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Multi-Purpose Circular Waterproof Connector, RM-W Series
This is a RM series waterproof connector. A waterproof function has been added, while maintaining the features of the conventional product.
Japanese Only
Part Number
Configured Part Number is shown.
Main Features of RM-W Series Multi-Purpose Circular Waterproof Connectors
The RM-W series features a threaded coupling type lock mechanism that provides reliable waterproof performance
Assembly type (straight plug / RM15W)
Assembly type (right-angle plug / RM15W)
1. Abundant variations
The RM-W series features a wide variety of plugs and receptacles, enabling you to find the ideal product for the given application.
Three types of plugs are available: straight type, straight low-profile type and right-angle type.
A single-unit, waterproof type receptacle is available in which the connector itself is waterproof.
The screw-fastening type is available either as a front mounting type or a back mounting type.
Available number of contacts: 2, 3, 4, 8, 10, 12, 15, 20, 40, 55. Two types of contact plating are available: gold plating and silver plating.
2. Waterproof structure
Meets IP68 standards for waterproof performance when mated. Also, the single unit waterproof receptacle features IP68-class waterproof performance.
3. Flexible cable arrangement
With the assembly type right-angle plug, the cable can be pulled out in any direction (360° range.)
Product Standards
RM15WT Size Products
| Rating | Rated voltage | 600 V AC, 840 V DC (2-contact) 500 V AC, 700 V DC (3-, 4-, 8-contact) 350 V AC, 490 V DC (10-contact) 350 V AC, 490 V DC (12-contact) |
|---|---|---|
| Rated Current | 10 A (2-, 3-, 4-contact) 5 A (8-, 10-, 12-contact) | |
| Operating temperature range (Note 1) | -25°C to +85°C | |
| Storage temperature range (Note 2) | -10°C to +60°C |
| Item | Standard | Conditions | |
|---|---|---|---|
| 1. Contact resistance | 2-, 3-, 4-contacts: 2 mΩ or less, 8-, 10-, 12-contacts: 4 mΩ or less | Measure at 1 A DC | |
| 2. Insulation resistance: | 1,000 MΩ or more | Measure at 500 V DC | |
| 3. Withstand voltage | There shall be no flashover or dielectric breakdown | 2-contacts: 1,800 V AC 3-contacts: 2,000 V AC 4-, 8-contacts: 1,500 V AC 10-, 12-contacts: 1,000 V AC | Apply for 1 min. |
| 4. Vibration resistance | There shall be no electrical discontinuity for 10 μs or greater | Test at frequency 10 to 55 to 10 Hz for 1 cycle and at half-amplitude of 0.75 mm in three directions for 10 cycles | |
| 5. Shock | There shall be no electrical discontinuity for 10 μs or greater | Test at acceleration of 490 m/s2, duration of 11 ms with sine half waveform in 6 directions, 3 times each | |
| 6. Mating cycle | 2-, 3-, 4-contacts: 4 mΩ or less, 8-, 10-, 12-contacts: 8 mΩ or less | Measure contact resistance after 2,000 operations | |
| 7. Temperature cycle | 100 MΩ or more | Test at -55°C: 30 mins. > Room temperature: 10 to 15 mins. > +85°C: 30 mins.> Room temperature: 10 to 15 mins for 5 cycles. | |
| 8. Humidity resistance (steady state) | 100 MΩ or more (when dry) | Measure insulation resistance after leaving at a temperature of 40°C and humidity of 90 to 95% for 96 hours | |
| 9. Waterproofing | No water penetration inside connector | Leave at water depth of 1.8 m for 48 hours while mated with the connector. | |
(Note 1) The operating temperature range includes temperature increases caused by the flow of current.
(Note 2) The storage temperature range refers to the long-term storage of unused products that have not undergone termination. The operating temperature and humidity range are applicable in a non-energized state after termination.
RM21WT to RM31WT Size Products
| Rating | Rated voltage | 600 V AC, 840 V DC (40-contacts) 500 V AC, 700 V DC (15-contacts, 55-contacts) 350 V AC, 490 V DC (20-contacts) |
|---|---|---|
| Rated Current | 5 A | |
| Operating temperature range (Note 1) | -25°C to +85°C | |
| Storage temperature range (Note 2) | -10℃ to +60℃ |
| Item | Standard | Conditions | |
|---|---|---|---|
| 1. Contact resistance | 4 mΩ or less | Measure at 1 A DC | |
| 2. Insulation resistance: | 1,000 MΩ or more | Measure at 500 V DC | |
| 3. Withstand voltage | There shall be no flashover or dielectric breakdown | 40-contacts: 1,800 V AC 15-, 55-contacts: 1,500 V AC 20-contacts: 1,000 V AC | Apply for 1 min. |
| 4. Vibration resistance | There shall be no electrical discontinuity for 10 μs or greater | Test at frequency 10 to 55 to 10 Hz for 1 cycle and at half-amplitude of 0.75 mm in three directions for 10 cycles | |
| 5. Shock | There shall be no electrical discontinuity for 10 μs or greater | Test at acceleration of 490 m/s2, duration of 11 ms with sine half waveform in 6 directions, 3 times each | |
| 6. Mating cycle | 8 mΩ or less | Measure contact resistance after 2,000 operations | |
| 7. Temperature cycle | 100 MΩ or more | Test at -55°C: 30 mins. > Room temperature: 10 to 15 mins. > +85°C: 30 mins.> Room temperature: 10 to 15 mins for 5 cycles. | |
| 8. Humidity resistance (steady state) | 100 MΩ or more (when dry) | Measure insulation resistance after leaving at a temperature of 40°C and humidity of 90 to 95% for 96 hours | |
| 9. Waterproofing | No water penetration inside connector | Leave at water depth of 1.8 m for 48 hours while mated with the connector. | |
(Note 1) The operating temperature range includes temperature increases caused by the flow of current.
(Note 2) The storage temperature range for the above standards refers to the long-term storage of unused products that have not undergone termination. The operating temperature and humidity range are applicable in a non-energized state after termination.
Product Materials/Processing
RM15WT Size Products
| Item | Materials | Finish | Note |
|---|---|---|---|
| Exterior | Zinc alloy, brass | Chromium plating or nickel plating | - |
| Insulator | Diallylphthalate resin | - | UL94V-0, (black) |
| Contacts | Brass, phosphor bronze, or copper alloy | Silver plating or gold plating | - |
| Gasket | SIR (black or red) or NBR (gray) | - | - |
Materials/Finish
(Note) Do not mix different contact platings (e.g. don't combine gold and silver platings.)
RM21WT to RM31WT Size Products
| Item | Materials | Finish | Note |
|---|---|---|---|
| Exterior | Brass | Chromium plating or nickel plating | - |
| Insulator | Diallylphthalate resin | - | UL94V-0, (black) |
| Contacts | Brass or copper alloy | Silver plating | - |
| Gasket | Chloroprene rubber or SIR | - | (Black) |
Materials/Finish
(Note) Do not mix different contact platings (e.g. Do not combine gold and silver platings.)
Connector Usage Precautions
- 1. Make sure the power is off before mating or un-mating the connector.
- 2. Use connectors with socket (female) contacts at the power side of the circuit.
- 3. Make sure that the coupling is in the completely locked position (fully tightened state.)
- 4. Always use the correct plug / receptacle to assure water protection.
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Applicable pin/contact | Number Of Pins | Connector Type | Rated Current (A) | Allowable Voltage (V) | Wiring Method | Connection direction | Shell Size | Plating of part touching terminal | Product Category | Specifications | Features | Conforming cable outer diameter (mm) | Special Notes | Mating partner 1 | Mating partner 2 | Mating partner 3 | Mating partner 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 19.92 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM15WTPZA / For RM21WTPS | Screw tightening | φ6 | - | - | - | - | - | ||
SGD 12.04 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM15WTPZA / For RM21WTPS | Screw tightening | φ10 | - | - | - | - | - | ||
SGD 12.15 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM15WTPZA / For RM21WTPS | Screw tightening | φ11 | - | - | - | - | - | ||
SGD 12.04 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM15WTPZA / For RM21WTPS | Screw tightening | φ12 | - | - | - | - | - | ||
SGD 7.44 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM15WTPZA | Without screw | φ8 | - | - | - | - | - | ||
SGD 5.16 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM12WBP | NA | φ4 | - | - | - | - | - | ||
SGD 7.10 | 1 Piece(s) | 4 Day(s) or more | 10 | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM12WBP | NA | φ5 | - | - | - | - | - | ||
SGD 5.25 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM12WBP | NA | φ6 | - | - | - | - | - | ||
SGD 5.25 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM12WBP | NA | φ7 | - | - | - | - | - | ||
SGD 17.76 | 1 Piece(s) | 4 Day(s) or more | - | Female | 4 | Panel Mount | 5 | - | Solder | Straight | 12 | Silver | Receptacle | NA | NA | - | - | RM12WBP-4P(71) | - | - | - | ||
SGD 17.87 | 1 Piece(s) | 4 Day(s) or more | - | Male | 3 | Cable Connection | 10 | AC500、DC700 | Solder | Straight | 15 | Silver | Plug | Low Profile | NA | - | - | RM15WTRZ-3S(71) | RM15WTRZA-3S(71) | RM15WTRZB-3S(71) | - | ||
SGD 23.64 | 1 Piece(s) | 4 Day(s) or more | - | Female | 3 | Cable Connection | 10 | AC500、DC700 | Solder | Straight | 15 | Silver | Plug | Low Profile | NA | - | - | RM15WTRZ-3P(71) | RM15WTRZA-3P(71) | RM15WTRZB-3P(71) | RM15WTRZB-3PA(71) | ||
SGD 19.13 | 1 Piece(s) | 4 Day(s) or more | - | Male | 3 | Cable Connection | 10 | AC500、DC700 | Solder | Straight | 15 | Gold | Plug | NA | NA | - | Rated voltage details: 500 VAC, 700 VDC | RM15WTRZ-3S(72) | RM15WTRZA-3S(72) | RM15WTRZB-3S(72) | - | ||
SGD 16.35 | 1 Piece(s) | 4 Day(s) or more | - | Male | 3 | Panel Mount | 10 | AC500、DC700 | Solder | Straight | 15 | Silver | Receptacle | Front Mount | Nut tightening | - | - | RM15WTPZ-3S(71) | RM15WTPZA-3S(71) | - | - | ||
SGD 12.56 | 1 Piece(s) | 4 Day(s) or more | - | Male | 8 | Panel Mount | 5 | AC500、DC700 | Solder | Straight | 15 | Silver | Receptacle | Front Mount | Nut tightening | - | - | RM15WTPZ-8S(71) | RM15WTPZA-8S(71) | - | - | ||
SGD 30.65 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM21WTP / For RM24WTP / For RM31WTP | Screw tightening | φ10 | - | - | - | - | - | ||
SGD 11.97 | 1 Piece(s) | 4 Day(s) or more | 10 | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM21WTP / For RM21WTPS | Without screw | φ8 | - | - | - | - | - | ||
SGD 8.75 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM21WTP / For RM21WTPS | Without screw | φ10 | - | - | - | - | - | ||
SGD 15.60 | 1 Piece(s) | 4 Day(s) or more | - | - | - | - | - | - | - | - | NA | No terminal | Cord clamp | For RM21WTP / For RM21WTPS | Without screw | φ12 | - | - | - | - | - |
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Basic Information
| Connector Shape | Round shape | Connector series initials | P/Q/R | P/Q/R | RM |
|---|---|---|---|---|---|
| Protection function (environmentally resistant) | IP67 | Operating Temperature Range(°C) | -25 to +85 |
Specification/Dimensions
-
Applicable pin/contact
- Male
- Female
-
Number Of Pins
-
Connector Type
- Cable Connection
- Panel Mount
-
Rated Current(A)
-
Allowable Voltage(V)
-
Wiring Method
- Solder
-
Connection direction
- Straight
-
Shell Size
-
Plating of part touching terminal
- Gold
- No terminal
- Silver
-
Product Category
- Cord clamp
- Plug
- Receptacle
-
Specifications
- For RM12WBP
- For RM15WTPZA
- For RM21WTP
- For RM21WTPS
- For RM24WTP
- For RM31WTP
- Front Mount
- Low Profile
- NA
-
Features
- NA
- Nut tightening
- Screw tightening
- Without screw
-
Conforming cable outer diameter(mm)
- φ4
- φ5
- φ6
- φ7
- φ8
- φ10
- φ11
- φ12
Days to Ship
-
- All
- 4 Day(s) or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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