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D4N-_R

Features

Safety limit switch with manual reset

The D4NR family is a complete line-up of safety-limit switches with manual reset. They are available with one, two or three built-in contacts and a wide range of actuator types. To set up easy installation and maintenance, various conduit types, e.g. M20 and M12 connector types, are provided.

  • Direct opening mechanism
  • Various actuators
  • Pull-reset switches
  • Gold-plated contacts for handling micro loads
  • Metric conduit types available
Specifications & ordering info

Ordering information

Switches

Conduit size

Order code

Built-in switch mechanism

1NC/1NO
(slow-action)

2NC/1NO
(slow-action)

 

Roller lever
(resin lever, resin roller)

1-conduit

M20

D4N-4A20R

D4N-4C20R

M12 connector

D4N-9A20R

 

 

 

Adjustable roller lever, form lock
(metal lever, rubber roller)

1-conduit

M20

D4N-4A2HR

D4N-4C2HR

M12 connector

D4N-9A2HR

 

Plunger

1-conduit

M20

D4N-4A31R

D4N-4C31R

M12 connector

D4N-9A31R

 

Roller plunger

1-conduit

M20

D4N-4A32R

D4N-4C32R

M12 connector

D4N-9A32R

Specifications

Degree of protection

IP67 (EN60947-5-1)

Durability

Mechanical

1,000,000 operations min.

Electrical

500,000 operations min. for a resistive load of 3 A at 250 VAC

300,000 operations min. for a resistive load of 10 A at 250 VAC

Operating speed

1 mm/s to 0.5 m/s (D4N-1A20R)

Operating frequency

30 operations/minute max.

Protection against electric shock

Class II (double insulation)

Pollution degree (operating environment)

3 (EN60947-5-1)

Contact gap

Snap-action: 2×0.5 mm min
Slow-action: 2×2 mm min

Rated open thermal current (I th )

10 A (EN60947-5-1)

Ambient temperature

Operating: -30°C to 70°C with no icing

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