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LY4N DC48

Bi-power Relays

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Bi-power Relays, 4-pole, Single contacts, With operation indicator, Plug-in Terminals, 48 VDC

Coil ratings 48 VDC 30 mA
Operating indicator LED
Contact form 4PDT
Contact method Single
Contact material Ag alloy
Contact rated load 10 A (Resistive load)
110 VAC 7.5 A (Inductive load (cosφ = 0.4))
24 VDC 10 A (Resistive load)
24 VDC 5 A (Inductive load (L/R = 7 ms))
Terminal structure Plug-in terminal

Item list of LY

  • Ratings / Performance
Ratings
Operating indicatorLED
Degree of protectionClosed type (cover)
Terminal structurePlug-in terminal
CoilCoil ratings48 VDC 30 mA
Coil resistance1600 Ω
Operate voltage (Set voltage)80 % max.
Release voltage (Reset voltage)10 % min.
Maximum voltage110 %
Power consumptionApprox. 1.5 W
ContactContact rated load10 A (Resistive load)
110 VAC 7.5 A (Inductive load (cosφ = 0.4))
24 VDC 10 A (Resistive load)
24 VDC 5 A (Inductive load (L/R = 7 ms))
Max. contact voltage250 VAC
125 VDC
Max. contact currentAC: 10 A
DC: 10 A
Contact form4PDT
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)
Between contacts of different 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
Between contacts of different polarity: 2000 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)100 million operations min. (switching frequency 18,000 operations/h)
Failure rate100 mA at 5 VDC (failure level: Preference value, Switching frequency: 120 operations per minute)
Ambient temperature (Operating)-25 to 40 ℃ (with no freezing or condensation)
Ambient humidity (Operating)5 to 85 %
WeightApprox. 70 g
Mounting methodSocket
Applicable socketPTF-14-PU-L/ PTF14A/ PTFZ-14-E/ PT14/ PT14QN/ PT14-0
  • Characteristic chart

Switching capacities

Series

Bi-power Relays

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