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General-purpose Relay
LY
A-37
Elec
trome
c
ha
ni
c
a
l
Re
la
ys
Engineering Data
LY1
LY2
LY3 and LY4
15
10
5
1
0.5
0.1
10
100
500
1,000
10,000
5,000
1,000
100
0
2
4
6
8
10 12
14 16 18 20
500
Maximum Switching Power
Switching voltage (V)
Switching current (A)
Endurance
Switching current (A)
AC resistive load
DC resistive load
110 VAC resistive load
24 VDC resistive load
110 VAC (cos
φ
= 0.4)
Endur
ance (x10
3
oper
ations)
24 VDC
(L/R = 7ms)
Life: 200,000
operations
AC
(cos
φ
=
0.4)
DC L/R =
7 ms
10
5
1
0.5
0.1
10
100
500
1,000
0
2
4
6
8
10 12
14 16 18 20
1,0000
1,000
100
500
5,000
Maximum Switching Power
Switching voltage (V)
Endurance
Switching current (A)
AC resistive load
DC resistive load
24 VDC resistive load
110 VAC resistive load
110 VAC (cos
φ
= 0.4)
24 VDC (L/R = 7ms)
Endur
ance (x10
3
oper
ations)
Switching current (A)
Life: 500,000
operations
AC
(cos
φ
=
0.4)
DC L/R =
7 ms
10
5
1
0.5
0.1
10
100
0
2
4
6
8
10 12
14 16 18 20
500
1,000
1,0000
1,000
100
500
5,000
Maximum Switching Power
Switching voltage (V)
Endurance
Switching current (A)
AC resistive load
DC resistive load
24 VDC resistive load
110 VAC resistive load
110 VAC (cos
φ
= 0.4)
24 VDC (L/R = 7ms)
Endur
ance (x10
3
oper
ations)
Switching current (A)
DC L/R =
7 ms
AC
(cos
φ
=
0.4)
Life: 200,000
operations