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MY4Z AC48/50 (S)

Miniature Power Relays

Basic Model , 4PDT (Bifurcated) , Socket Mounting , Without Indicator

about this Product Family

Ratings
Product classification Monostable relays
Bifurcated contact type
Coil ratings 48 VAC 24.7 mA (50 Hz), 48 VAC 21.1 mA (60 Hz), 50 VAC 25.7 mA (50 Hz), 50 VAC 22 mA (60 Hz)
Coil resistance 788 Ω
Operate voltage (Set voltage) 80 % Max.
Release voltage (Reset voltage) 30 % Max.
Max. voltage 110% (of rated voltage)
Power consumption (Single stable) 1.0 to 1.2 VA (60 Hz)
Operating indicator Not equipped
Coil surge killer Not equipped
Contact Type 4PDT
Contact method Bifurcated
Contact material Contact body: Ag alloy
Contact finish: AgAu-clad
Contact rated load 250 VAC 3 A (Resistive load (cos phi = 1))
250 VAC 0.8 A (Inductive load (cos phi = 0.4))
30 VDC 3 A (Resistive load)
30 VDC 1.5 A (Inductive load (L/R = 7 ms))
Maximum switching voltage 250 VAC
125 VDC
Maximum switching current AC: 5 A
DC: 5 A
Maximum switching power AC: 660 VA (Resistive load (cos phi = 1))
AC: 176 VA (Inductive load (cos phi = 0.4))
DC: 72 VA (Resistive load)
DC: 36 VA (Inductive load (L/R = 7 ms))
Failure rate 100 uA at 1 VDC (failure level: P Reference value)
Ambient temperature (Operating) -55 to 60 ℃ (withnoicingorcondensation)
Ambient humidity (Operating) 5 to 85 %RH (withnoicingorcondensation)
Characteristics
Contact resistance Max. 100 mOhm, Measuring the voltage drop across the contacts by applying test voltage/current as 5 VDC 1 A
Operating time (set time) 20ms
Release time (Reset time) 20 ms
Max.operating frequency (Mechanical) 18000 opn./h
Max.operating frequency (Erectrical) 1800 opn./h
Insulation resistance Between coil and contacts: 1000 (at 500 VDC)
Between contacts of different polarity: 1000 (at 500 VDC)
Between contacts of same polarity: 1000 (at 500 VDC)
Dielectric strength Between coil and contacts: 2000 (Leakage current 3 mA 50/60 Hz 1 min)
Between contacts of different polarity: 2000 (Leakage current 3 mA 50/60 Hz 1 min)
Between contacts of same polarity: 1000 (Leakage current 3 mA 50/60 Hz 1 min)
Vibration resistance (Destruction) 10 to 55 to 10 Hz, 0.5-mm single amplitude 2 hours each in X, Y, and Z directions
Vibration resistance (Malfunction) 10 to 55 to 10 Hz, 0.5-mm single amplitude in each direction
Shock resistance (Destruction) 1000 m/s**2, 3 times each in directions
Shock resistance (Malfunction) 200 m/s**2
Endurance (Mechanical) 20000000 operations Min.
Endurance (Electrical) 100000 operations Min.
Protective structure Closed type (cover)
Applicable standard (UL) UL508
Applicable standard (CSA) C22.2 No.0, No.14
Applicable standard (VDE) 112467UG
Terminal structure Plug-in
Weight (Main) Approx. 35 g