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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 Ohm
Operate voltage (Set voltage) 80% Max.
Release voltage (Reset voltage) 30% Max. (50 Hz), 30% Max. (60 Hz)
Max. voltage 110% (of rated voltage)
Power consumption (Single stable) Approx. 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 material: Ag alloy
Contact finish: AgAu-clad
Contact rated load 220 VAC 3 A (Resistive load (cos phi = 1))
220 VAC 0.8 A (Inductive load (cos phi = 0.4))
24 VDC 3 A (Resistive load)
24 VDC 1.5 A (Inductive load (L/R = 7 ms))
Maximum switching voltage 250 VAC (Resistive load (cos phi = 1))
250 VAC (Inductive load (cos phi = 0.4))
125 VDC (Resistive load)
125 VDC (Inductive load (L/R = 7 ms))
Maximum switching current AC: 3 A (Resistive load (cos phi = 1))
AC: 3 A (Inductive load (cos phi = 0.4))
DC: 3 A (Resistive load)
DC: 3 A (Inductive load (L/R = 7 ms))
Maximum switching power AC: 660 VA (Resistive load (cos phi = 1))
AC: 176 VA (Inductive load (cos phi = 0.4))
DC: 72 W (Resistive load)
DC: 36 W (Inductive load (L/R = 7 ms))
Failure rate 100 uA at 1 VDC (failure level: P Reference value)
Ambient temperature Operating: -55 to 70 CEL
(with no icing or condensation)
Ambient humidity Operating: 5 to 85% RH
(with no icing or condensation)
Characteristics
Contact resistance Max. 50 mOhm, Measuring the voltage drop across the contacts by applying test voltage/current as 5 VDC 1 A
Operating time (set time) 20 ms Max.
Release time (Reset time) 20 ms Max.
Max.operating frequency (Mechanical) 18000 opn./h
Max.operating frequency (Erectrical) 1800 opn./h
Insulation resistance Between coil and contacts: 100 MOhm Min. (at 500 VDC)
Between contacts of different polarity: 100 MOhm Min. (at 500 VDC)
Between contacts of same polarity: 100 MOhm Min. (at 500 VDC)
Dielectric strength Between coil and contacts: 2000 VAC 50/60 Hz for 1 min (Leakage current 3 mA 50/60 Hz 1 min)
Between contacts of different polarity: 2000 VAC 50/60 Hz for 1 min (Leakage current 3 mA 50/60 Hz 1 min)
Between contacts of same polarity: 1000 VAC 50/60 Hz for 1 min (Leakage current 3 mA 50/60 Hz 1 min)
Vibration resistance (Destruction) 10 to 55 to 10 Hz 0.5-mm single amplitude (1.0-mm double amplitude) for 2 hours each in X, Y, and Z directions (No defect in appearance and construction after applying variable vibration in each directions for 2 hours.)
Vibration resistance (Malfunction) 10 to 55 to 10 Hz 0.5-mm single amplitude (1.0-mm double amplitude) in each direction
Shock resistance (Destruction) 1000 m/s**2 each direction 3 times (No defect in appearance and construction after applying shock in each directions 3 times.)
Shock resistance (Malfunction) 200 m/s**2 (Contacts must not open for 1 ms or longer after the relay is subjected to a shock in each direction 3 times.)
Endurance (Mechanical) 20000000 operations Min.
Endurance (Electrical) 100000 operations Min.
Protective structure Closed type (cover)
Applicable standard (UL) Standard No.: UL508
File No.: E41515
Applicable standard (CSA) Standard No.: C22.2 No.0, No.14
File No.: LR31928
Applicable standard (VDE) 112467UG
Applicable standard (LR) 98/10014
Applicable standard (IMQ) EC689, EC690, EN013-016
Applicable standard(Other) Conformed standard 2: Electrical Appliance and Material Safety Law
Terminal structure Plug-in
Weight Approx. 35 g