Illuminated rotary switch featuring a 4-pole, 3-throw configuration across a single deck. Offers adjustable index stops with a 30° index angle. Equipped with silver-plated copper contacts and a 13mm brass knob-type actuator. Rated for 125V AC and 250mA, with a temperature range of -10°C to 70°C. Mountable via through-hole, panel, or PCB with PC pin termination.
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NKK Switches MRA403-A technical specifications.
| Actuator Length | 13mm |
| Actuator Material | Brass |
| Actuator Type | KNOB TYPE |
| Contact Material | Copper |
| Contact Plating | Silver |
| Depth | 16mm |
| Illumination Type | Illuminated |
| Index Angle | 30° |
| Index Stops | Adjustable |
| Lead Free | Contains Lead |
| Length | 16mm |
| Max Current Rating | 250mA |
| Max Operating Temperature | 70°C |
| Min Operating Temperature | -10°C |
| Max Voltage Rating (AC) | 125V |
| Mount | Through Hole, Panel, PCB |
| Number of Decks | 1 |
| Number of Poles | 4 |
| Number of Poles per Deck | 4 |
| Orientation | Vertical |
| Reach SVHC Compliant | No |
| RoHS Compliant | Yes |
| Series | MR |
| Termination | PC Pin |
| Throw Configuration | 4P3T |
| Voltage Rating (AC) | 125V |
| RoHS | Compliant |
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