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1、INTERNATIONAL STANDARD IS0 6952 Second edition 1994-09-01 Fluid power systems and components - Two-pin electrical plug connectors with earth contact - Characteristics and requirements Transmissions hydrauliques et pneumatiques - Connecteurs Blectriques 2r deux broches avec contact de s - the dimensi
2、ons of the pins and earth contact; - the means for fixing the socket to the plug; - the sealing procedure between the plug and the socket; - usage requirements. The electrical plug connector specified in this Inter- national Standard is intended to be used under work- ing conditions where the connec
3、tor cannot be damaged by external action (for example, shock or excessive loading). 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publi- cation, the editions indicated were
4、 valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most re- cent editions of the standards indicated below. Members of IEC and IS0 maintain registers of cur- rently valid Internat
5、ional Standards. IS0 4413: 1979, Hydraulic fluid power - General rules for the application of equipment to transmission and control s ys terns. IS0 4414:1982, Pneumatic fluid power - Rec- ommendations for the application of equipment to transmission and control systems. IS0 559811985, Fluid power sy
6、stems and compo- nents - Vocabulary. IEC 309-l : 1988, Plugs, socket-outlets and couplers for industrial purposes - Part 7: General require- ments. IEC 529:1989, Degrees of protection provided by en- closures I/P Code). 3 Definitions For the purposes of this International Standard, the definitions g
7、iven in IS0 5598 and the following defi- nition apply. 3.1 electrical connector: Two-piece assembly (plug and socket) which, when joined, provides electrical continuity. 4 Connector components The components of the connector are illustrated and identified in figure 1. 1 -,-,- IS0 6952:1994(E) 0 IS0
8、5 Connector characteristics c) temperature of use: - 20 “C to + 125 “C; at el- evated temperatures, the variation of current with temperature is given in figure 2; The connector shall be designed to meet the follow- rng requirements: d) degree of protection after fixing the socket onto the plug: IP
9、65, in accordance with IEC 529; a) voltage: 250 V; e) insulation and dielectric strength: the connector shall meet the requirements stated in IEC 309-I. b) current: 10 A; NOTE 1 If it IS necessary to specify the mechanlcal de- gree of protection, reference should be made to IEC 529. 1 Plug 4 Earth c
10、ontact 2 Socket 5 Screw for fastening 3 Pin 6 Seal 2 Figure 1 - Connector components IO a- 6- 4- 2- I I - 40 -20 0 20 40 60 80 100 1201 140 Ii5 Temperature, C Figure 2 - Variation of current with temperature 0 IS0 IS0 6952:1994(E) 6 Position of pins and earth contact 9 Mechanical protection 6.1 The
11、pins and earth contact shall be fitted on the A cover plate shall be provided to protect the electrical Plug- plug specified in this International Standard when the socket has been removed. The cover plate may be 6.2 The earth contact shall be fixed in such a way that earth connection is ensured bef
12、ore current enters the pins. made of plastic or similar material. 10 Usage 6.3 The position, dimensions and marking infor- 10.1 The connector shall not be used to interrupt mation of pins and the earth contact shall comply with the current. It shall be connected or disconnected only figure 3. after
13、the electricity has been switched off. 7 Fixing the socket on to the plug An M3 screw shall be used to fix the socket on to the plug in accordance with figure3a). 10.2 Connectors or leads in installations in which incorrect connection is possible shall be permanently identified according to the actu
14、ator identification re- quirements given in IS0 4413 and IS0 4414. 8 Socket/plug tightness 8.1 A flat seal shall be provided on the plug to pro- tect against dust and fluid (IP 65) in the socket/plug assembly. 8.2 The seal shall be fitted on the socket to suit the overall dimension requirements indi
15、cated in figure 4. 8.3 Alternative seal profiles within the dimensions of figure 4 are possible. 11 Identification statement (Reference to this international Standard) Use the following statement in test reports, cata- logues and sales literature when electing to comply with this International Stand
16、ard: ” Electrical plug connector conforms to IS0 6952:1994, Fluid power systems and compo- nents - Two-pin electrical plug connectors with earth contact - Characteristics and requirements. ” 3 -,-,- IS0 6952: 1994(E) 0 IS0 Dimensions In miliimetres l-4 5 min. B 2 -“o.l 10 -00.4 +O,l 1.65 0 , , 1_7.3
17、 maxd cl 0 IO -0.2 a) Position and marking of pins and earth contact max. +O,l 1.65 0 45 -s 30 / b) Pin dimensions 4 c) Earth contact dimensions Figure 3 - Connector details Q IS0 Seal overlap beyond socket - t - - - - ! i 18 max.” 20.5 min.” i I) Maximum dimensions of the plug. 2) Minimum dimension
18、s of the socket. IS0 6952:1994(E) Dimensions in millimetres Figure 4 - Overall dimensions 5 IS0 6952:1994(E) Q IS0 ICS 23.100.30 Descriptors: hydraulic fluid power, pneumatic fluid power, hydraulic equipment, pneumatic equipment, electrical control units, connecting equipment, connector plugs, specifications, dimensions, characteristics. Pnce based on 5 pages