● The NR series features compact multi-core metal connectors with zinc die cast materials used for the shell.
● Secure connectors used for a wide variety of applications from power supply to signals.
● There are 3 types of connectors: Straight connectors for cable mounting, relay connectors, and panel mount connectors for panel mounting.
● Because all these connectors are connected by soldering, no dedicated tool is required for wiring.
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NR Straight Plug (One-touch Lock) (NR-20-3-PF)
- Volume Discount
[Features]This is a single-action lock type straight plug manufactured by Nanaboshi Electric Mfg. A single-action NR connector developed from NJC series. Easy to attach/remove, a secure single-action lock type. Smooth mating with a 5-key guide. Made of die-cast, it is robust and lightweight.
- For Power Supply
- For Signal
- Connection between Boards
● Easy to detach/attach, firm one-touch lock system.
● 5 key model guides for smooth mating.
● Robust and lightweight thanks to die-casting.
· Mating counterparts are relays or panel mount receptacles.
· Connecting is only possible with fellow NR connectors.
(Not possible to connect with NJC)
· Does not support key position changes.
Part Number
Configured Part Number is shown.
NR-20-3-PF
Specifications
| Model | Shell Size | Number of Cores | Shape Symbol |
| NR | 20 | 2 | PF Female (Socket) |
| 3 | |||
| 4 | |||
| 5 | |||
| 7 | |||
| 12 | |||
| 2 | PM Male (Pin) | ||
| 3 | |||
| 4 | |||
| 5 | |||
| 7 | |||
| 12 | |||
| 24 | 2 | PF Female (Socket) | |
| 3 | |||
| 4 | |||
| 5 | |||
| 10 | |||
| 14 | |||
| 16 | |||
| 2 | PM Male (Pin) | ||
| 3 | |||
| 4 | |||
| 5 | |||
| 10 | |||
| 14 | |||
| 16 |
More Information
| Part Number |
|---|
| NR-20-3-PF |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Applicable pin/contact | Number Of Pins | Allowable Current (A) | Shell size |
|---|---|---|---|---|---|---|---|---|---|
SGD 19.41 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Female (socket) | 3 | 15 | 20 |
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Common Specifications
Materials / Finish
| Item | Materials | Finish |
|---|---|---|
| Shell / Dustproof Cap | Zinc Alloy | Satin Chrome-plated |
| Aluminum Alloy (Shell Size 28 ) | ||
| Insulator | Synthetic Resin | - |
| Contact | Copper Alloy | Silver Plating |
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 | Shape Symbol | 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 | ||||||||||
| NR | 20 | 2, 3 | PF, RM, ADM |
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 | ||||||
| 20 | 2, 3 | PM, RF, ADF |
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 | PF, RM, ADM |
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 | ||||||
| 24 | 2, 3 | PM, RF, ADF |
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 | ||||||
Contact Arrangement Diagram
One-Touch Medium Type Metal (NR)
Features
Combination Method
Connection Work Method
Basic Information
| Connector Shape | Circular Type | Connector series initials | M・N・O | M·N·O | NR |
|---|---|---|---|---|---|
| Application | Cable to cable | Allowable Voltage(V) | 250 | Wire connection method | Solder |
| Connection direction | Straight | Protection function (environmentally resistant) | None | Removal method | One-touch |
Please check the type/dimensions/specifications of the part NR-20-3-PF in the NR Straight Plug (One-touch Lock) series.
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Similar Part Numbers
| Part Number |
|---|
| NR-20-12-PM |
| NR-20-2-PF |
| NR-20-2-PM |
| NR-20-3-PM |
| NR-20-4-PF |
| NR-20-4-PM |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Applicable pin/contact | Number Of Pins | Allowable Current (A) | Shell size |
|---|---|---|---|---|---|---|---|---|---|
SGD 25.35 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Male (plug) | 12 | 5 | 20 | |
SGD 18.70 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Female (socket) | 2 | 15 | 20 | |
SGD 17.83 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Male (plug) | 2 | 15 | 20 | |
SGD 18.54 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Male (plug) | 3 | 15 | 20 | |
SGD 20.28 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Female (socket) | 4 | 10 | 20 | |
SGD 19.41 | 1 Piece(s) | Available | 4 Day(s) or more | 10 | Male (plug) | 4 | 10 | 20 |
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