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A

General-purpose Basic Switch

A

High-capacity Switch Capable of Handling 20 A Loads with Large Inrush Currents

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last update: September 24, 2012

Ratings

Rated
voltage
(V) 		Non-inductive load (A) Inductive load (A)
Resistive
load 		Lamp load Inductive
load 		Motor load
NC NO NC NO NC NO NC NO
125 VAC
250 VAC
500 VAC 		20
20
15		 7.5
7.5
4		 20
20
10		 12.5
8.3
2
8 VDC
14 VDC
30 VDC
125 VDC
250 VDC 		20
20
6
0.5
0.25		 3
3
3
0.5
0.25		 1.5
1.5
1.5
0.5
0.25		 20
15
5
0.05
0.03		 12.5
12.5
5
0.05
0.03

Note: 1. The above values are for steady-state current.
           2. Inductive load has a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
           3. Lamp load has an inrush current of 10 times the steady-state current.
           4. Motor load has an inrush current of 6 times the steady-state current.
           5. The ratings values apply under the following test conditions:
                (1) Ambient temperature: 20±2°C
                (2) Ambient humidity: 65±5%RH
                (3) Operating frequency: 20 operations/min

Characteristics

Operating speed 0.01 mm to 1m/s * 1
Operating frequency Mechanical 240 operations/min
Electrical 20 operations/min
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 15 mΩ max. (initial value)
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between
terminals of the same polarity
2,000 VAC, 50/60 Hz for 1 min between the
current-carrying metal parts and the ground,
and between each terminal and non-current-
carrying metal parts
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude * 2
Shock resistance Destruction 1,000 m/s2 max.
Malfunction 300 m/2 max. * 1 * 2
Durability Mechanical 1,000,000 operations min.
Electrical 500,000 operations min.
Degree of protection IP00
Degree of protection against electric shock Class I
Proof tracking index (PTI) 175
Ambient operating temperature -25 ° C to 80 ° C (with no icing)
Ambient operating humidity 35% to 85%RH
Weight Approx. 22 to 58 g

*1. The value is for the pin plunger. (Contact your OMRON representative for other models.)
*2. Malfunction: 1 ms max.

Contact Specification

Contacts Shape Rivet
Material Silver alloy
Gap (standard value) 0.5 mm
Inrush current NC 75 A max.
NO 75 A max.

last update: September 24, 2012

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