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MM4K DC48

Latching Relay

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Standard type/Bistability, Single, Solder terminal, Not equipped, 24 VDC 7 A, 220 VAC 10 A, Output 4PDT (24 VDC 7 A)

Coil ratings (Operate) 48 VDC 52 mA
Coil ratings (Release) 48 VDC 58 mA
Contact form 4PDT
Contact method Single
Contact material Ag
Contact rated load 220 VAC 10 A (Resistive load)
220 VAC 10 A (Inductive load (cosφ = 0.4))
24 VDC 7 A (Resistive load)
24 VDC 7 A (Inductive load (L/R = 7 ms))
Terminal structure Solder terminal

Item list of MMK

  • Ratings / Performance
Ratings
Degree of protectionOpen coils
Terminal structureSolder terminal
CoilCoil ratingsOperate48 VDC 52 mA
Release48 VDC 58 mA
Coil resistanceOperate: 930 Ω
Release: 832 Ω
Operate voltage (Set voltage)80% max.
Release voltage (Reset voltage)80% max.
Maximum voltage110%
Power consumptionOperateApprox. 2.7 W
ReleaseApprox. 2.8 W
ContactContact rated load220 VAC 10 A (Resistive load)
220 VAC 10 A (Inductive load (cosφ = 0.4))
24 VDC 7 A (Resistive load)
24 VDC 7 A (Inductive load (L/R = 7 ms))
Max. contact voltage250 VAC
250 VDC
Max. contact currentAC: 10 A
DC: 10 A
Maximum switching power2200 VA (Resistive load)
2200 VA (Inductive load (cosφ = 0.4))
168 W (Resistive load)
168 W (Inductive load (L/R = 7 ms))
Contact form4PDT
Contact methodSingle
Contact materialAg
Performance
Contact resistance50 mΩ max. (Voltage drop method with 5 VDC 1 A)
Min.set-reset signal width100 ms (With rated operating power applied, not including contact bounce)
Operating time60 ms max. (With rated operating power applied, not including contact bounce)
Reset time30 ms max. (With rated operating power applied, not including contact bounce)
Maximum operating frequencyMechanical: 1800 time/h
Rated load: 1800 time/h
Insulation resistanceBetween coil and contacts: 100 MΩ min. (at 500 VDC)
Between contacts of different polarity: 100 MΩ min. (at 500 VDC)
Between contacts of same polarity: 100 MΩ min. (at 500 VDC)
Between set coil and reset coil: 100 MΩ min. (at 500 VDC)
Dielectric strengthBetween coil and contacts: 2000 VAC 50/60 Hz 1 min
Between contacts of different polarity: 2000 VAC 50/60 Hz 1 min
Between contacts of same polarity: 1500 VAC 50/60 Hz 1 min
Between set coil and reset coil: 2000 VAC 50/60 Hz 1 min
Vibration resistance (destruction)10 to 55 to 10 Hz, 0.375 mm single amplitude (0.75 mm double amplitude)
Vibration resistance (Malfunction)10 to 35 to 10 Hz, 0.5 mm single amplitude (1 mm double amplitude)
Shock resistance (destruction)500 m/s2
Shock resistance (Malfunction)50 m/s2
Endurance (Mechanical)2,500,000 operations min. (switching frequency 1,800 operations/h)
Endurance (Electrical)500,000 operations min. (23 ℃, Rated load, switching frequency 1,800 operations/h)
Failure rate5 VDC 10 mA (failure level: Preference value, Switching frequency: 60 operations per minute)
Ambient temperature (Operating)-10 to 55 ℃ (with no freezing or condensation)
Ambient humidity (Operating)5 to 85% RH
WeightApprox. 420 g
Mounting methodScrew mounting
  • Dimensions

Outline drawing

  • Characteristic chart

Electrical life curve

Series

Latching Relay

MMK