IR series
Sealed pushbutton switches - bushing Ø 16 mm - momentary - standard version
Distinctive features and specifications
APEM www.apem.com B-55
Screw version up to 4A
Tactile feedback
Sealed to IP67
Illuminated or non-illuminated
Flat round actuator for optional marking
ENVIRONMENTAL SPECIFICATIONS
• Front panel sealing : IP67 according to IEC 60529
• Shock resistance : 100 g according to IEC 512-4, test 6c
• Vibration resistance : 10-500Hz - 10 g according to IEC 512-4, test 6d
• Salt spray : IEC 512-6, test 11f
• Operating temperature : -40°C to +85°C
ELECTRICAL SPECIFICATIONS
• Max. current/voltage rating with resistive load :
- Gold plated silver contacts (code 4) : 200mA 48VDC - 200mA 250VAC
- Silver contacts (code 2) - screw terminals : 2A 250VAC - 4A 48VDC
• Electrical life at full load : 500.000 cycles
• Initial contact resistance : 100 mΩ max.
• Insulation resistance : 1 GΩ min. at 500VDC
• Dielectric strength : 1.500 Vrms
MATERIALS
• Case : thermoplastic UL94-V0
• Actuator :
polyamide
6/6
• Bushing/bezel : polyamide 6/6
• Contacts :
4: silver, gold plated
2: silver (screw terminals)
• Multi-wire lead AWG20,
section 0,6 mm2
• LED wire : AWG26,
section 0,12 mm2
• Lens : polycarbonate
• Terminal seal : epoxy
GENERAL SPECIFICATIONS
• Panel thickness : 8 mm (.314) max.
• Total travel : 1,6 mm (.062) +/- 0,3 mm
• Typical operating force : 4N +/- 2N
• Mechanical life : 1.000.000 cycles
• Torque : 0,8 Nm max. applied to nut
• Soldering : 320°C max. for 3 sec.
LED COMPONENT SPECIFICATIONS
LED colour
Forward current
Super red (L0S) 20mA
20mA
20mA
20mA
Typ. forward voltage Max. forward voltage
2,1V
2,1V
2,1V
3,2V
Yellow (L0Y)
Green (L0G)
Blue (L0B)
20mA 3,35V
2,3V
2,3V
2,3V
3,8V
4,25VWhite (L0W)
A resistor must be series-connected by the user.
Resistor value = supply voltage - LED forward voltage
LED forward current
On flying lead versions, the LED resistor can be integrated by APEM on request.
PANEL CUT-OUT MATRIX MOUNTING
(1.063)
27.00
27.00
(1.063)
Ø16.20
(.637)
14.80
(.582)
➀ Flat seal
(.637DIA)
Ø16.20
14.80
(.582)
1
8.00 Maxi
(.314 max.)
B
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