Allen-Bradley SensaGuard 440N-Z21S16B - Protection; Dimensions; Mode of Operation; Status Indicators

Protection
Short-Circuit Protection Incorporated
Current limitation Incorporated
Overload Protection Incorporated
False Pulse Protection Incorporated
Transient Noise Protection Incorporated
Reverse Polarity Protection Incorporated
Overvoltage protection Incorporated
Thermal shutdown/restart Incorporated
Electrical Life 10 x 10
6
Dimensions - mm (inches)
Mode of Operation
Status indicators:
• “Power/Fault” LED illuminates Green - The unit is ready for operation.
• “Power/Fault” LED illuminates Red: - Door/Guard open. The unit is not ready for operation.
• “Power/Fault” LED illuminates flashes Red or Green: - Unit failure. See Diagnostic section below.
Mounting Information
Use non-removable screws, bolts, or nuts to mount the switch and
actuator. Do not over torque the mounting hardware.
Position the switch and actuator so they are aligned with each other.
Mount the switch and actuator to removable guard, door or gate.
Keep the switch and actuator within the sensing range below.
Nut Torque Specification
Plastic Barrel Switch: 2.26 N•M (20 in•lbs)
Plastic Actuators: 2.26 N•M (20 in•lbs)
PA-75056-180-01(A), September 2006
4 SensaGuard
TM
18 mm Plastic Barrel Installation Instructions
30 mm Actuator
48.92
[1.926]
19.81
[0.78]
22.22
[0.875]
48.92
[1.926]
19.81
[0.78]
22.22
[0.875]
30.40
[1.197]
16.84
[0.663]
3.17
[0.125]
4.57
[0.18]
DIA
2 PLACES
Sensor
18 mm Actuator
67.06
[2.640]
2.03
[.080]
M18X1
36.47
[1.436]
13.72
[0.54]
15.87
[0.625]
36.47
[1.436]
13.72
[0.54]
15.87
[0.625]
4.57
[0.180]
DIA
19.81
[0.78]
3.17
[0.125]
15.42
[0.607]
2 PLACES