Illuminated rocker switch featuring a concave resin actuator and DPST On-Off function. Rated for 30A at 250V AC and 30V DC, with silver-plated copper contacts. Offers 2 poles and 2 positions, with a mechanical life of 50,000 cycles and electrical life of 25,000 cycles. Panel mountable with flanges, screw termination, and UL/CSA approvals.
Checking distributor stock and pricing after the page loads.
Sign in to ask questions about the NKK Switches SW3821 datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
| Actuator Material | Resin |
| Actuator Type | Concave (Standard V) |
| Approvals | UL, CSA |
| Contact Material | Copper |
| Contact Plating | Silver |
| Current Rating | 30A |
| Depth | 24mm |
| Electrical Life | 25000Cycles |
| Illumination Type | Illuminated |
| Lead Free | Lead Free |
| Length | 56mm |
| Max Current Rating | 30A |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | -10°C |
| Max Voltage Rating (AC) | 250V |
| Max Voltage Rating (DC) | 125V |
| Mechanical Life | 50000Cycles |
| Mount | Panel, Flanges |
| Number of Poles | 2 |
| Number of Positions | 2 |
| Orientation | Vertical |
| Packaging | Bulk |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | SW |
| Switch Function | On-Off |
| Termination | Screw |
| Throw Configuration | DPST |
| Voltage Rating (AC) | 125V |
| DC Rated Voltage | 30V |
| RoHS | Compliant |
Download the complete datasheet for NKK Switches SW3821 to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
