Nanaboshi NJW-204-PM12 Circular Connector

An NJW Series medium-size round connector with IP67 equivalent water resistance.


・Waterproof connectors based on NJC Series.

・As with NJC Series, a wide variety of types available.

・Proven performance in outdoor installations such as surveillance cameras, construction machines and outdoor measuring equipment.



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
WaterproofWaterproof connector【 Waterproof function equivalent to IP-67 when coupled 】
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○ UL・CSA standard certified connectors available. (UL : UL1977 CSA : C22.2 No.182.3 )
Note: The specifications of saftey 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 ( p.128 ).

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.


Package : NJW_PM

Shell size : Dia 20

• Number of Pins : 4 pole

· Form of connector : Plug

Shape : Plug

Shin reverse / core : Inverse

Positive Male / female : Male

Terminals : Solder Terminals

Ratings and : 250V-10A

Surface treatment and : Silver plating, gold plating

Voltage and resistance : (Min 1) 1.5KV

Insulation resistance : 2000MΩ (DC500V)

· Contact resistance : Less than 3mΩ (DC1A)

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