Specification

Specifications table for model AHER3191
ItemPerformance characteristics
Operating Function Single side stable
Rated Coil Voltage12 V DC
Contact Arrangement4 Form A
Protective ConstructionFlux-resistant
Terminal TypePC board terminal
Packing QuantityCarton
Packing Quantity; Inner Carton (Pcs.) 10
Packing Quantity; Outer Carton (Pcs.)50
Operate Voltage (@20oC)Max. 75% V of rated coil voltage (Initial)
Release Voltage (at20°C) Min. 5% V of rated coil voltage (Initial)
Rated Operating Current [±10%] (at 20°C)333 mA
Resistance [±10%] (at 20°C) 36.0 Ω
Rated Operating Power 4,000 mW
Holding: 490 mW
Max. Allowable Voltage (at 55°C)
110% V of rated coil voltage
Contact Resistance (Initial)Max. 10 mΩ (by voltage drop 6 V DC 20 A after 3 min.)
Max. 3 mΩ (by voltage drop 6 V DC 50 A, reference value)
Contact MaterialAgSnO2 type
Contact Rating (Resistive Load)40 A 480 V AC
Max. Switching Power (Resistive Load) 19,200 VA
Max. Switching Voltage480 V AC
Max. Switching Current50 A
Min. Switching Load (Reference Value) 100 mA 24 V DC
Insulation Resistance (Initial)Min. 1,000 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength)
Dielectric Strength: Between Form A Contact and Form B Contact5,000 Vrms for 1min (detection current: 10 mA)
Surge Withstand Voltage (Initial): Between Contact and Coil10,000 V (Between Form A contact and coil)
Coil Holding Voltage35 to 110% V (at -40 to +55°C, Form A contact: 50 A)
35 to 50% V (at -40 to +85°C, Form A contact: 40 A to 50 A)
Operate Time (Initial) (At 20oC)Max. 50 ms at rated coil voltage (without bounce)
Release Time (Initial) (at 20°C) Max. 30 ms at rated coil voltage (without bounce, without diode)
Hock Resistance (Functional)25 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs)
Hock Resistance (Destructive)980 m/s2 (half-sine shock pulse: 6 ms)
Vibration Resistance (Functional)10 to 55 Hz (at double amplitude of 0.3 mm, detection time: 10 µs)
Vibration Resistance (Destructive)10 to 55 Hz (at double amplitude of 1.5 mm)
Mechanical LifeMin. 100x103 ope. (switching frequency: at 180 times/min)
ConditionsAmbient temperature: -40 to +55°C
(When applied coil hold voltage is 35 to 110 % V of rated coil voltage.)

Ambient temperature: -40 to +85°C
(When applied coil hold voltage is 35 to 50 % V of rated coil voltage or storage.)

Humidity: 5 to 85% RH (Avoid icing and condensation)
Weight (Typ.)Approx. 180g
Resistive Load[switching frequency ON : OFF = 1 s : 9 s]
Min. 30x103 ope. 40 A 480 V AC
Min. 50x103 ope. 32 A 277 V AC

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