Specification

Specifications table for model NC4EBD-DC48V
ItemPerformance characteristics
Protective ConstructionSealed
Terminal TypePlug-in terminal
Relay Shape Slim type
Rated Coil Voltage48 V DC
Rated Operating Power 720 mW
Contact Arrangement4 Form C
Operating Function Single side stable
AccessoriesSockets are available.
Packing Quantity; Inner Carton (Pcs.) 20
Packing Quantity; Outer Carton (Pcs.)200
Operate Voltage (@20oC)Max. 80% 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)15 mA
Resistance [±10%] (at 20°C) 3,200 Ω
Max. Allowable Voltage 110% V of rated coil voltage (at 50°C)
Contact ShapeTwin
Contact Resistance (Initial)Max. 50 mΩ (by voltage drop 6 V DC 1 A)
Contact MaterialAu-clad AgNi type
Contact Rating (Resistive Load)2 A 250 V AC, 5 A 30 V DC
Max. Switching Power (Resistive Load) 500 VA, 150 W
Max. Switching Voltage250 V AC, 220 V DC
Max. Switching Current2 A (AC), 5 A (DC)
Min. Switching Load (Reference Value) 100 µA 1 V DC
Insulation Resistance (Initial)Min. 100 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 Sets1,000 Vrms for 1 min (detection current: 10 mA)
Dielectric Strength (Initial): Between Contact and Coil2,000 Vrms for 1 min (detection current: 10 mA)
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)98 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 1 mm, detection time: 10 µs)
Vibration Resistance (Destructive)10 to 55 Hz (at double amplitude of 2 mm)
Mechanical LifeMin. 50x106 ope. (switching frequency: at 180 times/min)
ConditionsAmbient temperature: -40 to +55°C
Humidity: 5 to 85% RH (Avoid icing and condensation)
Weight (Typ.)Approx. 19 g
Resistive Load[switching frequency: 20 times/min]
Min. 500x103 ope. 5 A 30 V DC
Min. 100x103 ope. 2 A 250 V AC

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