Specifications

Specifications table for model CP1a-12V
ItemPerformance characteristics
Terminal TypePC board type
Contact Arrangement1 Form A
Packing QuantityTube
Protective ConstructionSealed
Operating Function Single side stable
Rated Coil Voltage12V DC
Operate (Set) Voltage (at20°C) (Initial) Max. 7.2V DC
Release (Reset) voltage (at20°C) (Initial)Min. 1.0V DC
Rated Operating Current [±10%] (at 20°C)53.3 mA
Coil Resistance (At 20oC)225Ω
Rated Operating Power (at 20°C) 640 mW
Usable Voltage Range10 to 16V DC
Contact Resistance (Initial)Max. 100mΩ (N.O. side: typ. 6mΩ, N.C. side: typ. 8mΩ) (By voltage drop 1A 6V DC)
Contact MaterialAg alloy
Nominal Switching Capacity (Resistive Load) 20A 14V DC
Contact Data: Max. Carrying Current40A/2 min., 30A for 1 hour (Coil applied voltage 12V DC, at 20°C 68°F)
35A/2 min., 25A for 1 hour (Coil applied voltage 12V DC, at 85°C 185°F)
Min. Switching Load (Resistive) 1A 14V DC (at 20°C 68°F)
Contact Voltage Drop (Initial)Max. 0.2 V (By voltage drop at 10 A, 12 V DC)
Insulation Resistance (Min. MΩ)(Initial)Min. 100 MΩ (at 500V DC, Measurement at same location as [Dielectric strength] section.)
Dielectric Strength (Between Open Contacts) (Initial)500 Vrms for 1 min. (Detection current: 10mA)
Dielectric Strength (Between Contacts and Coil) (Initial)500 Vrms for 1 min. (Detection current: 10mA)
Operate (Set) Time<br>(At Rated Coil Voltage) (At 20oC) (Initial)Max. 10ms (without contact bounce time)
Release (Reset) Time<br>(at Rated Coil Voltage) (at 20&deg;C) (Initial)Max. 10ms (Without contact bounce time) (Without diode)
Shock Resistance: Functional Min. 100 m/s2 [approx. 10G] (Half-wave pulse of sine wave: 11ms; detection time: 10µs)
Shock Resistance: DestructiveMin. 1,000 m/s2 [approx. 100G] (Half-wave pulse of sine wave: 6ms)
Vibration Resistance: Functional10 to 100 Hz, Min. 44.1 m/s2 [approx. 4.5G] (detection time: 10µs)
Vibration Resistance: Destructive10 to 500 Hz, Min. 44.1m/s2[approx. 4.5G]
(Time of vibration for each direction; X, Y direction: 2 hours, Z direction: 4 hours)
Expected Life: Mechanical LifeMin. 107 (at 120 cpm)
Expected Life: Electrical[Resistive load]
Min. 105 at rated switching capacity,
Operating frequency: 1s ON, 9s OFF
[Motor load]
Min. 2x105 (Inrush 25 A, steady 5A at 14V DC)
Min. 105 (20A 14V DC, at motor lock)
(Operating frequency: 0.5s ON, 9.5s OFF)
ConditionsAmbient temperature: –40 to +85°C –40 to +185°F, Humidity: 5 to 85% R.H.
(Please avoid icing or condensation)
Weight (Typ.)Approx. 4 g .14 oz
Inner Carton (Pieces)40
Outer Carton (Pieces) 1,000

Stock check

Model image for CP1a-12V

CP1a-12V

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