Omron CPM2C Operation Manual page 66

Specifications
Note The service life of relay output contacts shown in the table assumes the worst
conditions. The following graph shows the results of OMRON's service life
tests at a switching rate of 1,800 times/hour.
4
Life (x 10 )
120 VAC, resistive load
24 VDC, τ = 7 ms
120 VAC, cosφ = 0.4
240 VAC, cosφ = 0.4
24 VDC/240 VAC, resistive load
Switching rate: 1,800 times/hour
Contact current (A)
Section 2-1
43