B-38 APEMwww.apem.com
B
IA series
Low profile pushbutton switches for harsh environments
Distinctive features - Specifications - Overview
❑❑ Resistant to frost, sand and hydrocarbons
❑❑ Tactile feedback
❑❑ Front panel sealed to IP 67
ELECTRICAL AND GENERAL SPECIFICATIONS
• Max. current/voltage rating with resistive load : 2A 24VDC
• Initial contact resistance : 100mΩmax.
• Insulation resistance : 100 MΩmin. at 500VDC
• Dielectric strength : 500 VAC rms
• Electrical life at full load : 1 000.000 cycles
• Torque : 0,5 to 1Nm applied to nut
• Panel thickness : 7 mm (.276) max.
• Total travel : 1,5 mm +/- 0,3 (.059 +/ .012)
• Operating force : 6,5 N ±2N
MATERIALS
• Case/bushing : thermoplastic
• Actuator : polyurethane
• Contacts : silver
• Terminal seal : epoxy
PANEL MOUNTING
Sealing to IP64 Sealing to IP67
ENVIRONMENTAL SPECIFICATIONS
• Front panel sealing (see drawings opposite) :
- With O-ring above the panel : IP67
- With O-ring under the panel : IP64
• Operating temperature : -20°C to +65°C
IA
Shape
Rround
Case colour
00 Black
Electrical
function
3Normally
open (NO)
5NC/NO
combined
SERIES
Plunger colours
1Blue
2Black
3Green
5Yellow
6Red
7/1 White
9Orange
Terminals
FWire leads
Contacts
1Silver
A sealing boot is available to protect the switches against frost and sand. See section H.
Mounting accessories : Standard hardware supplied : 1 hex nut 19 mm (.748) across flats and 1 gasket.
Knurled nut U3327 available on request. This nut is presented in Section I.
Packaging unit : 25 pieces
➞Gasket
Dimensions : First dimensions are in mm while inches are shown as bracketed numbers.
CIAET-A
APEM www.apem.com B-39
IA series
Low profile pushbutton switches for harsh environments
Bushing Ø 16 (.629)
B
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
PLUNGER COLOUR
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.
CIADT-A
(.059 MAX)
1.50 Maxi
CNC NO
(19.685±.4)
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
(.629)
16.00
Ø19.80
(.779 DIA)
