IA series
Low profile pushbutton switches for harsh environments - bushing Ø 16 mm - momentary
Distinctive features - Specifications - Overview
APEMwww.apem.com B1-85
B1
❑ Resistant to frost, sand and hydrocarbons
❑ Tactile feedback
❑ Front panel sealed to IP67
ELECTRICALANDGENERALSPECIFICATIONS
• Max. current/voltage rating with resistive load : 2A 24VDC
• Initial contact resistance : 100mΩ max.
• Insulation resistance : 100 MΩ min. at 500VDC
• Dielectric strength : 500 Vrms
• Electrical life at full load : 1.000.000 cycles
• Panel thickness : 7 mm (.276) max.
• Total travel : 1,5 mm (.059) +/- 0,3 mm
• Typical operating force : 7N +/- 2N
• Low level or mechanical life : 1.000.000 cycles
• Torque : 0,5 to 1Nm max. applied to nut
MATERIALS
• Case/bushing : thermoplastic
• Actuator : polyurethane
• Contacts : silver, gold plated
• Multi-wire lead AWG20,
section 0,6 mm2.
• Terminal seal : epoxy
PANELMOUNTING
ENVIRONMENTALSPECIFICATIONS
• Front panel sealing (see drawing opposite) : IP67
• Salt spray : IEC 512-6, test 11f
• Operating temperature : -20°C to +65°C
IA
Actuator
shape
Rround
Case colour
00 Black
Electrical
functions
3Normally
open (NO)
5NC/NO
combined
SERIES
Actuator colours
1Blue
2Black
3Green
5Yellow
6Red
7/1 White
9Orange
Terminals
FFlying leads
Contacts
1Silver,
gold plated
A sealing boot is available to protect the switches against frost and sand. See end of this catalogue.
Mounting accessories : Standard hardware supplied : 1 hex nut 19 mm (.748) across flats and 1 flat seal.
Knurled nut U3327 available on request.
Packaging unit : 25 pieces
➀ Flat seal
Dimensions : First dimensions are in mm while inches are shown as bracketed numbers.
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15-Serie_IA-A_09-Serie IA-A 21/11/12 14:39 Page85
IA series
Low profile pushbutton switches for harsh environments - bushing Ø 16 mm - momentary
NO NC/NO combined
Models
Normally open (NO)
IAR3F
NC/NO combined
IAR5F
MODEL
STRUCTURE
• Panel cut-out Ø 16,2 mm (.657)
• Min. pitch for matrix mounting :
- with standard hex nut : 27 x 27 mm (1.062 x 1.062)
- with knurled nut U3327: 20 x 20 mm (.787x.787)
C NC NO
CONTACT MATERIAL
1Silver, gold plated
ACTUATOR COLOURS
1 : blue - 2 : black - 3 : green - 5 : yellow - 6 : red - 7/1 : white - 9: orange
CASE COLOUR
00 : black
Wire colours (NC/NO) : black = common, brown = NC, blue = NO
NO model has 2 terminals only.
CNC NO
(19.685±.393)
500.00±10
10.00
(.393)
Ø16.00x1.00SI
(.629DIAx1.00IS)
EPOXY
15.50
(.610)
3.30
(.129)
(.590 DIA)
Ø15.00
(.047)
1.20
(.728MAX.)
18.50 maxi
Ø19.80
(.779 DIA)
www.apem.com APEM B1-86
B1
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