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MRA403-A Tech Specifications
NKK MRA403-A technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | Rotary Switches | |
| Manufacturer | NKK | |
| Factory Lead Time | 9 Weeks | |
| Mount | PCB, Panel, Through Hole | |
| Mounting Type | Panel Mount, Through Hole | |
| Number of Pins | 3Pins | |
| Housing Material | Zinc | |
| Actuator Material | Brass | |
| Contact Materials | Copper | |
| Series | MR | |
| Published | 2010 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Termination | PC Pin | |
| ECCN Code | EAR99 | |
| Number of Positions | 2 ~ 3Position | |
| Max Operating Temperature | 70°C | |
| Min Operating Temperature | -10°C | |
| Current Rating (Amps) | 250mA AC | |
| Orientation | Vertical | |
| Depth | 16mm | |
| Current Rating | 250mA | |
| Contact Finish | Silver |
| Product Attribute | Attribute Value | |
|---|---|---|
| Termination Style | PC Pin | |
| Voltage - Rated AC | 125V | |
| Actuator Type | Knob | |
| Panel Cutout Dimensions | Circular - 6.35mm Dia | |
| Contact Style | Non-Shorting | |
| Max Voltage Rating (AC) | 125V | |
| Max Current Rating | 250mA | |
| Switch Type | ROTARY SWITCH | |
| Number of Decks | 1Deck | |
| Operating Force | 2.039 ~ 7.138gfm | |
| Illumination Type | Illuminated | |
| Contact Timing | Non-Shorting (BBM) | |
| Index Stops | Adjustable | |
| Circuit per Deck | 4P3T | |
| Depth Behind Panel | 17.00mm | |
| Index Angle | 30 ° | |
| Number of Poles per Deck | 4Poles per Decks | |
| Features | Process Sealed | |
| Length | 16mm | |
| Actuator Length | 13.00mm | |
| REACH SVHC | No SVHC | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Contains Lead |
MRA403-A Documents
Download datasheets and manufacturer documentation for MRA403-A
Datasheets
MR Series Half-Inch Sealed RotariesEnvironmental Information
RoHS3 Cert - Switches & Pushbuttons NKK Switches ODC Cert NKK Switches PFOS & PFOA Free CertConflictMineralStatement
NKK-Switches-company-75.pdf
Others include "MRA40" parts
The following parts include 'MRA40'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| MRA403-BH | NKK Switches | - | |
| MRA403 | NKK Switches | - | |
| MRA403-BA | NKK Switches | - | 92 |
| MRA403-BB | NKK Switches | - | 373 |
| MRA403-A | NKK Switches | - | 46 |
| MRA403-BF | NKK Switches | - | 172 |
| MRA403-BG | NKK Switches | - | 669 |
| MRA403-CF | NKK Switches | - |
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Alternate Products
| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
![]() | MRA403-A | NKK Switches | Switch Rotary 4P3T 3 Knob Shaft PC Pins 0.25A 125VAC | - | |
![]() | 56DP30-01-4-AJN | Grayhill Inc. | Switch Rotary 4P Flatted Shaft PC Pins 0.2A 115VAC 30VDC | - | |
![]() | MRA403 | NKK Switches | NKK SWITCHES MRA403SWITCH, ROTARY, 4POLE, 2 POSITION, 0.25A, 125V | - | |
![]() | MRA403-BA | NKK Switches | Rotary Switches 4P 3 POS SHAFT ACUTR PC BLACK TIPPED KNOB | - | |
![]() | MRA403-BB | NKK Switches | Switch Rotary 4P3T 3 Knob Shaft PC Pins 0.25A 125VAC | - |
Payment Problem
The payment method can be chosen from the four methods shown below: TT in advance (bank transfer), Western Union, Credit card, PayPal.

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Shopping Guide
Shipping | Delivery Period | Packages will be arranged for delivery within 1-2 days from the date of all items arrive at our warehouse. In stock items can be shipped out within 24 hours. Delivery Time depends on Shipping Method and Delivery Destinations. |
Shipping Rate | Shipping rate is based on size, weight, destination of the package. MOST offers competitive shipping options through top carriers DHL, FedEx and UPS. We also offer shipping account services for customers who wish to be billed directly for shipping. | |
Shipping Methods | ![]() | |
Shipping Tracking | Once the components are delivered, the tracking number will be notified via email immediately. The tracking number also could be found in order history. | |
Returning | Returning | All returns should be made within 60 days of date of invoice and be accompanied by the original invoice number, certificate of guarantee card, parts picture and a brief explanation or test report of the reason for the return. Returns will not be accepted after 60 days. Returned merchandise must be in original packaging and in resalable condition. Parts returned due to customer error at time of quote or sale will not be accepted. Please contact customer service for a return authorization before return shipment. |
Ordering | How to Buy | Online and offline orders both are available. Please find the order process guidance from below link: If you have any operation issue, please feel free to contact with our customer service. |
Payment | TT in advance (bank transfer), Western Union, Credit card, PayPal. Customer is responsible for shipping fee, bank charges, duties and taxes. |
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MRA403-A Comments
109 reviews
2022-07-21 00:00:00
There was room for improvement, but the overall experience was satisfactory.
2022-07-14 00:00:00
I had some minor problems buying components on the Jak, but the overall experience was good.
2022-07-13 00:00:00
I trust jakelectronics to provide me with high-quality components every time.
2022-06-15 00:00:00
The delivery speed is also very fast, and it always arrives on time.
2022-05-13 00:00:00
Good quality product.
2022-04-14 00:00:00
Simply great! Many thanks!
2022-04-09 00:00:00
I couldn't be happier with the kit. It was easy to assemble, including soldering the EEPROM, and works as intended.
2022-04-09 00:00:00
Pricing that fits my budget without compromising on quality, a win-win situation.
2022-04-08 00:00:00
For the price I am very happy.
2022-03-31 00:00:00
when you need to connect this kind of port, this product makes it very easy.