Enviro-LOGO

General-purpose Limit Switch D4A-[]N

Categories , Tag

• A double seal on the head, a complete gasket cover, and other features ensure a better seal (meets UL NEMA 3, 4, 4X, 6P, 12, 13).

• Wide standard operating temperature range:
−40°C to +100°C (standard type).

• Models with fluoro-rubber available for greater resistance to chemicals.

• Block mounting method also reduces downtime for maintenance.

• DPDT, double-break models available for complex operations.

• Approved by UL, CSA, and CCC (Chinese standard). (Ask your OMRON representative for information on approved model.)

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

 

* 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

 

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)