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LY1F AC24

Bi-power Relays

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Bi-power Relays, 1-pole, Single contacts, Case-surface mounting, 24 VAC

Coil ratings 24 VAC 50 Hz 53.8 mA
24 VAC 60 Hz 46 mA
Contact form SPDT
Contact method Single
Contact material Ag alloy
Contact rated load 15 A (Resistive load)
110 VAC 10 A (Inductive load (cosφ = 0.4))
24 VDC 15 A (Resistive load)
24 VDC 7 A (Inductive load (L/R = 7 ms))

Item list of LY

  • Ratings / Performance
Ratings
Degree of protectionClosed type (cover)
CoilCoil ratings24 VAC 50 Hz 53.8 mA
24 VAC 60 Hz 46 mA
Coil resistance180 Ω
Operate voltage (Set voltage)80 % max.
Release voltage (Reset voltage)30 % min.
Maximum voltage110 %
Power consumptionApprox. 1.0 to 1.2 VA 60 Hz
ContactContact rated load15 A (Resistive load)
110 VAC 10 A (Inductive load (cosφ = 0.4))
24 VDC 15 A (Resistive load)
24 VDC 7 A (Inductive load (L/R = 7 ms))
Max. contact voltage250 VAC
125 VDC
Max. contact currentAC: 15 A
DC: 15 A
Contact formSPDT
Contact methodSingle
Contact materialAg alloy
Performance
Contact resistance50 mΩ max. (Voltage drop method with 5 VDC 1 A)
Operating time25 ms max. (With rated operating power applied, 23 ℃, not including contact bounce)
Reset time25 ms max. (With rated operating power applied, 23 ℃, not including contact bounce)
Maximum operating frequencyMechanical: 18000 time/hour
Rated load: 1800 time/hour
Insulation resistanceBetween coil and contacts: 100 MΩ min. (at 500 VDC)
Between contacts of same polarity: 100 MΩ min. (at 500 VDC)
Dielectric strengthBetween coil and contacts: 2000 VAC 50/60 Hz 1 min
Between contacts of same polarity: 1000 VAC 50/60 Hz 1 min
Vibration resistance (destruction)10 to 55 to 10 Hz, 0.5-mm single amplitude (1-mm double amplitude)
Vibration resistance (Malfunction)10 to 55 to 10 Hz, 0.5-mm single amplitude (1-mm double amplitude)
Shock resistance (destruction)1000 m/s2
Shock resistance (Malfunction)200 m/s2
Endurance (Mechanical)50 million operations min. (switching frequency 18,000 operations/h)
Endurance (Electrical)200,000 operations min. (23 ℃, switching frequency 1,800 operations/h)
Failure rate100 mA at 5 VDC (failure level: Preference value, Switching frequency: 120 operations per minute)
Ambient temperature (Operating)-25 to 55 ℃ (with no freezing or condensation)
Ambient humidity (Operating)5 to 85 %
Mounting methodCase-surface mounting
  • Characteristic chart

Switching capacities

Series

Bi-power Relays

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