| Push Button Switches
                 
                    
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                              | Picture | Type-choosing Explanation |  
                              | .jpg)  Ball head
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                                          | Installation Size | Type | Remarks |  
                                          | Φ16mm | WF16-B | There are Nickel-plated   brass crust (N), Gold-plated brass Crust (G), Stainless Steel Crust (S) can be   selected.   |  
                                          | Φ19mm | WF19-B |  |  
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                              | .jpg)  Flat head
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                                          | Installation Size | Type | Remarks |  
                                          | Φ16mm | WF16-F | There are Nickel-plated   brass crust(N), Gold-plated brass Crust (G), Stainless Steel Crust (S) can be   selected.   |  
                                          | Φ19mm | WF19-F |  |  
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                              | .jpg)  High flat head
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                                          | Installation Size | Type | Remarks |  
                                          | Φ16mm | WF16-H | There are Nickel-plated   brass crust(N), Gold-plated brass Crust (G), Stainless Steel Crust (S) can be   selected.   |  
                                          | Φ19mm | WF19-H |  |  
                            
                              
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                                |   Mushroom
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                                          | Type | Type number | Remarks |  
                                          | Momentary | WFSOY-□M | R Red G Green
 ●Can be used with lamp
 ●The   dimension of head is
 Φ40mm
 or Φ60mm
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                                          | Alternate | WFSOY-□ZM |  |  
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                                |   Emergency pushbutton
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                                          | Type | Type number | Remarks |  
                                          | Push-lock turn-reset | WFSOY-□TS | R Red G Green
 N Black
 ●Cant be used with   lamp
 ●The dimension of head is
 Φ40mm
 or   Φ60mm
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                                |   Round
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                                        | Contact configuration | Operating type | Protection degree | Type number | Remarks |  
                                        | SPDT | Momentary | IP40 | WFS1-AY-11 | R Red G Green
 Y Yellow
 O Orange
 B   Blue
 W White
 N Black
 C Clarity
 ● Can be used with lamp
 ● The   black cover cant be used with the illuminated pushbuttons.
 ● If you need the   protective degree IP67, please add/FP behind the model number. For example:   WFS1-AY-11 can be marked as WFS1Y-AY-11/FP
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                                        | IP65 | WFS1-AY-11/P |  
                                        | Alternate | IP40 | WFS1-AY-11Z |  
                                        | IP65 | WFS1-AY-11Z/P |  
                                        | DPDT | Momentary | IP40 | WFS1-AY-22 |  
                                        | IP65 | WFS1-AY-22/P |  
                                        | Alternate | IP40 | WFS1-AY-22Z |  
                                        | IP65 | WFS1-AY-22Z/P |  |  
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                                |  Air proof cover
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                                          | Use | Range |  
                                          | Snaps onto the head of switch units. Can prevent water and   dust.IP protective degree:IP67
 | For round type for Φ22mm   series |  |  
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