Release key type: Trapped key *1.
Indicator: Green.
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: M20.
Holding Force of 3,000 N.
Two safety circuits and two monitor contacts provide an,
array of monitoring patterns OMRON Pull-reset Safety Limit Switch PDF datasheet D4N-4B20R
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. Actuator: Roller lever (Metal lever, resin roller) OMRON Pull-reset Safety Limit Switch PDF datasheet.
Cable length: 3 m.
Pull-outing direction of cable: Horizontal.
Built-in switch: 4NC (slow-action).
Smallest Class of Safety Limit Switches the World.
The world''s smallest limit switch with a direct opening,
mechanism (four-contact construction model).
High-sensitivity safety limit switch.
Built-in switches with two- or four-contact construction are available.
Degree of protection: IP67 OMRON Pull-reset Safety Limit Switch PDF datasheet.
Conforms to EN115-1, EN81-1 and EN81-2.
(slow-action models only).
Certified standards: UL, EN (TÜV), and CCC. Direction of Operation Key insertion: Vertical D4N-4B20R PDF datasheet.
Cable length: 3 m.
2NC (Slow-action).
Slim Safety Door Switches with IP67 Rating.
Slim design with a width of only 17 mm.
(three-contact models) D4N-4B20R PDF datasheet.
Reversible design allowing either front or rear mounting.
Built-in Switches with two- or three-terminal contact.
construction are available.
Operation Key with rubber mounting hole to absorb vibration and shock.
IP67 degree of protection. Actuator: One-way roller arm lever (horizontal) D4N-4B20R PDF datasheet.
Conduit size: 1-conduit; M12 connector.
Built-in switch mechanism: 1NC/1NO(Snap-action).
Popular Safety Limit Switches.
Providing a Full Lineup Conforming to,
International Standards.
Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and,
3NC contact forms.
(Slow-action models with MBB contacts are available D4N-4B20R PDF catalog. )
M12-connector models are also available, saving on labor and,
simplifying replacement.
Standardized gold-clad contacts provide high contact reliability.
Can be used witth both standard loads and microloads OMRON Pull-reset Safety Limit Switch PDF datasheet.
Conforms to EN115-1, EN81-1, and EN81-2 (slow-action models only).
Certified standards: UL, EN (TÜV), and CCC.