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
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
• Case/bushing : thermoplastic
• Actuator : polyurethane
• Contacts : silver
• Terminal seal : epoxy
• 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
PANEL MOUNTING
Gasket
❑
ENVIRONMENTAL SPECIFICATIONS
• Front panel sealing (see drawings opposite) :
- With gasket above the panel : IP67
- With gasket under the panel : IP64
• Operating temperature : -20°C to +65°C
Sealing to IP64
Sealing to IP67
IA
SERIES
Shape
Electrical
function
Terminals
Contacts
Plunger colours
Case colour
R
round
F
Wire leads
1
Silver
1
2
3
5
6
Blue
00 Black
3
5
Normally
open (NO)
NC/NO
Black
Green
Yellow
Red
combined
7/1 White
Orange
9
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