditions

ACE451signal indicatorENUM_BOOLEAN_TYPE

device associated with a switch to indicate the circuit state visually

ACE452characteristic of the fuse-linkSTRING_TYPE

code composed of one or more letters: The breaking range followed by the utilization category, and if needed, the time delay class EXAMPLE: gG, aM, gN class J ,gN class CC

ACE453fuse systemSTRING_TYPE

family of fuses following the same physical design principles with respect to the shape of the fuse-links, type of contact, etc. EXAMPLE: NH, BS, NF, H

ACE454size of the fuse-linkSTRING_TYPE

specified set of dimensions of fuses within a fuse system, each individual size covering a given range of rated currents for which the specified dimensions of the fuses remain unchanged EXAMPLE: 00, 10 x 38 mm, 0,405 x 1,5 in

ACE455rated operational voltageLEVEL(MIN,MAX) OF INT_MEASURE_TYPE

range of voltage combined with a rated operational current intended to be switched by the device under specified conditions

ACE456with OFF-positionENUM_BOOLEAN_TYPE

availability of a defined position in which all contacts are open

ACE457rated operational voltage, a.c.LEVEL(MAX) OF INT_MEASURE_TYPE

maximum value of the AC voltage at which the switching device is intended to operate

ACE459rated operational voltage, DC-22LEVEL(MAX) OF INT_MEASURE_TYPE

maximum value of the DC voltage at which the switching device is intended to operate under the condition of the utilisation category DC-22

ACE460rated impulse withstand voltageREAL_MEASURE_TYPE

value stated for the transient overvoltage occurring in the circuit in which the equipment is fitted

ACE461return to OFF-positionENUM_BOOLEAN_TYPE

availability of at least one defined position in which the device returns to a position in which all contacts are open

ACE463category of operating cyclesENUM_STRING_TYPE

additional letter to the utilisation category code giving the distinction between frequent (A) and infrequent operation (B)

ACE464rated operational power, AC-6b, 230 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category AC-6b at a rated operational voltage of 230 V a.c.

ACE465rated operational power, DC-1, 220 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category DC-1 at a rated operational voltage of 220 V d.c.

ACE466rated operational power, DC-5, 220 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category DC-5 at a rated operational voltage of 220 V d.c.

ACE467rated operational current, DC-1, 220 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-1, at a rated operational voltage of 220 V d.c.

ACE468rated operational current, DC-3, 220 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-3, at a rated operational voltage of 220 V d.c.

ACE469rated operational current, DC-5, 220 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-5, at a rated operational voltage of 220 V d.c.

ACE470rated operational power, DC-3, 220 VREAL_MEASURE_TYPE

value of power of the load that the switching device is intended to control under the conditions of utilization category DC-3 at a rated operational voltage of 220 V d.c.

ACE471rated operational current, AC-21, 400 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-21, at a rated operational voltage of 400 V a.c.

ACE472rated operational current, AC-21, 690 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-21, at a rated operational voltage of 690 V a.c.

ACE473rated operational current, AC-22, 690 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-22, at a rated operational voltage of 690 V a.c.

ACE474rated operational current, AC-23, 690 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-23, at a rated operational voltage of 690 V a.c.

ACE475rated operational voltage, AC-22LEVEL(MAX) OF INT_MEASURE_TYPE

maximum value of the AC voltage at which the switching device is intended to operate under the condition of the utilisation category AC-22

ACE476rated operational current, AC-21, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-21, at a rated operational voltage of 230 V a.c.

ACE477rated operational current, AC-22, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-22, at a rated operational voltage of 230 V a.c.

ACE478rated operational current, AC-23, 230 VREAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category AC-23, at a rated operational voltage of 230 V a.c.

ACE479rated operational current, DC-21REAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-21

ACE480rated operational voltage, DC-21LEVEL(MAX) OF REAL_MEASURE_TYPE

maximum value of the DC voltage at which the switching device is intended to operate under the condition of the utilisation category DC-21

ACE481rated operational current, DC-23REAL_MEASURE_TYPE

value of current at which the switching device is intended to operate, under the conditions of utilization category DC-23

ACE482rated operational voltage, DC-23LEVEL(MAX) OF REAL_MEASURE_TYPE

maximum value of the d.c. voltage at which the switching device is intended to operate under the condition of the utilisation category DC-23

ACE483contact sequenceENUM_STRING_TYPE

relation between the different operator positions versus the status of the association of contact sets in series or parallel operations

ACE739thermal memoryENUM_BOOLEAN_TYPE

ability of an overload protection for which the thermal time/current characteristic is not reset after the interruption of the current

Subclasses#

No subclasses

This class is a leaf — no other classes inherit from it.

Instances (powertype)21#

21 / 21

Metadata#

Source document: IEC 60050-441: 1984, 441-15-02
Version: 2
Revision: 1
Status: Standard
Publisher: IEC
Published in: IEC 62683DB
Responsible committee: IEC TC 121
Change request: C00136
Dates: Original: 2011-03-04
Current version: 2025-06-10
Current revision: 2025-06-10

Full source data#

Every key from the original .xls export, including multilingual variants, status, publisher, committee, and workbook-specific codes.

Raw properties (35 keys from source .xls) — click to expand

C002: C00136
C011: IEC
C012: IEC 62683DB
C016: Standard
C017.de: 1
C017.fr: 1
C017.zh: 1
C018.de: 2017-06-15
C018.fr: 2024-09-04
C018.zh: 2017-09-26
C019.de: DKE, Jürgen Schütz
C019.fr: IEC 121A/WG 17
C019.zh: SAC, Li Hui
MDC_P001_5: 0112/2///62683#ACC014
MDC_P002_1: 2
MDC_P002_2: 1
MDC_P003_0: 2025-06-04
MDC_P003_1: 2011-03-04
MDC_P003_2: 2025-06-10
MDC_P003_3: 2025-06-10
MDC_P004.de: Hauptstromkreis (eines Schaltgeräts)
MDC_P004.en: Main circuit (of a switching device)
MDC_P004.fr: Circuit principal (d'un appareil de connexion)
MDC_P004.zh: （开关电器的）主电路
MDC_P006_1: IEC 60050-441: 1984, 441-15-02
MDC_P006.de: alle leitfähigen Teile eines Schaltgeräts, die zum Stromkreis gehören, der ein- und ausgeschaltet werden soll
MDC_P006.en: all the conductive parts of a switching device included in the circuit which it is designed to close or open
MDC_P006.fr: ensemble des pièces conductrices d'un appareil de connexion insérées dans le circuit qu'il a pour fonction de fermer ou d'ouvrir
MDC_P006.zh: 用于闭合和断开电路的开关电器的所有导电部件。
MDC_P010: 0112/2///62683#ACC010
MDC_P011: ITEM_CLASS
MDC_P012: IEC TC 121
MDC_P014: {0112/2///62683#ACE401,0112/2///62683#ACE424,0112/2///62683#ACE457,0112/2///62683#ACE460,0112/2///62683#ACE440,0112/2///62683#ACE455,0112/2///62683#ACE476,0112/2///62683#ACE472,0112/2///62683#ACE477,0112/2///62683#ACE432,0112/2///62683#ACE473,0112/2///62683#ACE475,0112/2///62683#ACE478,0112/2///62683#ACE435,0112/2///62683#ACE474,0112/2///62683#ACE479,0112/2///62683#ACE480,0112/2///62683#ACE426,0112/2///62683#ACE459,0112/2///62683#ACE481,0112/2///62683#ACE482,0112/2///62683#ACE463,0112/2///62683#ACE413,0112/2///62683#ACE418,0112/2///62683#ACE419,0112/2///62683#ACE443,0112/2///62683#ACE439,0112/2///62683#ACE410,0112/2///62683#ACE453,0112/2///62683#ACE452,0112/2///62683#ACE454,0112/2///62683#ACE438,0112/2///62683#ACE412,0112/2///62683#ACE429,0112/2///62683#ACE434,0112/2///62683#ACE430,0112/2///62683#ACE416,0112/2///62683#ACE417,0112/2///62683#ACE420,0112/2///62683#ACE421,0112/2///62683#ACE414,0112/2///62683#ACE415,0112/2///62683#ACE422,0112/2///62683#ACE423,0112/2///62683#ACE403,0112/2///62683#ACE404,0112/2///62683#ACE442,0112/2///62683#ACE431,0112/2///62683#ACE433,0112/2///62683#ACE405,0112/2///62683#ACE464,0112/2///62683#ACE406,0112/2///62683#ACE402,0112/2///62683#ACE407,0112/2///62683#ACE465,0112/2///62683#ACE408,0112/2///62683#ACE470,0112/2///62683#ACE409,0112/2///62683#ACE466,0112/2///62683#ACE425,0112/2///62683#ACE467,0112/2///62683#ACE427,0112/2///62683#ACE468,0112/2///62683#ACE428,0112/2///62683#ACE469,0112/2///62683#ACE739,0112/2///62683#ACE436,0112/2///62683#ACE437,0112/2///62683#ACE444,0112/2///62683#ACE447,0112/2///62683#ACE450,0112/2///62683#ACE451,0112/2///62683#ACE471,0112/2///62683#ACE445,0112/2///62683#ACE446,0112/2///62683#ACE449,0112/2///62683#ACE456,0112/2///62683#ACE461,0112/2///62683#ACE483}
MDC_P019: false
MDC_P033: {false}

Version history3#

IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.