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MR Extension Hooded Connector
MR Hood for Relaying
● It can be used to relay with connector with straight hood or vertical and horizontal combined hood.
● It is compatible with both the screw lock and one-touch lock.
● It can be used in common with the male (pin) and female (socket) of the MR connector.
· It cannot be used for purposes other than relaying.
· It does not allow coupling between relay hoods.
· This product is not waterproof.
· Select the used wire upon checking the cable extraction port size.
· Use with the fixing bracket (MR-R4+).
Japanese Only
Part Number
Configured Part Number is shown.
Specifications
| Model | Number of Cores | Type | Weight (g) |
| MR-8LK2+ | 8 | Hood for Relay | 11.3 |
| MR-16LK2+ | 16 | 12.0 | |
| MR-20LK2+ | 20 | 12.0 | |
| MR-25LK2+ | 25 | 14.6 | |
| MR-34LK2+ | 34 | 16.0 | |
| MR-50LK2+ | 50 | 21.0 |
More Information
| Part Number |
|---|
| MR-8LK2+ |
| MR-16LK2+ |
| MR-20LK2+ |
| MR-25LK2+ |
| MR-34LK2+ |
| MR-50LK2+ |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Number of Pins | Number of cores (Core) |
|---|---|---|---|---|---|---|---|
SGD 11.28 | 1 Piece(s) | 4 Day(s) or more | 10 | 8 | 8 | ||
SGD 7.31 | 1 Piece(s) | 4 Day(s) or more | 10 | 16 | 16 | ||
SGD 7.47 | 1 Piece(s) | 4 Day(s) or more | 10 | 20 | 20 | ||
SGD 9.57 | 1 Piece(s) | 4 Day(s) or more | 10 | 25 | 25 | ||
SGD 10.77 | 1 Piece(s) | 4 Day(s) or more | 10 | 34 | 34 | ||
SGD 9.39 | 1 Piece(s) | 4 Day(s) or more | 10 | 50 | 50 |
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Material / Finish
| Item | Materials | Finish |
|---|---|---|
| Insulator | Diallyl Phthalate Resin | Blue |
| Male Contact | Brass | Silver Plating |
| Female Contact | Phosphor Bronze | Silver Plating |
| Hood | ABS Resin | Gray |
| Spring-lock | Stainless Steel | - |
| Fixing Bracket | Zinc Die-cast | Zinc Uni-chrome Plated |
Connector x Hood Combination Table
| Hood Connector |
Straight | For Vertical and Horizontal Dual-use | Straight Relay | |
|---|---|---|---|---|
| MR- * L+ | MR- * LW+ | MR- * LK2+ | ||
| Male | ○ | ○ | ○ | |
| Female | ○ | ○ | ○ | |
Hood x Hood Combination Chart
| Hood | Straight | For Vertical and Horizontal Dual-use | Straight Relay | |
|---|---|---|---|---|
| MR- * L+ | MR- * LW+ | MR- * LK2+ | ||
| Straight | MR- * L+ | x | x | ○ |
| For Vertical and Horizontal Dual-use | MR- * LW+ | x | x | ○ |
| Straight Relay | MR- * LK2+ | ○ | ○ | x |
・Connectors can be coupled if they have the same core numbers and are a combination of male <--> female.
Contact Arrangement ◆Male (Pin)
* Female (socket) would have the right and left reversed. (View from the connector cable connection side.)
Compatible Wire
| AWG | mm2 | |
|---|---|---|
| Size | 28 ~ 24 | 0.08 ~ 0.2 |
(Please make sure that the finished OD of the cable is equal to or smaller than the cable clamp ID of the hood)
Electrical Properties
| Item | Characteristics | Conditions |
|---|---|---|
| Rated Current | 3 A or less | Allowable current of single contact after coupling |
| Rated Voltage | 300 VAC or less | Allowable voltage within operating temperature range |
| Contact Resistance | 5 mΩ or less | Measured at 1 ADC |
| Insulation Resistance | 1,000 MΩ or more | Measured at 500 VDC |
| Withstand Voltage | 1,000 VAC | No insulation breakdown after 1 min of application |
| Operating Temperature Range | -40°C ~ +105°C | - |
Mechanical Properties
| Item | Characteristics | Conditions |
|---|---|---|
| Extraction Force Per Single Core | Insertion Force: 300 g or less, Extraction Force: 50 g or more | 0.6±0.01 measured with flat steel gauge |
| Vibration Resistance | No cracks or looseness after testing | Tested at 1.5 mm Amplitude, 10 Hz ~ 55 Hz Vibration Frequency, Acceleration Speed of 15 G |
| Impact Resistance | No abnormalities or cracks in any parts | Tested at Acceleration Speed of 50 G |
| Insertion and Removal Durability | Contact resistance is 10 mΩ /1 ADC | Measured after being inserted/extracted 1,000 times |
Environmental Properties
| Item | Characteristics | Conditions |
|---|---|---|
| Temperature Resistance | No abnormalities or cracks in any parts | Measured after being tested at -55°C ~ +85°C |
| Humidity Resistance | 1,000 MΩ Insulation Resistance / 500 VDC, Withstand Voltage 1,000 VAC / min |
Measured at 90 ~ 95% Humidity, 96 H Duration and 40°C Temperature |
| Corrosion Resistance | With no significant corrosion and 10 mΩ / 1 ADC or less contact resistance | Measured after being tested in 5% salt water for 48 hours |
Basic Information
| Connector Shape | Square shape | Connector series initials | M/N/O | M/N/O | MR |
|---|---|---|---|---|---|
| Protection function (environmentally resistant) | None |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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