Operating Characteristics - Omron A3C Series Mounting And Wiring Instructions

Pushbutton switch (lighted/non-lighted) (cylindrical 12-dia.)

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Approved Standard Ratings

UL (File No. E41515), CSA (File No. LR45258)

Standard Load:

0.5 A at 250 VAC

1 A at 125 VAC

1 A at 30 VDC

Microload:

0.1 A at 125 VAC

0.1 A at 30 VDC

Note: Certification has been obtained for the Switch Unit.

For detailed information on individual products that have received

certification, consult your supplier.

CCC (GB14048.5)

Standard Load:

0.5 A at 250 VAC

Microload:

0.1 A at 250 VAC

Ratings

Model

Item

AC resistive load

0.5 A at 250 VAC

Standard load

1 A at 125 VAC

Microload

0.1 A at 125 VAC

Note: The above ratings are for testing under the following conditions:

1) Load: Resistive load

2) Mounting conditions: No vibrations or shock

3) Temperature: 20°C ± 2°C

4) Operation frequency: 20 operations/minute

* The minimum permissible load is 1 mA, 5 VDC.

LED Lamp

Rated voltage

Rated current

5 VDC

30 mA

12 VDC

15 mA

24 VDC

10 mA

Incandescent Lamp

Rated voltage

Rated current

6 VAC/DC

60 mA

14 VAC/DC

40 mA

28 VAC/DC

24 mA

DC resistive load

1 A at 30 VDC

0.1 A at 30 VDC

Operating

Internal limiting

voltage

resistance

5 VDC ± 5%

33 Ω

12 VDC ± 5%

270 Ω

24 VDC ± 5%

1,600 Ω

Operating voltage

5 VAC/DC

12 VAC/DC

24 VAC/DC

Characteristics

Momentary-action models: 120 operations/minute max.

Operat-

Mechanical

Alternate-action models: 60 operations/minute max. *1

ing fre-

quency

Electrical

20 operations/minute max.

Standard load

50mΩ max.

Contact

Resis-

tance

Microload

100mΩ max.

Insulation resistance

100 MΩ min. (at 500 VDC)

Between terminals

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

of same polarity

Between terminals

2,000 VAC, 50/60 Hz for 1 min

of different polarity

Dielectric

strength

Between each

2,000 VAC, 50/60 Hz for 1 min

terminal and ground

Between lamp

1,000 VAC, 50/60 Hz for 1 min *2

terminals

Vibration

resis-

Malfunction

10 to 55 Hz, 1.5-mm double amplitude *3

tance

Shock

Destruction

500 m/s

resis-

Malfunction

150 m/s

tance

Momentary-operation models: 1,000,000 operations min.

Mechanical

Alternate-operation models: 100,000 operations min. *1

Durability

Electrical

100,000 operations min.

Approx. 5 g <The weight indicated here applies

Weight

to the lighted models (SPST-NO+SPST-NC).>

−10°C to +55°C (with no icing or condensation)

Ambient operating temperature

Ambient operating humidity

35% to 85%RH

−25°C to +65°C (with no icing or condensation)

Ambient storage temperature

Degree of protection

IP40

Electric shock protection class

Class II

PTI (proof tracking index)

175

Pollution degree

3 (IEC60947-5-1)

*1. With alternate-operation models, one operation cycle consists of set and

reset operations.

*2. The figure given above for the dielectric strength between lamp terminals is

for when there is no LED lamp or incandescent lamp mounted.

*3. No malfunction for more than 1s.