Honeywell Co., Ltd.

Limit Switch(SZL-WL series)

Limit Switch(SZL-WL series) The new economical SZL-WL series general purpose limit switches are cost-effective switches
for detecting objects in a wide range of applications from general purpose conveyors to heavy-duty machinery. Rugged and reliable, these switches
are offered with a variety of actuators, functions and electrical ratings. Various series of overtravel types, high precision types, and many other special types can be selected based on your specific application. To minimize plant down-time and reduce maintenance costs, the SZL-WL series include indicator type switches with twin LEDs.

    -Specifications-

  • Circuitry
     Single Pole Double Throw, Double Break
  • Actuator
    Refer to the model selection below
  • Housing
    Aluminum diecast
  • Operating speed
    1mm/s to 1,000 mm/s with SZL-WL-A
  • Max. Operating frequency
    Mechanical : 120 operations/min, Electrical : 20 operations/min
  • Contact Material
    Ag + Cu
  • Contact resistance(Initial)
    Max. 25mΩ
  • Insulation resistance
    Min. 100MΩ (at 500VDC)
  • Dielectric stregth
    1,000VAC, 50/60 Hz for 1 min between non-continuous terminals
    2,200VAC, 50/60 Hz for 1 min between each terminal and non-current-carrying metal part
    2,200VAC, 50/60 Hz for 1 min between each terminal and ground
  • Temperature rise
    Max. 50 ℃
  • Vibration resistance
    Malfunction durability : 10 to 50 Hz, 1.5mm double amplitude
  • Shock resistance
    Destruction durability : approx. 1,000 m/s2 (100G)
    Malfunction durability : approx. 300 m/s2 (30G)
  • Ambient temperature
    Operating : -10℃ to +80℃(14℉ to 176℉)
  • Ambient Humidity
    Operating : Max. 95 %RH
  • Service life
    Mechanical : 15,000,000 operations
    Electrical : 750,000 operations
  • Weight
    Approx. 270 g with SZL-WL-A
  • Agency Approvals
    C-UL,CE,CSA approved
  • Sealing
    IP67
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