MY
MY
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 AC 50,000,000 operations min.
1-,2-,3-pole: 500,000 operations min.
with operation indicator), With CR
DC: 100,000,000 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
With bifurcated contacts
High-sensitivity
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.
2-pole: 50,000,000 operations min. 2-pole: 200,000 operations min.
4-pole: 20,000,000 operations min. 4-pole: 100,000 operations min.
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
AC motor
Conditions
Operating frequency
Electrical life
100 VAC
50 W, 100 VAC 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 VAC single-phase with
1.6-A inrush current, 1-A carry current
ON for 1 s, OFF for 30 s
300,000 operations
4,000,000 operations
AC solenoid
24 W with 1-A carry current
ON for 1.5 s, OFF for 1.5 s
MY2E
Rated voltage
24 VDC
Load type
Conditions
Operating frequency
Electrical life
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
100 VAC
Load type
Conditions
Operating frequency
Electrical life
AC solenoid
50 VA 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 VA with 1.5-A inrush current,
0.35-A carry current
500,000 operations
5,000,000 operations
6,000,000 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
ON for 0.5 s, OFF for 1.5 s
30 W with L/R = 10 ms with 0.34-A
carry current
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