LK Automation Limited LK Automation Limited
Brand: OMRON
Go Back >> Product Catalogues
D4F-420-1R Small Safety Limit Switch
OMRON D4F-420-1R Manual And Instructions
D4F-420-1R datasheetPDF datasheet
D4F-420-1R INSTRUCTION sheet

OMRON D4F-420-1R Product information and technical parameters:
Brand: OMRON
Name: Small Safety Limit Switch
Model: D4F-420-1R
Actuator: Roller lever (Metal lever, resin roller).
Cable length: 1 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.
Conforms to EN115-1, EN81-1 and EN81-2.
(slow-action models only).
Certified standards: UL, EN (TÜV), and CCC.

Number of beams: 22.
Protective height: 545mm.
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 D4F-420-1R. Operating: Appearance, 40-dia. head Medium Push-lock Turn-reset A22E-M;
Contact Configuration, 1NO + 1NC D4F-420-1R
Color of cap: Red.
Install in 22-dia. or 25-dia. Panel Cutout.
Direct opening mechanism to open the circuit when the contact welds.
Safety lock mechanism prevents operating errors.
Easy mounting and removal of Switch Blocks using a lever.
Mount three Switch Units in series to improve wiring efficiency,
(with non-lighted Switch Units, three Units can be mounted for,
multiple contacts) D4F-420-1R.
Finger protection mechanism on Switch Unit provided as a,
standard feature.
Install using either round, or forked crimp terminals.
Oil-resistant to IP65 (non-lighted models)/IP65 (lighted models),
A lock plate is provided as a standard feature to ensure that the,
control box and switch are not easily separated D4F-420-1R. Actuator: Adjustable rod lever.
Conduit openings: M20.
1NC/1NO (Slow-action).
Robust safety limit switch with metal housing.
Slow-action and snap-action contact with,
certified direct opening operation certification.
Direct opening mechanism (NC contacts only) added to,
enable opening contacts when faults occur, such as fused contacts.
Safety of lever settings ensured using a mechanism that,
engages a gear between the operating position indicator plate and the lever.
Equipped with a mechanism that indicates the applicable,
operating zone, as well as push-button switching to control left and right motion.
Head seal structure strengthened to improve seal properties.
(TÜV: IEC IP67, UL: NEMA 3, 4, 4X, 6P, and 13).
Wide standard operating temperature range: –40 to 80°C (standard type).
Certified standards: UL, CSA, EN (TÜV), and CCC.
Actuator: Adjustable roller lever, form lock (metal lever, rubbe roller).
Conduit size: 2-conduit; M20.
Built-in switch mechanism: 1NC/1NO MBB(Slow-action).
Popular Safety Limit Switches.
Providing a Full Lineup Conforming to,
International Standards.
Lineup includes models with 1NC/1NO, 2NC, 2NC/1NO and,
3NC conttact forms D4F-420-1R.
(Slow-action models with MBB contacts are available.)
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 D4F-420-1R.
Conforms to EN115-1, EN81-1, and EN81-2 (slow-action models only).
Certified standards: UL, EN (TÜV), and CCC.


...More relevant models >>>>
Last one: OMRON D4F-302-5D
next one: OMRON D4F-420-1D