D4N-4FRE datasheet(7/20 Pages) OMRON

7 / 20 page

D4N

Structure and Nomenclature

Structure

Direct Opening Mechanism

1NC/1NO Contact (Slow-action)

2NC Contact (Slow-action)

Pg13.5

G1/2

M20

M12 connector

Note: M12 connector types are not available for

Switches with three contacts.

Head

The direction of the switch head can be varied to any of

the four directions. (Roller plunger models can be

mounted in either of two directions at a 90° angle.)

Conduit Opening

A wide variety of conduits is available.

Built-in Switch

The built-in switch has a direct opening mechanism

that forcibly separates the NC contact even when

there is contact deposit.

Safety-oriented Lever Setting

(Form-lock construction)

Grooves which engage the lever are cut in the lever and

rotary shaft to prevent the lever from slipping against the

rotary shaft.

There are resin-lever and metal-lever types.

Cover

The cover, with a hinge on its lower part, can

be opened by removing the screw of the

cover, which ensures ease of maintenance

and wiring.

Size

Box

1-conduit

2-conduit

Yes

---

Yes

---

Contact spring

Return spring

Fixed contact (NC)

Fixed contact (NO)

Plunger

Movable contact

Conforms to EN60947-5-1 Direct Opening Operation

(Only the NC contact side has a direct opening

mechanism.)

When contact welding occurs, the contacts are

separated from each other by the plunger being

pushed in.

Contact spring

Fixed contact (NC)

Plunger

Movable contact

Return spring

Conforms to EN60947-5-1 Direct Opening Operation

(Both NC contacts have a direct opening

mechanism.)

When contact welding occurs, the contacts are

separated from each other by the plunger being

pushed in.

D4N-4FRE Datasheet(PDF) 7 Page - Omron Electronics LLC

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