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S421 Tech Specifications
NKK S421 technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs SI1084-A-GM.
| Product Attribute | Attribute Value | |
|---|---|---|
| Category | Toggle Switches | |
| Manufacturer | NKK | |
| Factory Lead Time | 10 Weeks | |
| Contact Plating | Silver | |
| Mount | Panel | |
| Mounting Type | Panel Mount | |
| Actuator Material | Brass, Chrome Plated | |
| ElectricalLife | 15,000 Cycles | |
| Operating Temperature | -10°C~70°C | |
| Packaging | Bulk | |
| Series | S400 | |
| JESD-609 Code | e3 | |
| Pbfree Code | yes | |
| Part Status | Active | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | |
| Termination | Solder | |
| ECCN Code | EAR99 | |
| Terminal Finish | Tin (Sn) | |
| HTS Code | 8536.50.90.65 | |
| Current Rating (Amps) | 25A AC | |
| Current Rating | 25A | |
| Termination Style | Solder Lug | |
| Voltage - Rated AC | 125V |
| Product Attribute | Attribute Value | |
|---|---|---|
| Body Length or Diameter | 33.1978mm | |
| Body Breadth | 18.9992 mm | |
| Actuator Type | Standard Round | |
| Circuit | DPST | |
| Switch Function | On-Off | |
| Panel Cutout Dimensions | Circular - 12.50mm Dia | |
| Contact Resistance | 0.01mOhm | |
| Insulation Resistance | 1000000000Ohm | |
| Dielectric Withstanding Voltage | 2000VAC V | |
| Illumination | Non-Illuminated | |
| Switch Type | TOGGLE SWITCH | |
| Contact Current Rating | 25A | |
| Illumination Type | Illuminated, Non-Illuminated | |
| Bushing Thread | M12 x 1 | |
| Contact (AC) Max Rating R Load | 25A@250VAC | |
| Contact Voltage(AC)-Max | 250V | |
| Bushing Length | 0.472 inch | |
| Contact (AC) Max Rating I Load | 25A@250VAC | |
| Bushing Type | M12P1 | |
| Actuator Length | 17.50mm | |
| REACH SVHC | No SVHC | |
| RoHS Status | ROHS3 Compliant | |
| Lead Free | Lead Free |
S421 Documents
Download datasheets and manufacturer documentation for S421
Datasheets
S421-NKK-Switches-datasheet-110754436.pdf S421-NKK-Switches-datasheet-119325.pdf S Series Datasheet S421-NKK-Switches-datasheet-11554349.pdfEnvironmental Information
NKK Switches ODC Cert NKK Switches PFOS & PFOA Free Cert RoHS3 Cert - Switches & PushbuttonsPCN Design/Specification
Mult Dev Part Marking Chg 1/Jun/2018 Mult Dev Spec Chg 11/Dec/2018PCN Packaging
S,SW Series Multiple Changes 31/Mar/2016ConflictMineralStatement
NKK-Switches-company-75.pdf
Others include "S421" parts
The following parts include 'S421'
| Part # | Manufacturer | Package | Availability |
|---|---|---|---|
| S421 | NKK Switches | - | 43 |
| S421T | NKK Switches | - | 9 |
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Alternate Products
| Part # | Manufacturer | Description | Package | RoHS | |
|---|---|---|---|---|---|
![]() | S421 | NKK Switches | SWITCH TOGGLE DPST 25A 125V | - | |
![]() | S21A | NKK Switches | Switch Toggle ON None OFF DPST Round Lever Solder Lug 15A 250VAC 30VDC Panel Mount with Threads | - | |
![]() | S331 | NKK Switches | Switch Toggle ON None OFF DPST Round Lever Solder Lug 25A 250VAC 30VDC Panel Mount with Threads | - | |
![]() | 649H/2 | APEM Inc. | APEM 649H/2Toggle Switch, 600H Series, Non Illuminated, DPDT, On-Off-On, Panel, 10 A | - | |
![]() | S21AL | NKK Switches | SWITCH,TOGGLE,LOCKING LEVER,DPST,SOLDER TERMINALS,ON-NONE-OFF,15A,125 VAC | 125 |
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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S421 Comments
109 reviews
2023-11-06 00:00:00
Great experience with JAK.
2023-10-28 00:00:00
The quality and price of electronic components purchased on Jakelectronic are OK, but their website interface is a bit old
2023-10-24 00:00:00
reasonable price.
2023-09-11 00:00:00
Love these!
2023-08-31 00:00:00
The board looks and works exactly as it should
2023-08-26 00:00:00
Good shopping experience, hope jak can improve inventory management
2023-08-20 00:00:00
전자 부품의 품질과 가격은 괜찮습니다.
2023-08-10 00:00:00
The best platform for all the parts throughout the world.
2023-07-26 00:00:00
The product performance meets expectations, and the delivery time is not too long.
2023-07-18 00:00:00
Product quality is OK, but customer service can be better.