Receptacle box: G 1/2 Conduit.
Indicator: Without indicator.
Actuator: Roller lever *1, Low-torque.
Approved standards: UL, CSA.
The Limit Switch with Better Seal,
Shock Resistance, and Strength.
A double seal on the head, a complete gasket cover, and,
other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13).
Wide standard operating temperature range:
-40°C to +100°C (standard type) D4N-8B31
Models with fluoro-rubber available for greater resistance to chemicals.
Block mounting method also reduces downtime for maintenance.
DPDT, double-break models available for complex operations.
Approved by UL, CSA, and CCC (Chinese standard).
(Ask your OMRON representative for information on approved model.) Release key type: Special release key.
Indicator: Orange.
Lock and release types: Mechanical lock Solenoid release.
Contact configuration(door open/closed detection switch,
and lock monitor switch contacts): 3NC+2NC/1NO.
Conduit opening: G1/2.
Holding Force of 3,000 N.
Two safety circuits and two monitor contacts provide an,
array of monitoring patterns.
Standard gold-clad contacts enable use with ordinary loads,
and microloads.
Models with trapped keys prevent workers from being locked,
in hazardous work areas.
Models with rear release buttons allow people to unlock the,
Switch and escape if they are locked into hazardous areas.
IP67 degree of protection. Number of beams: 58.
Protective height: 875mm.
Model: NPN output.
Basic Type with a combination of.
performance and functionality.
Up to three sets of series-connected sensors.
The muting function is enabled simply with Muting Key Cap.
Comes standard with interlock and auxiliary output functions. Appearance: Knob-type Selector Switch A22W,
LED lighting (without Voltage Reduction Unit).
Number of notches: 3 notches.
Resetting method: Automatic.
Output: SPST-NC.
Operating voltage: 24 VAC/VDC.
Illumination color: R (red); Y (yellow); G (green); A (blue).
Install in 22-dia. or 25-dia. Panel Cutout.
Lever for easily mounting and removing the Switch Unit.
Finger protection mechanism on Switch Unit provided as a standard feature.
Use 25-dia. ring to install in 25-dia. panel cutouts.
Mounted using either open-type (fork-type) or closed-type,
(round-type) crimp terminals.
IP65 oil resistance (non-lighted models).
IP65 (lighted models).
D4N-8B31 Operation manual/Instructions/Model selection sample download link: /searchDownload.html?Search=D4N-8B31&select=5