Siemens APT

FM*N(22mm) Series Pushbutton, APT

Model: FM

Key specifications

  • Mounting cut-outs Ф22
  • Voltage grade AC/DC 6V/12V/24V/36V/48V/110V/220V
  • Head shape Flat round, high-position round
  • Degree of protection IP40
  • Impact protection rating IK10

Technical parameters

Total length

Max 40mm

Panel front thickness

About 2.0mm for flat head

About 5.0mm for high head

Panel thickness

1-6mm

Conventional thermal current(A)

5A

Rated insulation voltage(V)

250V

Rated impulse withstand voltage(V)

2500V

Insulation resistance

100mΩ

Contact resistance of contact (initial value)

≤50mΩ

Wiring mode

Plug-in wiring

Rated voltage/current under various usage categories

AC-15

24V/3A, 110V/1A, 220V/0.5A

DC-13

24V/0.7A, 110V/0.2A, 220V/0.1A

Contact type

1NO 1NC, 2NO 2NC

Contact material

Silver alloy

Operation type

Momentary, latching, knob, key switch, emergency stop button

Operating travel

About 2mm

Operating pressure

≤5N

Minimum applicable load of contact

5V AC/DC 5mA

Power frequency withstand voltage

1500V AC, 50Hz, 1min

Vibration resistance

10-50Hz, amplitude of 1.5mm

Impact resistance

10g

Electrical endurance

Momentary for 200,000 times, latching, knob, key switch, emergency stop button for 50,000 times

Mechanical endurance

Momentary for 1,000,000 times

Latching for 300,000 times Knob

Key switch for 100,000 times

Emergency stop button for 50,000 times

Working temperature

-25℃~+55℃

Working humidity

45~90%RH

Storage temperature

-40℃~+70℃

Storage humidity

45~90%RH

Protection class

IP65 for momentary and latching, IP40 for knob, IP54 for key switch, IP54 for emergency stop button (with IP65 customizable)

Anti-collision class

IK10

Enclosure material

Stainless steel, aluminum anodic oxidation (customized)

Compliance

GB14048.5, IEC60947-5

Voltage code

21

22

23

24

25

26

28

Voltage AC/DC (V)

6V

12V

24V

36V

48V

110V

220V

LED current (A)

≤20mA

LED endurance

More than 50,000 hours (reference value)

LED type

Monochromatic light: bidirectional LED, no distinction between positive and negative poles; bicolor light: unidirectional LED, with distinction between positive and negative poles

Voltage reduction method

Built-in resistance(FM12N type, external resistance for 24V or more)