Specification

Specifications table for model ALFG1PF181
ItemPerformance characteristics
Contact TypeStandard type
Contact Gap1.8 mm
Rated Coil Voltage18 V DC
Contact Arrangement1 Form A
Protective ConstructionFlux-resistant
Operating Function Single side stable
Terminal TypePC board terminal
Coil Insulation ClassClass F insulation
Insulation Distance[Between contact and coil]
Clearance: Min. 6.5 mm, Creepage: Min. 9.5 mm
Packing Quantity; Inner Carton (Pcs.) 50
Packing Quantity; Outer Carton (Pcs.)200
Operate Voltage (@20oC)Max. 70% V of rated coil voltage (Initial)
Release Voltage (at20°C) Min. 10% V of rated coil voltage (Initial)
Rated Operating Current [±10%] (at 20°C)78 mA
Resistance [±10%] (at 20°C) 230 Ω
Rated Operating Power 1,400 mW
Max. Allowable Voltage (at 20°C 68°F)120% V of rated coil voltage
Contact ShapeSingle
Contact MaterialAgSnO2 type
Contact Rating (Resistive Load)22 A 250 V AC
Max. Switching Power (Resistive Load) 5,500 VA
Max. Switching Voltage250 V AC
Max. Switching Current22 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 Contacts2,500 Vrms for 1 min (detection current: 10 mA)
Dielectric Strength (Initial): Between Contact and Coil4,000 Vrms for 1 min (detection current: 10 mA)
Surge Withstand Voltage (Initial): Between Contact and Coil6,000 V
Coil Holding Voltage35 to 120% V (contact carrying current: 22 A, at 20°C)
40 to 80% V (contact carrying current: 22 A, at 85°C)
Operate Time (Initial) (At 20oC)Max. 20 ms at rated coil voltage (without bounce)
Release Time (Initial) (at 20°C) Max. 10 ms at rated coil voltage (without bounce, without diode)
Hock Resistance (Functional)100 m/s2 (half-sine shock pulse: 11 ms, detection time: 10 µs)
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. 500x103 ope. (switching frequency: at 180 times/min)
ConditionsAmbient temperature: -40 to +60°C (When rated coil voltage applied)
Ambient temperature: -40 to +85°C
(When coil holding voltage is 45 to 80% V of rated coil voltage)
Humidity: 5 to 85% RH (Avoid icing and condensation)
Weight (Typ.)Approx. 23 g
Resistive Load[switching frequency: 20 times/min]
Min. 30x103 ope. 22 A 250 V AC
Destructive[switching frequency ON : OFF = 0.1 s : 10 s]
Min. 30x103 ope. 22 A 250 V AC (cosΦ = 0.8)
Over Load [switching frequency ON : OFF = 0.1 s : 10 s]
Min. 50 ope. 35 A 250 V AC (cosΦ = 0.8)
Contact Resistance (Initial)Max. 100 mΩ (by voltage drop 6 V DC 1 A)

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