NJC Straight/Relay/Panel Mountable Connector Harness

Caution
Product Description
A harness with an NJC connector from NANABOSHI ELECTRIC MFG. Co., LTD. Lightweight and strong specifications for a wide range of applications including power supply and signaling, etc.

●A aluminum die cast cable with connector that is lightweight, strong and compact.
●A popular item, especially among round cables.

·Straight plugs cannot be mated with one another. Use a panel mount receptacle or a cable for relays when setting up a relay.
·Shield is connected in the shell of the connector.
Wiring and Wire Color Page
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Component Page
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Specifications

| Specified Length (m) | ~ 0.9 | 1 ~ 4 | 4.1 ~ 50 |
| Tolerance | +20 mm | +50 mm | + 3% of Specified Length |
| Connector Type | Shape Specification Type | Outline Image Drawing (Unit: mm) | Shell Size | Number of Cores (Cable Electric Wire Size) | Cable Type | Specified Length (m) |
| RNJC (NJC Series) Nanaboshi Electric Mfg.Co,Ltd. | PF (Female / Cut Off) PM (Male / Cut Off) RF (Female Panel Mount / Cut Off) RM (Male Panel Mount / Cut Off) ADF (Female Relay / Cut Off) ADM (Male Relay / Cut Off) | ![]() | 16 | 3 (1.25 mm2) | ![]() | 0.2 ~ 50 Can be specified by 0.1m increments |
| 5 (0.5 mm2) | ||||||
| 20 | 3 (2 mm2) | |||||
| 4 (1.25 mm2) | ||||||
| 5 (1.25 mm2) | ||||||
| 7 (1.25 mm2) | ||||||
| 12 (0.5 mm2) | ||||||
| 24 | 4 (2 mm2) | |||||
| 5 (2 mm2) | ||||||
| 10 (1.25 mm2) | ||||||
| 14 (0.5 mm2) | ||||||
| 16 (0.5 mm2) | ||||||
| 28 | 16 (1.25 mm2) | |||||
| 24 (0.5 mm2) | ||||||
| PFT (Female / Pin No. Insertion Mark Tube) PMT (Male / Pin No. Insertion Mark Tube) RFT (Female Panel Mount / Pin No. Insertion Mark Tube) RMT (Male Panel Mount / Pin No. Insertion Mark Tube) ADFT (Female Relay / Pin No. Insertion Mark Tube) ADMT (Male Relay / Pin No. Insertion Mark Tube) | ![]() | 16 | 3 (1.25 mm2) | |||
| 5 (0.5 mm2) | ||||||
| 20 | 3 (2 mm2) | |||||
| 4 (1.25 mm2) | ||||||
| 5 (1.25 mm2) | ||||||
| 7 (1.25 mm2) | ||||||
| 12 (0.5 mm2) | ||||||
| 24 | 4 (2 mm2) | |||||
| 5 (2 mm2) | ||||||
| 10 (1.25 mm2) | ||||||
| 14 (0.5 mm2) | ||||||
| 16 (0.5 mm2) | ||||||
| 28 | 16 (1.25 mm2) | |||||
| 24 (0.5 mm2) | ||||||
| PFY (Female / Y Terminal) PMY (Male / Y Terminal) RFY (Female Panel Mount / Y Terminal) RMY (Male Panel Mount / Y Terminal) ADFY (Female Relay / Y Terminal) ADMY (Male Relay / Y Terminal) | ![]() | 16 | 3 (1.25 mm2) | |||
| 5 (0.5 mm2) | ||||||
| 20 | 3 (2 mm2) | |||||
| 4 (1.25 mm2) | ||||||
| 5 (1.25 mm2) | ||||||
| 7 (1.25 mm2) | ||||||
| 12 (0.5 mm2) | ||||||
| 24 | 4 (2 mm2) | |||||
| 5 (2 mm2) | ||||||
| 10 (1.25 mm2) | ||||||
| 14 (0.5 mm2) | ||||||
| 16 (0.5 mm2) | ||||||
| 28 | 16 (1.25 mm2) | |||||
| 24 (0.5 mm2) |
| Connector Type | Shape Specification Type | Outline Image Drawing (Unit: mm) | Shell Size | Number of Cores (Cable Electric Wire Size) | Cable Type | Specified Length (m) |
| RNJC (NJC Series) Nanaboshi Electric Mfg.Co,Ltd. | PFR (Female / Round Terminal) PMR (Male / Round Terminal) RFR (Female Panel Mount / Round Terminal) RMR (Male Panel Mount / Round Terminal) ADFR (Female Relay / Round Terminal) ADMR (Male Relay / Round Terminal) | ![]() | 16 | 3 (1.25 mm2) | ![]() | 0.2 ~ 50 Can be specified by 0.1m increments |
| 5 (0.5 mm2) | ||||||
| 20 | 3 (2 mm2) | |||||
| 4 (1.25 mm2) | ||||||
| 5 (1.25 mm2) | ||||||
| 7 (1.25 mm2) | ||||||
| 12 (0.5 mm2) | ||||||
| 24 | 4 (2 mm2) | |||||
| 5 (2 mm2) | ||||||
| 10 (1.25 mm2) | ||||||
| 14 (0.5 mm2) | ||||||
| 16 (0.5 mm2) | ||||||
| 28 | 16 (1.25 mm2) | |||||
| 24 (0.5 mm2) | ||||||
| PFPF (Female / Female) PFPM (Female / Male) PMPM (Male / Male) ADFPF (Relay Female / Female) ADFPM (Relay Female / Male) ADMPF (Male Relay / Female) ADMPM (Male Relay / Male) ADFADF (Relay Female /Relay Female) ADMADM (Male Relay / Male Relay) | ![]() | 16 | 3 (1.25 mm2) | |||
| 5 (0.5 mm2) | ||||||
| 20 | 3 (2 mm2) | |||||
| 4 (1.25 mm2) | ||||||
| 5 (1.25 mm2) | ||||||
| 7 (1.25 mm2) | ||||||
| 12 (0.5 mm2) | ||||||
| 24 | 4 (2 mm2) | |||||
| 5 (2 mm2) | ||||||
| 10 (1.25 mm2) | ||||||
| 14 (0.5 mm2) | ||||||
| 16 (0.5 mm2) | ||||||
| 28 | 16 (1.25 mm2) | |||||
| 24 (0.5 mm2) |
| Shape Specification Type | Shell Size | Number of Cores |
| PF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PFT | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PMT | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RFT | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RMT | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADFT | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADMT | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PFY | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PMY | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RFY | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RMY | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADFY | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADMY | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PFR | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PMR | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RFR | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| RMR | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADFR | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADMR | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 |
| Shape Specification Type | Shell Size | Number of Cores |
| PFPF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PFPM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| PMPM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADFPF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADFPM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADMPF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADMPM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADFADF | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 | ||
| ADMADM | 16 | 3 |
| 5 | ||
| 20 | 3 | |
| 4 | ||
| 5 | ||
| 7 | ||
| 12 | ||
| 24 | 4 | |
| 5 | ||
| 10 | ||
| 14 | ||
| 16 | ||
| 28 | 16 | |
| 24 |

JIS Standard Medium-sized Connector (NJC)
Features
● It has acquired the PSE mark (Electrical Appliance and Material Safety Act Compliant) and can be used widely from power supply to signal transmission.● It is a JIS C 5432 compliant product and can be coupled with other companies' products that conform to the same standard.
● There are 3 types of connectors: Straight, relay, and panel mount connectors.
● Because all these connectors are connected by soldering, no dedicated tool is required for wiring.
JIS C 5432 Compatible Series Names of Other Manufacturers
| Manufacturer Name | Series Name |
|---|---|
| Nanaboshi Electric Mfg. Co, Ltd. | NJC Series |
| Japan Aviation Electronics Industry, Ltd. | SRCN Series |
| Hirose Electric Co., Ltd. | JR Series |
| TAJIMI ELECTRONICS CO., LTD. | TRC01 Series |
| Sanwa Denki Kogyo Co., Ltd. | SNS16 Series (3-core, 5-core) |
| ITT Cannon Corporation | JC Series |
| DDK Ltd. | JM Series |
| Misumi Inc. | MJC Series |
Notation standards of shell sizes are different depending on the manufacturer.
Common Specifications
Material / Finish
| Item | Materials | Finish |
|---|---|---|
| Shell / Dustproof Cap | Zinc Alloy | Satin chrome-plated (NJC) Chrome-plated (MJC) |
| Aluminum Alloy (Shell Size 28) | ||
| Insulator | Synthetic Resin | ー |
| Contact | Copper Alloy | Silver-plated (NJC) Gold-plated (MJC) |
Characteristics
| Item | Characteristics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Current | See table below | |||||||||||||||||||
| Rated Voltage | See table below | |||||||||||||||||||
| Withstand Voltage | No abnormality such as short circuiting occurs when regulated voltage is applied for 1 minute between immediately adjacent conductors. | |||||||||||||||||||
| Insulation Resistance | 1,000 MΩ or higher when measured between immediately adjacent conductors with regulated voltage. | |||||||||||||||||||
| Contact Resistance | Conductor resistance is 5 mΩ or less when a pair of contacts are connected at up to the regulation length. | |||||||||||||||||||
| Vibration Resistance | No functional defect was found during the JIS C 5025 vibration test. Contact resistance is 5 mΩ or less. | |||||||||||||||||||
| Impact Resistance | No functional defect was found during the JIS C 5026 shock test. Contact resistance is 5 mΩ or less. | |||||||||||||||||||
| Repeated Operation | No functional defect was found when a removal and insertion sequence was tested 500 times. Contact resistance is 5 mΩ or less. | |||||||||||||||||||
| Humidity Resistance | No functional defect was found during the JIS C 5023 humidity test. Insulation resistance is 100 MΩ or higher. | |||||||||||||||||||
| Temperature Cycle | No functional defect was found during the JIS C 5030 temperature cycle test. | |||||||||||||||||||
| Corrosion Resistance | No functional defect was found during the JIS C 5028 salt water spray test. Contact resistance is 5 mΩ or less. | |||||||||||||||||||
| Allowable Operating Temperature Range |
|
| Product No. | Shell Size | Number of Cores | Rated Current (A or less) | Rated Voltage (V or less) | Withstand Voltage AC (V) | Insulation Resistance (MΩ or higher) | Contact Resistance (mΩ or less) | Compatible Wire Size | Applicable Electric Wire Finished Outer Diameter (mm) | |
|---|---|---|---|---|---|---|---|---|---|---|
| AWG | Conductor Section Area mm2 | |||||||||
| NJC | 16 | 3 | 10 | 125 | 1,500 | 2,000 | 3 | 16 | 1.25 | 7.0 ~ 8.5 |
| 5 | 5 | 1,000 | 1,000 | 5 | 20 | 0.5 | ||||
| NJC/MJC | 20 | 2,3 | 15 | 250 | 1,500 | 2,000 | 3 | 14 | 2 | 10.0 ~ 12.5 |
| 4,5 | 10 | 16 | 1.25 | |||||||
| 7 | 1,000 | |||||||||
| 12 | 5 | 1,000 | 5 | 20 | 0.5 | |||||
| 24 | 2,3 | 20 | 250 | 1,500 | 5,000 | 3 | 12 | 3.5 | 11.5 ~ 14.0 | |
| 4,5 | 15 | 14 | 2 | |||||||
| 10 | 10 | 1,000 | 2,000 | 16 | 1.25 | |||||
| 14, 16 | 5 | 1,000 | 5 | 20 | 0.5 | |||||
| 28 | 16 | 10 | 250 | 1,000 | 2,000 | 3 | 16 | 1.25 | 13.6 ~ 16.5 | |
| 24 | 5 | 1,000 | 5 | 20 | 0.5 | |||||
Contact Arrangement Diagram


Connection Work Method





