Specification

Specifications table for model ALF1P18
ItemPerformance characteristics
Terminal TypePC board terminal
Rated Coil Voltage18 V DC
Contact Arrangement1 Form A
Protective ConstructionFlux-resistant
Operating Function Single side stable
Coil Insulation ClassClass E insulation
Insulation Distance[Between contact and coil]
Clearance: Min. 8 mm, Creepage: Min. 9.5 mm
Packing Quantity; Inner Carton (Pcs.) 50
Operate Voltage (@20oC)Max. 70% V of rated coil voltage (Initial)
Packing Quantity; Outer Carton (Pcs.)200
Release Voltage (at20°C) Min. 10% V of rated coil voltage (Initial)
Rated Operating Current [±10%] (at 20°C)50 mA
Resistance [±10%] (at 20°C) 360 Ω
Rated Operating Power 900 mW
Max. Allowable Voltage 110% V of rated coil voltage (at 60°C)
Contact ShapeSingle
Contact Resistance (Initial)Max. 100 mΩ (by voltage drop 6 V DC 1 A)
Contact MaterialAgSnO2 type
Contact Rating (Resistive Load)20 A 250 V AC
Max. Switching Power (Resistive Load) 6,250 VA
Max. Switching Voltage250 V AC
Max. Switching Current25 A (AC)
Min. Switching Load (Reference Value) 100 mA 5 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 (Initial): Between Open Contacts1,000 Vrms for 1 min (detection current: 10 mA)
Dielectric Strength (Initial): Between Contact and Coil5,000 Vrms for 1 min (detection current: 10 mA)
Surge Withstand Voltage (Initial): Between Contact and Coil10,000 V
Operate Time (Initial) (At 20oC)Max. 20 ms at rated coil voltage (without bounce)
Hock Resistance (Functional)100 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs)
Release Time (Initial) (at 20°C) Max. 15 ms at rated coil voltage (without bounce, with diode)
Hock Resistance (Destructive)1,000 m/s2 (half-sine shock pulse: 6 ms)
Vibration Resistance (Functional)10 to 55 Hz (at double amplitude of 1.5 mm, detection time: 10 µs)
Vibration Resistance (Destructive)10 to 55 Hz (at double amplitude of 1.5 mm)
Mechanical LifeMin. 2x106 ope. (switching frequency: at 180 times/min)
ConditionsAmbient temperature: -40 to +60°C
Humidity: 5 to 85% RH (Avoid icing and condensation)
Weight (Typ.)Approx. 23 g
Resistive Load[at 20°C, switching frequency: 20 times/min]
Min. 100x103 ope. 20 A 250 V AC (cosΦ = 1.0)
Min. 10x103 ope. 25 A 250 V AC (cosΦ = 1.0)
Inrush load; Compressor[at 20°C, switching frequency: 20 times/min]
Min. 100x103 ope. Inrush 70 A (cosΦ = 0.7), Steady 20 A (cosΦ = 0.9) 250 V AC
Inrush Load; Inverter [at 20°C, switching frequency: 10 times/min]
Min. 30x103 ope. Inrush 200 A, Steady 20 A 100 V AC
Min. 30x103 ope. Inrush 100 A, Steady 10 A 200 V AC

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