Page top

D4B-[]N

Safety Limit Switch

D4B-[]N

Robust safety limit switch with metal housing Slow-action and snap-action contact with certified direct opening operation certification.

Caution: All units are in millimeters unless otherwise indicated.

Note: Omitted dimensions are the same as those for the Roller Lever Type Models
           D4B-2[][][]N have a G1/2 conduit opening.
           D4B-4[][][]N have a M20 conduit opening.

Switches

Roller Lever
D4B-[][]11N

D4B-[]N Dimensions 3

Roller Lever (Stainless Steel Roller)
D4B-[][]15N

D4B-[]N Dimensions 4

Adjustable Roller Lever *2
D4B-[][]16N

D4B-[]N Dimensions 5

Adjustable Rod Lever *2
D4B-[][]17N

D4B-[]N Dimensions 6

Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
*1. The lever can be set to any desired position by turning the operating position indicator.
*2. In terms of construction, the Switch is a General-purpose Limit Switch rather than a Safety Limit Switch.

D4B-[]N Dimensions 8

Note: Variation occurs in the simultaneity of contact opening/closing operations of 2NC contacts. Check contact operation.
*1. The operating characteristics of these Switches were measured with the roller level set at 31.5 mm.
*2. The operating characteristics of these Switches were measured with the rod level set at 140 mm.
*3. Only for slow-action models.
*4. Only for snap-action models.
*5. Reference values.
*6. Must be provided to ensure safe operation.

Plunger
D4B-[][]70N

D4B-[]N Dimensions 9

Roller Plunger
D4B-[][]71N

D4B-[]N Dimensions 10

Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.

D4B-[]N Dimensions 12

Note: Variation occurs in the simultaneity of contact opening/closing operations of 2NC contacts. Check contact operation.
*1. Only for slow-action models.
*2. Only for snap-action models.
*3. Reference values.
*4. Must be provided to ensure safe operation.