Nanaboshi NJC-207-PM Circular Connector

The NJC series achieves smooth connection with a robust die-cast shell and a five-key guide approach.


・Connectors designed in accordance with JIS C 5432.

・A large selection of products with a large number of derivatives added.

・A variety of products certified by safety standards having proven performance in a wide range of applications including semiconductor equipment and various measuring instruments.



NANABOSHI CO., LTD. installs and maintains industrial plant facilities. The Company constructs boilers, turbines, and environmental equipment in thermal power plants. Nanaboshi also installs power generation, fire fighting, and air-conditioning facilities in steel, chemical, and petroleum plants. Additionally, the Company builds sewage facilities and incinerators.


RoHSRoHS Directive compliant
Lock methodThread lock
Features of mechanism/ 


○ Die cast shell with zinc alloy or aluminum alloy.
○ Smooth coupling thanks to employment of 5-key system guide.
○ Installation in a small space enabled by use of the L za.
Standards○ JIS C 5432 compliant connectors available.
○ UL・CSA standard certified connectors available. (UL : UL1977 CSA : C22.2 No.182.3 )
○ Safety standard certified connectors available. ( EN61984 compliant, TÜV certified )
Note: The specifications of safety standard certified products are slightly different from those of standard products. For the rated voltage, current and 

cable conductor cross sectional area, refer to A List of Standards Acquired ( pp.127 and 130 ).

Cable terminationSoldering


Safety :
Connectors provide reliable electrical connection.
Connectors ensure proper wiring.

Operability :
Connectors are repetitively detachable and attachable.
Connectors make equipment-to-equipment connection easy.

Economy :

Connectors enable the unitization of devices.
Connectors facilitate maintenance and inspection.
Connectors shorten work time.


Connector ShapeRoundConnector series initialsM·N·O
Series starting with M, N, ONJCApplicable pin/contactMale
Number Of Pins7ApplicationCable Connection
Allowable Current(A)10Allowable Voltage(V)250
Wire connection methodSolderConnection directionStraight
Protection function (environmentally resistant)NARepresentative Standard

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