Datasheet
General Purpose Relay SZR-MY series
3 Sensing and Co ntrol
(DPDT/4PDT)
Rated current (㎃)
Coil inductance (H)
Item
Rated voltage (V)
50 Hz 60 Hz
Coil
resistance
(Ω )
Armature
OFF
Armature
ON
Pick-up
voltage (V)
Dropout
voltage (V)
Maximun
voltage (V)
Power
cons umptio n
(W)
6 214.1 183 12.2 0.04 0.08
12 106.5 91 46 0.17 0.33
24 53.8 46 180 0.69 1.3
50 25.7 22 788 3.22 5.66
Approx.
1.0 to 1.2
(60Hz)
100/110 11.7/12.9 10/11 3,750 14.54 24.6
110/120 9.9/10.8 8.4/9.2 4,430 19.2 32.1
200/220 6.2/6.8 5.3/5.8 12,950 54.75 94.07
AC
220/240 4.8/5.3 4.2/4.6 18,790 83.5 136.4
Max. 75% Min. 30% 110%
Approx.
0.9 to 1.1
(60Hz)
6 150 40 0.17 0.33
12 75 160 0.73 1.37
24 36.9 650 3.2 5.72
48 18.5 2,600 10.6 21.0
DC
100/110 9.1/10 11,000 45.6 86.2
Max. 75% Min. 10% 110% Approx. 0.9
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23℃ with tolerances of +15%,-20% for AC
rated current and ± 15% for DC coil resistance.
2. The rated current of N1 and X1 type is 4mA higher than the value in the table above.
Contact material Ag
Contact resistance
Max. 50 mΩ
Opera te time Max. 20 ms
Release time Max. 20 ms
Mechanical 18,000 operations/hour
Operating frequency
Electrical 1,800 operations/hour
Insulation resistance
Min. 100 Mω at DC 500V
Dielectric withstand voltage
AC 1,800V 50/60 Hz for 1 minute between non-continuous current carrying terminals
and between coil terminals and contact terminals
AC 1,000V 50/60 Hz for 1 minute between contacts of same polarity
Mechanical durability 10~55Hz at double amplitude of 1.0mm
Vibration resistance
Malfunction durability 10~55Hz at double amplitude of 1.0mm
Mechanical durability 1,000
m/s
2
(Approx. 100G)
Shock resistance
Malfunction durability 200
m/s
2
(Approx. 20G)
Service life Mechanical
AC : Min. 50million operations (at operating frequency of 18,000 operations/hour)
DC : Min. 100million operations (at operating frequency of 18,000 operations/hour)
Electrical
DPDT : Min. 500,000 operations (at operating frequency of 1,800 operations/hour)
4PDT : Min. 200,000 operations (at operating frequency of 1,800 operations/hour)
Weight Approx. 35g
Note : The data shown above are of initial value
■ S
p
ecifications
■ Coil Ratings