2
Hermetically Sealed Relay
MY4H
Specifications
■
Ratings
Coil
Contact Ratings
■
Characteristics
Rated voltage (V)
Rated current (mA)
Coil resistance
(
Ω
)
Must operate
voltage
Must release
voltage
Max. voltage
Power
consumption
50 Hz
60 Hz
DC
12
75
160
80% max.
10% min.
110%
900 mW
24
36.9
650
AC
110/120
9.9/10.8
8.4/9.2
4,430
30% min.
0.9-1.1 VA
(60 Hz)
24
53.8
46
180
Contact material
Ag alloy
Rated load
Resistive
p.f.=1
110 VAC, 3 A
24 VDC, 3 A
Inductive
p.f.=0.4
L/R–7 ms
110 VAC, 8 A
24 VDC, 1.5 A
Rated carry current
3 A
Max. switching voltage
125 VAC, 125 VDC
Max. switching current
3 A
Max. switching power
330 VA
72 W
Contact resistance
50 m
Ω
max.
Operate time
20 ms max.
Release time
20 ms max.
Max. operating
frequency
Mechanical:
18,000 operations/hr
Electrical:
1,800 operations/hr (under rated load)
Insulation resistance
100 M
Ω
min. (at 500 VDC)
Dielectric strength
1,000 VAC, 1 min between coil and contacts
1,000 VAC, 1 min between contacts of different polarity
700 VAC, 1 min between contacts of same polarity
Vibration resistance
Destruction:
10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude)
Malfunction:
10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude)
Shock resistance
Destruction:
1,000 m/s
2
Malfunction:
When energized:
200 m/s
2
When not energized:
200 m/s
2
Endurance
Mechanical:
Single contact: 50,000,000 operations
Bifurcated contact: 5,000,000 operations
Electrical:
100,000 operations. (Single contact)
50,000 operations. (Bifurcated contact)
Ambient temperature
Operating:
–25 to 60
°
C
Ambient humidity
Operating:
5% to 85%
Weight
Approx. 50 g
