Contact arrangement |
1 Form C |
Operating function |
Single side stable |
Rated coil voltage |
12 V DC |
Terminal shape |
Plug-in type |
Vibration resistance (Destructive) |
33 Hz, Min. 44.1 m/s<sup>2</sup> [approx. 4.5G] (Time of vibration for each direction; X, Y direction: 2 hours, Z direction: 4 hours) |
Vibration resistance (Functional) |
33 Hz, Min. 44.1 m/s<sup>2</sup> [approx. 4.5G] (Detection time: 10μs) |
Protective construction |
Sealed |
Conditions |
Ambient temperature: –30 to +80℃, Humidity: 5 to 85% RH (Avoid icing and condensation) |
Contact material |
Ag alloy |
Unit weight |
Approx. 31 g |
Dielectric strength (Between contacts and coil) (Initial) |
500 Vrms for 1 min. (Detection current: 10mA) |
Dielectric strength (Between open contacts) (Initial) |
500 Vrms for 1 min. (Detection current: 10mA) |
Inner carton (pieces) |
20 |
Insulated resistance (Initial) |
Min. 10 MΩ (at 500V DC, Measurement at same location as [Dielectric strength] section.) |
Min. switching load (resistive) |
1A 14V DC (at 20℃) |
Mounting type |
Screw mounting type |
Outer carton (pieces) |
200 |
Rated switching capacity (resistive) |
20A 12V DC |
Shock resistance: Destructive |
Min. 1,000 m/s<sup>2</sup> [approx. 100G] (Half-wave pulse of sine wave: 6ms) |
Shock resistance: Functional |
Min. 100 m/s<sup>2</sup> [approx. 10G] (Half-wave pulse of sine wave: 11ms; detection time: 10μs) |
Usable voltage range |
10 to 15V DC |
Model Number |
CA1R-DC12V-N |
Part Number |
ACA3253 |
Contact resistance |
Max. 50mΩ (typ. 3mΩ) (By voltage drop 1A 6V DC) Initial |
Contact data: max. carrying current |
20A continuous (Coil applied voltage 14V DC, at 80℃) |
Expected life [mechanical] |
Min. 5 x 10<sup>5</sup> (at 120 cpm) |
Expected life [electrical] [resistive] |
[Resistive load] Min. 10<sup>5</sup><br>at rated switching capacity, operating frequency: 2s ON, 2s OFF<br>[Motor load] Min. 10<sup>5</sup> at 12V DC, 100A (Inrush), 20A (Steady),<br>Operating frequency: 2s ON, 2s OFF<br>[Halogen lamp load] Min. 10<sup>5</sup> at 12V DC, 100A (Inrush), 20A (Steady)<br>Operating frequency: 1s ON, 14s OFF |
Contact voltage drop (after electrical life test) |
Max. 0.4 V (By carring 20 A 12V DC) |
Protective element |
With resistor inside |
Water-proof standard |
JIS D0203 S2 |
[[Coil data]]Coil resistance [±10%] (at 20℃) |
80 Ω |
Operate (Set) time<br>(at rated coil voltage) (at 20℃) (Initial) |
Max. 10ms (without contact bounce time) |
Operate (Set) voltage (at20℃) (Initial) |
Max. 8V DC |
Rated operating current [±10%] (at 20℃) |
160.9 mA |
Release (Reset) time<br>(at rated coil voltage) (at 20℃) (Initial) |
Max. 10ms (Without contact bounce time) (Without diode) |
Release (Reset) voltage (at20℃) (Initial) |
Min. 0.6V DC |