Interlock Switches
Tongue Switches
Cadet 3
Specifications
Standards
EN954-1, ISO13849-1, IEC/EN60204-1,
NFPA79, EN1088, ISO14119, IEC/
EN60947-5-1, ANSI B11.19, AS4024.1
Cat. 1 Device per EN954-1
Dual channel interlocks suitable for
Cat. 3 or 4 systems
CE marked for all applicable directives,
cULus, TUV Nord
2 N.C. or 3 N.C. direct opening action
600V
1.2A
600V
0.4A
10A
5V 5mA DC
5mΩ
(Ui) 500V
1 N.O.
3
5mm (0.098in)
150mm (5.905in)
(60mm (2.36in) with GD2 kit)
15N (3.38pd)
160mm (6.299) per sec
2 Cycle per sec
UL approved glass filled polyester
Stainless Steel
IP67
1 x M16 or quick-disconnect style
-20°C to + 80°C (-4°F to +176°F)
2 x M4
Any position
1,000,000 operations
1,000,000 operations
80g (0.176lbs)
Red
500V 240V 120V
1.4A 3A 6A
500V 250V 125V
0.55A 1.1A 2.2A
Category
Approvals
Safety Contacts
Designation/Utilization Cat.
A600/AC-15 (Ue)
(Ie)
N600/DC-13 (Ue)
(Ie)
Description
The Cadet 3 is a tongue (or key) operated safety interlock switch
designed to fit at the leading edge of sliding, hinged or lift-off guards.
With its dual entry slots and rotatable head, the versatile Cadet 3 can
offer up to eight different actuator entry options. The unique compact
housing (90.5 x 31 x 30.4mm (3.56 x 1.22 x 1.19in)) has industry
standard DIN 50047 fixing centres for ease of mounting.
Operation of the switch is achieved through the insertion of a
specially profiled stainless steel key that is permanently mounted to
the guard door. A semi-flexible key allows the Cadet 3 to be used on
small radii doors (60mm or 2.36in).
Available with a variety of contact configurations, the Cadet 3 is
sealed to IP67. A blanking plug is supplied for the unused key entry.
Thermal Current (lth)
Min Current
Typical Contact Resistance
Rtd. Insulation Voltage
Auxiliary Contacts
Pollution Degree
➊
Actuator Travel for Positive
Opening
Min Operating Radius
Break Contact Min Force
Max Actuation Speed
Max Actuation Frequency
Case Material
Actuator Material
Protection
Conduit Entry
Operating Temperature
Fixing
Mounting
Mechanical Life
Electrical Life
Weight
Colour
Rtd. Impulse Withstand Volt. (Uimp) 2500V
Features
•
•
•
•
•
•
Compact size
Ideal for small, light weight guards
Contacts, 2 N.C. + 1 N.O. or 3 N.C.
Sealed to IP67
Eight possible actuator entry points, easy to install
Industry standard fixing centres to DIN 50047
➊
Conductive pollution occurs, or dry, non conductive pollution occur which
becomes conductive due to condensation.
Applications
Note:
Lift-off guards require good alignment when using
tongue actuated interlock switches.
IMPORTANT: It must not be possible to lift the guard
without actuating the interlock. An interlock on either
side may be required.
3-6
FPGA/CPLD
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