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440P-CRRB12E Datasheet(PDF) 1 Page - Allen-Bradley

Part # 440P-CRRB12E
Description  Safety Limit Switches
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Manufacturer  ALLEN-BRADLEY [Allen-Bradley]
Direct Link  http://www.ab.com
Logo ALLEN-BRADLEY - Allen-Bradley

440P-CRRB12E Datasheet(HTML) 1 Page - Allen-Bradley

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7-2
Position Interlock Switches
Safety Limit Switches
Small Plastic Senator
Description
The small plastic Senator safety limit switches conform to EN 50047
and have been developed to provide a range of options including
metal or plastic cases in various sizes, a choice of snap acting, slow
break/make with 2 or 3 contact configurations and a choice of
actuator heads.
The Senator range offers the option of rotating the head in 90°
increments before installation to allow ease of mounting.
Allen-Bradley/Guardmaster limit switches can be used in other
applications other than guard doors, for example on moving
machine beds, crane arms, lifts, elevators, etc.
Operation of these limit switches is achieved by the sliding action of
the guard or other moving object deflecting the plunger or lever. For
safety applications it is important that upon actuation, the guard or
other moving objects should not pass completely over the switch
and allow the plunger or lever to return to its original position.
Features
• Large selection of actuator heads
• Positive operation, forced disconnection of contacts
• Snap-acting, slow make before break or slow break before make
contact blocks
• Contacts 1 N.C. + 1 N.O., 2 N.C. + 1 N.O. 3 N.C.,
2 N.C. + 1 N.O.
• Conforms to EN 50047, EN 1088, EN 60947-5-1, EN 292 and
EN 60204-1
Applications Types
Specifications
➊ Conductive pollution occurs, or dry, non conductive pollution occurs which
becomes conductive due to condensation.
Standards
EN954-1, ISO13849-1, IEC/EN60204-1,
NFPA79, EN1088, ISO14119, IEC/
EN60947-5-1, ANSI B11.19, AS4024.1
Category
Cat. 1 Device per EN954-1
Dual channel interlocks suitable for Cat.
3 or 4 systems
Approvals
cULus, TUV and CE marked for all
applicable directives
Safety Contacts
1 N.C. snap acting, 2 N.C., 3 N.C. or 4
N.C. slow acting
Auxiliary Contacts
1 N.O. (with 2 N.C.)
Designation/Utilization Cat.
A600/AC-15 (Ue)
(Ie)
N600/DC-13 (Ue)
(Ie)
600V 500V 240V 120V
1.2A 1.4A 3A 6A
600V 500V 250V 125V
0.4A 0.55A 1.1A 2.2A
Min Current
5V, 5mA, DC
Thermal Current (lth)
10A
Rated Insulation Voltage
600V AC
Rated Impulse withstand Volt 2500V
Travel for Positive Opening
Various (see Product Selection table)
Max Switching Speed
250mm/s
Min Switching Speed
100mm/min
Max Switching Frequency
6000 operation per hour
Case Material
UL approved glass-filled polybutylene
terephthalate
Roller Material
Various polymers
Enclosure Protection
IP 66
Operating Temperature
Min -25°C (-18°F) Max 80°C (+176°F)
Pollution Degree ➊
3
Mech. Life Expectancy
1 x 107
Conduit Entry
M20 or 1/2in NPT
Fixing
2 x M4
Mounting
Any position
Colour
Red
Operating Examples
Cam Displacement
The actuating cam should be profiled at 30° for optimum operation.
(Note: Plunger-type switches operate from a flat profile.
Adjustable Lever Arms
(A)
30°
30°
30°
60°
60°
30°
30°
60°
60°


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