Illuminated rotary switch featuring a 13mm brass knob actuator and gold-plated bronze contacts. This 4-pole, single-deck switch offers 3 positions with a 30° index angle and adjustable stops. Rated for 28V AC/DC and 100mA, it utilizes PC pin termination and through-hole panel mounting. Operating temperature range is -10°C to 70°C, with RoHS compliance.
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NKK Switches MRK403-A technical specifications.
| Actuator Length | 13mm |
| Actuator Material | Brass |
| Actuator Type | KNOB TYPE |
| Color | Black |
| Contact Material | Bronze |
| Contact Plating | Gold |
| Current Rating | 100mA |
| Depth | 12.6mm |
| Illumination Type | Illuminated |
| Index Angle | 30° |
| Index Stops | Adjustable |
| Lead Free | Lead Free |
| Length | 12.6mm |
| Max Current Rating | 100mA |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | -10°C |
| Max Voltage Rating (AC) | 28V |
| Max Voltage Rating (DC) | 28V |
| Mount | Through Hole, Panel |
| Number of Decks | 1 |
| Number of Poles | 4 |
| Number of Poles per Deck | 4 |
| Number of Positions | 3 |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | MR |
| Termination | PC Pin |
| Throw Configuration | 4P, 4P3T |
| Voltage Rating | 28V |
| Voltage Rating (AC) | 28V |
| DC Rated Voltage | 28V |
| RoHS | Compliant |
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