Siemens APT

FM*E(19mm) Series Pushbutton, APT

Model: FM

Key specifications

Total length		Max 36mm
Panel front thickness		About 2.0mm for flat head About 3.5mm 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		Screw wiring or 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
Contact material		Silver alloy
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
Mechanical endurance		Momentary for 1,000,000 times
Working temperature		-25℃～+55℃
Working humidity		45～90%RH
Storage temperature		-40℃～+70℃
Storage humidity		45～90%RH
Protection class		IP65
Anti-collision class		IK10
Enclosure material		Stainless steel, aluminum anodic oxidation (customized)
Compliance		GB14048.5, IEC60947-5
LED current (A)		≤20mA
LED endurance		More than 50,000 hours (reference value)
LED type		Bidirectional LED, no distinction between positive and negative poles
Voltage reduction method		Built-in resistance (for FM16E type, external resistance)