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| PartNumber | A19K1B-DA | A19K1B | A19K |
| Description | Rocker Switches SPDT ON-OFF-(ON) 0.4VA BLACK | Rocker Switches SUBMINIATURE RCKR/PC | |
| Manufacturer | NKK Switches | NKK Switches | - |
| Product Category | Rocker Switches | Rocker Switches | - |
| RoHS | Y | Y | - |
| Illuminated | Non-Illuminated | Non-Illuminated | - |
| Illumination Color | - | - | - |
| Lamp Type | - | - | - |
| Contact Form | SPDT | SPDT | - |
| Switch Function | ON - OFF - (ON) | ON - OFF - (ON) | - |
| Current Rating | 400 VA | 400 VA | - |
| Voltage Rating AC | 28 VAC | 28 VAC | - |
| Voltage Rating DC | 28 VDC | 28 VDC | - |
| Power Rating | 400 mVA | - | - |
| Termination Style | Pin | Pin | - |
| Actuator | Concave | Snap Top | - |
| Color | Black | - | - |
| Mounting Style | Through Hole | Through Hole | - |
| Terminal Seal | Epoxy | Epoxy | - |
| Contact Plating | Gold | Gold | - |
| Contact Rating | 0.4 VA at 28 V | 0.4 VA at 28 V | - |
| Housing Material | Polyamide, Glass Fiber Reinforced | Polyamide, Glass Fiber Reinforced | - |
| Illumination | Non-Illuminated | Non-Illuminated | - |
| Series | A | A | - |
| Brand | NKK Switches | NKK Switches | - |
| Actuator Style | Snap Top | Without Cap | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Minimum Operating Temperature | - 30 C | - 30 C | - |
| Product Type | Rocker Switches | Rocker Switches | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Switches | Switches | - |