General-purpose Limit Switch

D4A-[]N

The Limit Switch with Better Seal, Shock Resistance, and Strength

Approved Standards

Agency

Standard

File No.

UL

UL508

E76675

CSA

CSA C22.2 No.14

LR45746

CCC (CQC)

GB/T14048.5

Contact your OMRON representative for details.

Note: Ask your OMRON representative for information on approved models. 

Ratings

Type

Rated voltage

Non-inductive load (A)

Inductive load (A)

Resistive load

Lamp load

Inductive load

Motor load

NC

NO

NC

NO

NC

NO

NC

NO

SPDT double-break
 (with/without indicator)

125 VAC *
 250 VAC *
 480 VAC
 600 VAC

10
 10
 10
 3

10
 10
 10
 1

3
 2
 1.5
 1

1.5
 1
 0.8
 0.5

10
 10
 3
 1.5

5
 3
 1.5
 1

2.5
 1.5
 0.8
 0.5

8 VDC
 14 VDC
 30 VDC
 125 VDC *
 250 VDC *

10
 10
 6
 0.8
 0.4

6
 6
 4
 0.2
 0.1

3
 3
 3
 0.2
 0.1

10
 10
 6
 0.8
 0.4

6
 6
 4
 0.2
 0.1

DPDT double-break
 (without indicator)

125 VAC
 250 VAC
 480 VAC
 600 VAC

5
 3
 1.5
 1

2
 1
 0.5
 0.4

4
 2
 1
 0.7

3
 1.5
 0.8
 0.5

14 VDC
 30 VDC
 125 VDC
 250 VAC

5
 3
 0.4
 0.2

2
 1
 0.1
 0.05

4
 2
 0.4
 0.2

3
 1.5
 0.1
 0.05

DPDT double-break
 (with in-dicator)

125 VAC
 250 VAC

5
 3

2
 1

4
 2

3
 1.5

12 VDC
 24 VDC
 48 VDC

5
 3
 1

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* For those with indicators, refer to the following rated voltages. 

Item

Type

SPDT, Double-break

DPDT, Double-break

Without indicator

With indi-cator

Without indicator

With in-dicator

Inrush current

Normally closed

30 A max.

Normally open

20 A max.







Note: 1. The above current ratings are for steady-state current.
          2. Inductive loads have a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
          3. Lamp loads have an inrush current of 10 times the steady-state current.
          4. Motor loads have an inrush current of 6 times the steady-state current.

Ratings for Indicators

Classi-fication

Indicator

Model

Rated voltage

Leakage current

Internal resistance

SPDT double-break

Neon lamp

D4A-0300N

125 VAC, 250 VAC

Approx. 0.47 mA

150 k Ω

LED

D4A-0E00N

24 VDC

Approx. 1.3 mA

15 k Ω

DPDT double-break

Neon lamp

D4A-0L00N

125 VAC, 250 VAC

Approx. 0.28 mA

240 k Ω

LED

D4A-0P00N

48 VDC

Approx. 1.4 mA

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Approved Standard Ratings

UL/CSA

A600
 D4A-[]1[][]N (SPDT, Double-break, Without Indicator)
 

Rated voltage

Carry current

Current (A)

Volt-amperes (VA)

Make

Break

Make

Break

120 VAC
 240 VAC
 480 VAC
 600 VAC

10 A

60
 30
 15
 12

6
 3
 1.5
 1.2

7,200

720

A300
 D4A-[]3[][]N (SPDT, Double-break, With Neon Lamp)
 

Rated voltage

Carry current

Current (A)

Volt-amperes (VA)

Make

Break

Make

Break

120 VAC
 240 VAC

10 A

60
 30

6
 3

7,200

720

B600
 D4A-[]5[][]N (DPDT, Double-break, Simultaneous Operation)
 D4A-[]7[][]N (DPDT, Double-break, Sequential Operation)
 D4A-[]9[][]N (DPDT, Double-break, Center Neutral Operation)
 

Rated voltage

Carry current

Current (A)

Volt-amperes (VA)

Make

Break

Make

Break

120 VAC
 240 VAC
 480 VAC
 600 VAC

5 A

30
 15
 7.5
 6.0

3
 1.5
 0.75
 0.6

3,600

360

CCC (GB/T14048.5)

Applicable category and ratings

AC-15 2 A/125 VAC

Characteristics

Degree of protection
 (reference standards)

IP67 and NEMA 1, 2, 3, 4X, 5, 6P, 12, and 13

Durability
 *2

Mechanical *1

SPDT, double-break, roller lever: 50,000,000 operations min.
 DPDT, double-break, roller lever: 30,000,000 operations min.

Electrical

SPDT, double-break: for 125 VAC, 10 A resistive load: 1,000,000 operations min.
 DPDT, double-break: for 125 VAC, 5 A resistive load: 750,000 operations min.

Operating speed

1 mm/s to 2 m/s (in case of D4A-3101N roller lever model)

Operating
 frequency

Mechanical

300 operations/minute

Electrical

30 operations/minute

Rated frequency

50/60 Hz

Insulation resistance

100 MΩ min. (at 500 VDC) between terminals of the same polarity, between current-carrying metal parts and ground, and between each terminal and non-current-carrying metal part

Contact resistance

25 mΩ max. (initial value)

Temperature rise

50°C max.

Dielectric
 strength

Between terminals of same
 polarity

1,000 VAC, 50/60 Hz for 1 min.

Between current-carrying
 metal parts and ground

2,200 VAC, 50/60 Hz for 1 min. *3

Between each terminal and
 non-current-carrying metal
 part

2,200 VAC, 50/60 Hz for 1 min. *3

Pollution degree (operating environment)

3

Protection against electric shock

Class I (with grounding terminal)

Vibration
 resistance

Malfunction *4

10 to 55 Hz, 1.5-mm double amplitude

Shock
 resistance

Destruction

1,000 m/s2 max.

Malfunction *4

SPDT, double-break, roller lever: 600 m/s2 max.
DPDT, double-break, roller lever: 300 m/s2 max.

Ambient operating humidity

35% to 95%RH (with no icing)

Weight

Approx. 290 g (in case of D4A-3101N)

Note: The above figures are initial values.
 1. Excluding maintained models.
 2. The values are calculated at an operating temperature of +5°C to +35°C, and an operating humidity of 40% to 70%RH. Contact your OMRON sales representative for more detailed information on other operating environments.
 3. 1,500 VAC is applied to the indicator lamp type.
 4. Not including Flexible rods (cat whisker, plastic rod, coil spring, and spring wire types).

Type

Roller lever * 1

Plunger, flexible rod * 2

With indicator

Ambient tempera-ture

-40°C to +100°C

-20°C to +100°C

-10 ° C to +80 ° C

1. Excluding low-torque and high-sensitivity models.
 2. Including roller lever low-torque and high-sensitivity operating models.