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Building Automation


Industrial Automation


Power Automation & Safety

Bangladesh Distributor

D4F

Small Safety Limit Switch

D4F

Smallest Class of Safety Limit Switches in the World

about this Product Family

Caution: All units are in millimeters unless otherwise indicated.

Roller lever (Metal lever, resin roller)
D4F-[]20-[]R

D4F Dimensions 1

Roller plunger (Metal roller)
D4F-[]02-[]R

D4F Dimensions 2

Roller lever (Metal lever, resin roller)
D4F-[]20-[]D

D4F Dimensions 3

Roller plunger (Metal roller)
D4F-[]02-[]D

D4F Dimensions 4

Note: Each dimension has a tolerance of 0.4 mm unless otherwise specified.

Slow-action (1NC/1NO), (2NC), (2NC/2NO), and (4NC)

D4F Dimensions 6

Note: Variation occurs in the simultaneity of contact opening/closing operations of 2NC, 2NC/2NO, and 4NC contacts.
          Check contact operation.
*1. The OF value is the maximum load that opens an NC contact (11-12, 21-22, 31-32, 41-42).
*2. The RF value is the minimum load that closes an NC contact (11-12, 21-22, 31-32, 41-42).
*3. The PT2 and TT values are reference values.
*4. The D4F is used in accordance with EN81 and EN115 at a minimum DOT of 30° and 2.8 mm.