MY MY
5
Life Expectancy Characteristics
Relays Mechanical
life
(at 18,000 operations/hr)
Electrical life
(at 1,800 operations/hr under rated load)
Normal, High-humidity
, 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.
High-capacity AC
50,000,000 operations min.
DC:
100,000,000 operations min. 500,000 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:
20,000,000 operations min.
2-pole:
200,000 operations min.
4-pole:
100,000 operations min.
High-sensitivity
100,000,000 operations min. 200,000 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
MY2E
Rated voltage
Load type
Conditions
Operating frequency
Electrical life
24 VDC
AC lamp
300 W with 50-A inrush current, 3-A
carry current ON for 5 s, OFF for 55 s
55,000 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