MY
MY
4
Characteristics
Item All
relays
Contact resistance
50 m
:
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
1,000 M
:
min. (at 500 VDC)
Dielectric strength
2,000 V
AC, 50/60 Hz for 1 min (1,000 V
AC
between contacts of same polarity)
V
ibration resistance
Destruction:
10 to 55 Hz, 1.0-mm double amplitude
Malfunction:
10 to 55 Hz, 1.0-mm double amplitude
Shock resistance
Destruction:
1,000 m/s
2
(approx. 100G)
Malfunction:
200 m/s
2
(approx. 20G)
Life expectancy
See following table.
Ambient operating temperature*
Single- and double-pole standard, bifurcated-contact, test-button, relays:
–55q
C to 70
q
C (with no icing)
All other relays: –55
q
C to 60
q
C (with no icing)
Ambient operating humidity
35% to 85%
Weight
Approx. 85 g
Note:
The values given above are initial values.
Life Expectancy Characteristics
Relays Mechanical
life
(at 18,000 operations/hr)
Electrical life
(at 1,800 operations/hr under rated load)
Normal,
With test button (except relays
with operation
indicator), With CR
AC
50,000,000 operations min.
DC:
100,000,000 operations min.
1-,2-,3-pole:
500,000 operations min.
4-pole:
200,000 operations min.
With operation indicator or built-in diode
AC
50,000,000 operations min.
DC:
100,000,000 operations min.
1-,2-,3-pole:
500,000 operations min.
4-pole:
200,000 operations min.
With bifurcated contacts
2-pole:
50,000,000 operations min.
4-pole:
2-pole:
200,000 operations min.
4-pole:
100,000 operations min.
Note:
See following tables for real load life expectancies.
Life Expectancies Under Real Loads
MY2
Rated
voltage
Load type
Conditions
Operating frequency
Electrical life
100 V
AC
AC motor
50 W
, 100 V
AC single-phase with
2.8-A inrush current, 0.4-A carry
current
ON for 2 s, OFF for 30 s
100,000 operations
50 W
, 100 V
AC single-phase with
1.6-A inrush current, 1-A carry current
ON for 1 s, OFF for 30 s
300,000 operations
AC solenoid
24 W with 1-A carry current ON for 1.5 s, OFF for 1.5 s
4,000,000 operations
MY4
Rated voltage
Load type
Conditions
Operating frequency
Electrical life
100 V
AC
AC solenoid
50 V
A with 2-A inrush current, 0.7A
carry current
ON for 1 s, OFF for 3 s
25,000 operations
DC magnetic
switch
25 W with L/R = 40 ms , 0.2-A carry
current
AC magnetic
switch
35 V
A with 1.5-A inrush current,
0.35-A carry current
500,000 operations
24 VDC
DC solenoid 40 W with L/R = 10 ms, 1.6-A carry
current
ON for 0.5 s, OFF for 1.5 s
5,000,000 operations
30 W with L/R = 10 ms with 0.34-A
carry current
ON for 0.5 s, OFF for 1.5 s
6,000,000 operations
