Page top

MM4B AC6

Power Relay

Image

Power relay, 4 poles, Screw terminal, 6 VAC

Coil ratings 6 VAC 50 Hz 1120 mA
6 VAC 60 Hz 950 mA
Contact form 4PDT
Contact method Single
Contact material Ag
Contact rated load 220 VAC 15 A (Resistive load (cosφ = 1))
220 VAC 15 A (Inductive load (cosφ = 0.4))
24 VDC 10 A (Resistive load)
24 VDC 10 A (Inductive load (L/R = 7 ms))
Terminal structure Screw terminal

Item list of MM

  • Ratings / Performance
Ratings
Degree of protectionOpen coils
Terminal structureScrew terminal
CoilCoil ratings6 VAC 50 Hz 1120 mA
6 VAC 60 Hz 950 mA
Coil resistance0.5 Ω
Operate voltage (Set voltage)80 % max.
Release voltage (Reset voltage)25 % min. (50 Hz)
30 % min. (60 Hz)
Maximum voltage110 %
Power consumptionApprox. 6.3 VA Initial/Approx. 5.1 VA Rating
ContactContact rated load220 VAC 15 A (Resistive load (cosφ = 1))
220 VAC 15 A (Inductive load (cosφ = 0.4))
24 VDC 10 A (Resistive load)
24 VDC 10 A (Inductive load (L/R = 7 ms))
Max. contact voltage250 VAC
250 VDC
Max. contact currentAC: 15 A
DC: 15 A
Maximum switching power3300 VA (Resistive load (cosφ = 1))
3300 VA (Inductive load (cosφ = 0.4))
240 W (Resistive load)
240 W (Inductive load (L/R = 7 ms))
Contact form4PDT
Contact methodSingle
Contact materialAg
Performance
Contact resistance25 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 time30 ms max. (With rated operating power applied, 23 ℃, not including contact bounce)
Maximum operating frequencyMechanical: 7200 time/hour
Rated load: 1800 time/hour
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)
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
Vibration resistance (destruction)10 to 55 to 10 Hz, 0.75 mm single amplitude (1.5 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)100 m/s2
Endurance (Mechanical)5,000,000 operations min. (switching frequency 7,200 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 %
Mounting methodScrew mounting
  • Dimensions

Outline drawing

  • Characteristic chart

Electrical life curve

Series

Power Relay

MM