IA series
Low profile pushbutton switches for harsh environments
Distinctive features - Specifications - Overview
K
Resistant to frost, sand and hydrocarbons
K
Tactile feedback
K
Front panel sealed to IP 67
B
ELECTRICAL AND GENERAL SPECIFICATIONS
MATERIALS
• Max. current/voltage rating with resistive load : 2A 24VDC
• Initial contact resistance : 100mΩ max.
• Insulation resistance : 100 MΩ min. 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
ENVIRONMENTAL SPECIFICATIONS
• Case/bushing : thermoplastic
• Actuator : polyurethane
• Contacts : silver
• Terminal seal : epoxy
PANEL MOUNTING
©
Gasket
• 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
Sealing to IP64
Sealing to IP67
IA
CIAET-A
SERIES
Shape
R
round
Electrical
function
3
Normally
open (NO)
5
NC/NO
combined
Terminals
F
Wire leads
1
Contacts
Silver
Plunger colours
1
2
3
5
6
7/1
9
Blue
Black
Green
Yellow
Red
White
Orange
Case colour
00
Black
Dimensions
: First dimensions are in mm while inches are shown as bracketed numbers.
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
B-38
www.apem.com
APEM
IA series
Low profile pushbutton switches for harsh environments
Bushing Ø 16 (.629)
• 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
NO
NC/NO combined
MODEL
STRUCTURE
NO model has 2 terminals only.
B
15.50
(.610)
Models
Normally open (NO)
1.20
(.047)
3.30
(.129)
Ø16.00x1.00SI
(.629DIAx1.00IS)
Ø15.00
(.590 DIA)
NC/NO combined
IAR5F
EPOXY
C
NC
NO
1.50 Maxi
(.059 MAX)
500.00±10
(19.685±.4)
16.00
(.629)
IAR3F
10.00
(.393)
Ø19.80
(.779 DIA)
Wire colours (NC/NO) : black = common, brown = NC, blue = NO
CONTACT MATERIAL
CIADT-A
1
Silver
PLUNGER COLOUR
1
: blue -
2
: black -
3
: green -
5
: yellow -
6
: red -
7/1
: white -
9
: orange
CASE COLOUR
00
: black
APEM
www.apem.com
B-39
