| PartNumber | Z-15HQ21-B | Z-15HQ-B | Z-15HQ |
| Description | Basic / Snap Action Switches Basic Switch | Basic / Snap Action Switches Basic Switch | Basic / Snap Action Switches Basic Switch |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Basic / Snap Action Switches | Basic / Snap Action Switches | Basic / Snap Action Switches |
| RoHS | Y | Y | Y |
| Type | Basic | Basic | Basic |
| Contact Form | SPDT | SPDT | SPDT |
| Switch Function | ON - (OFF), OFF - (ON) | ON - (OFF), OFF - (ON) | ON - (OFF), OFF - (ON) |
| Actuator | Roller Plunger | Plunger | Plunger |
| Current Rating | 15 A | 15 A | 15 A |
| Voltage Rating AC | 250 VAC | 250 VAC | 250 VAC |
| Voltage Rating DC | 30 VDC | 30 VDC | 30 VDC |
| Operating Force | 1.96 N to 2.79 N | 1.96 N to 2.79 N | 1.96 N to 2.79 N |
| Termination Style | Screw | Screw | Solder Lug |
| IP Rating | IP00 | IP00 | IP00 |
| Illumination Color | - | - | - |
| Series | Z | Z | - |
| Brand | Omron Automation and Safety | Omron Automation and Safety | Omron Automation and Safety |
| Illuminated | Non-Illuminated | Non-Illuminated | Non-Illuminated |
| Lamp Type | - | - | - |
| Mounting Style | Chassis Mount | Chassis Mount | Chassis Mount |
| Actuator Style | Roller Plunger | Plunger | Plunger |
| Maximum Operating Temperature | + 80 C | + 80 C | + 80 C |
| Minimum Operating Temperature | - 25 C | - 25 C | - 25 C |
| Product Type | Snap Action Switches | Snap Action Switches | Snap Action Switches |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Switches | Switches | Switches |
| Part # Aliases | Z15HQ21B | Z15HQB | Z15HQ |
| Unit Weight | 0.776027 oz | 0.776027 oz | 0.776027 oz |