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) |
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Resistive load |
Lamp load |
Inductive load |
Motor load |
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NC |
NO |
NC |
NO |
NC |
NO |
NC |
NO |
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SPDT double-break |
125 VAC * |
10 |
10 |
3 |
1.5 |
10 |
5 |
2.5 |
|
8 VDC |
10 |
6 |
3 |
10 |
6 |
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DPDT double-break |
125 VAC |
5 |
2 |
4 |
3 |
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14 VDC |
5 |
2 |
4 |
3 |
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DPDT double-break |
125 VAC |
5 |
2 |
4 |
3 |
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12 VDC |
5 |
--- |
--- |
--- |
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* For those with indicators, refer to the following rated voltages.
Item |
Type |
SPDT, Double-break |
DPDT, Double-break |
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Without indicator |
With indi-cator |
Without indicator |
With in-dicator |
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Inrush current |
Normally closed |
30 A max. |
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Normally open |
20 A max. |
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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 |
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120 VAC |
10 A |
60 |
6 |
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 |
10 A |
60 |
6 |
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 |
5 A |
30 |
3 |
3,600 |
360 |
CCC (GB/T14048.5)
Applicable category and ratings |
AC-15 2 A/125 VAC |
Characteristics
Degree of protection |
IP67 and NEMA 1, 2, 3, 4X, 5, 6P, 12, and 13 |
|
Durability |
Mechanical *1 |
SPDT, double-break, roller lever: 50,000,000 operations min. |
Electrical |
SPDT, double-break: for 125 VAC, 10 A resistive load: 1,000,000 operations min. |
|
Operating speed |
1 mm/s to 2 m/s (in case of D4A-3101N roller lever model) |
|
Operating |
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 |
Between terminals of same |
1,000 VAC, 50/60 Hz for 1 min. |
Between current-carrying |
2,200 VAC, 50/60 Hz for 1 min. *3 |
|
Between each terminal and |
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 |
Malfunction *4 |
10 to 55 Hz, 1.5-mm double amplitude |
Shock |
Destruction |
1,000 m/s2 max. |
Malfunction *4 |
SPDT, double-break, roller lever: 600 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.