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D40A/G9SX-NS

Safety controllers

Compact non-contact door switch/
flexible safety unit

Electronic detection mechanism for better stability in non-contact door switch 
operation

• Stable operation reduces controller errors caused by unstable doors.

• Connect up to 30 non-contact door switches with LED indicators to one controller.

• Reversible switch provides flexibility in installation.

• Two-color LED indicator enables easier maintenance by identification of door 

status and cable disconnections.

• Safety category 3 (EN 954-1).

Ordering information

Non-contact door switches (Switch/Actuator)

On-contact door switch controllers (Controllers for D40A)

Specifications

Ratings/Characteristics of non-contact door switches

Classification

Auxiliary outputs

Cable length

Order code

Standard models

 Semiconductor outputs 

*1

*1

PNP open-collector semiconductor output.

Note: Must be used in combination with a G9SX-NS_ non-contactdoor switch controller. 

2 m

D40A-1C2

5 m

D40A-1C5

Safety outputs 

*1

*1

P channel MOS FET transistor output

Auxiliary 
outputs 

*2

*2

PNP transistor output

Logical AND 
connection input

Logical AND 
connection output

Max. OFF 
delay time 

*3

*3

The OFF-delay time can be set in 16 steps as follows:
0/0.2/0.3/0.4/0.5/0.6/0.7/0.8/0.9/1.0/1.2/1.4/1.8/2.0/2.5/3.0 s

Rated 
voltage

Terminal block type

Order code

Instantaneous

OFF-delayed 

*4

*4

The OFF-delayed output becomes an instantaneous output by setting the OFF-delay time to 0 s.

2 (Semi-
conductors)

0

2 (Semi-
conductors)

1

1

24 VDC

Screw terminals

G9SX-NS202-RT

Spring-cage terminals

G9SX-NS202-RC

2 (Semi-
conductors)

3.0 s

Screw terminals

G9SX-NSA222-T03-RT

Spring-cage terminals

G9SX-NSA222-T03-RC

Item

Model

D40A-1C_

Operating 
characteristics 

*1

*1

This is the distance where the switch operates from OFF to ON when approaching and the distance where the switch operates from ON to OFF when separating when the switch and actuator target
marks are on the same axis, and the sensing surfaces coincide.

Operating distance OFF

ON

5 mm min.

Operating distance ON

OFF

15 mm max.

Differential travel (max.)

20% of operating distance

Ambient operating temperature

10 to 55

°

C (no icing or condensation)

Vibration resistance

10 to 55 to 10 Hz (single amplitude: 0.75 mm, double amplitude: 1.5 mm)

Shock resistance

300 m/s

2

 min.

Degree of protection

IP67

Material

PBT resin

Mounting method

M4 screws

Power consumption

0.6 W max.

Auxiliary outputs 

*2

*2

Turns ON when the actuator is approaching. 

24 VDC, 10 mA (PNP open-collector outputs)

LED indicators

Actuator not detected (red); actuator detected (yellow)

Connection cables

2 m, 5 m

Number of connectable switches

30 max. (wiring length: 100 m max.)

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