Mini Microswitch - SPDT (Roller Lever)

Although small in size, KW4-Z5F roller microswitches are rated for controlling electrical loads ranging from logic level (computer based circuits) to power duty switching (up to 16.1 A and 250 Vac). The package size of the subminiature switch is ideal for applications where space on the equipment is at a premium. The overall length of KW4-Z5F roller microswitch are less than 20 mm [0.78 in].

  • Housing: Nylon 66
  • Terminal: Brass with silver plating
  • Contact Configuration: SPDT
  • Rating: 5A 250VAC / 10A 125VAC
  • Contact Resistance: ≤30mΩ
  • Insulation Resistance: ≥100mΩ (500VDC)
  • Dielectric Strength: 1500VAC 1 minute
  • Lever: Roller lever
  • Switch Operation: OFF - momentary ON
  • Operating Temperature: -25℃~+85℃
  • Ambient Temperature Used:〈85% RH
  • Electrical Life: ≥ 10,000 Cycles
  • Mechanical Life: ≥ 100,000 Cycles
  • Compliance - EU "CE" certified

Mini Microswitch - SPDT (Roller Lever) Product Help and Resources

Button and Switch Basics

May 7, 2013

A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.

Core Skill: Electrical Prototyping

If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.

1 Electrical Prototyping

Skill Level: Noob - You don't need to reference a datasheet, but you will need to know basic power requirements.
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