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| PartNumber | 638H | 638H/2 | 638H147 |
| Description | Toggle Switches SPDT 10A 125V 17.5mm On-Off-Mom | Toggle Switches SPDT NKL ON-OFF-(ON) | TOSA |
| Manufacturer | Apem | Apem Inc. | - |
| Product Category | Toggle Switches | Toggle Switches | - |
| RoHS | Y | - | - |
| Illuminated | Non-Illuminated | - | - |
| Illumination Color | - | - | - |
| Lamp Type | - | - | - |
| Contact Form | SPDT | SPDT | - |
| Switch Function | ON - OFF - (ON) | On-Off-Mom | - |
| Mounting Style | Panel | Panel | - |
| Termination Style | Screw | Quick Connect - 0.250" (6.3mm) | - |
| Current Rating | 15 A | 10A (AC) | - |
| Voltage Rating AC | 250 VAC | 250 V | - |
| Voltage Rating DC | 24 VDC | 24 VDC | - |
| Bushing Size | M12 | M12 | - |
| Actuator | Bat | Paddle | - |
| Housing Material | Polyester | - | - |
| Mounting Angle | Vertical | - | - |
| Mounting Type | Bushing | Panel Mount | - |
| Series | 600H | 600 H | - |
| Type | High Amperage Toggle Switch | - | - |
| Brand | Apem | - | - |
| Contact Material | Silver / Nickel Alloy | - | - |
| Flammability Rating | UL 94 V-0 | - | - |
| Actuator Style | Bat | - | - |
| Insulation Resistance | 1000 MOhms | - | - |
| Life | 10000 Cycles | 10000 Cycles | - |
| Maximum Operating Temperature | + 55 C | - | - |
| Minimum Operating Temperature | - 20 C | - | - |
| Product Type | Toggle Switches | - | - |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Switches | - | - |
| Packaging | - | Bulk | - |
| Features | - | - | - |
| Ingress Protection | - | - | - |
| Circuit | - | SPDT | - |
| Actuator Type | - | Standard Round | - |
| Illumination | - | Non-Illuminated | - |
| Illumination Voltage Nominal | - | - | - |
| Panel Cutout Dimensions | - | Circular - 12.20mm Dia | - |
| Illumination Type Color | - | - | - |
| Actuator Length | - | 17.50mm | - |
| Bushing Thread | - | - | |
| Contact Plating | - | Silver | - |
| Terminal Seal | - | Sealed | - |