LY
Ordering Information
Models with Plug-in Terminals
Number of poles
1 pole
2 poles
3 poles
4 poles
Classification
Model Rated voltage (V) Model
Rated voltage (V)
Model
LY3
Rated voltage (V) Model Rated voltage (V)
12, 24, 100/110,
110/120,
12, 24, 100/110,110/
120, 200/220,
or220/240 VAC
12, 24, 100/110, or
200/220 VAC
12, 24, 100/110, or
200/220 VAC
or 200/220 VAC
Standard models
LY1
LY2
LY4
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 100/110,
110/120,
12, 24, 100/110,110/
120, 200/220,
12, 24, 100/110, or
200/220 VAC
12, 24, 100/110, or
200/220 VAC
Models with built-in
operation indicators
or 200/220 VAC
or 220/240 VAC
LY1N
LY2N
LY3N
LY4N
12, 24,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
Modelswith
single
contacts
Models with built-in
diodes
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
LY1-D
LY2-D
LY3-D
LY4-D
Models with built-in
diodes and
operation indicators
LY1N-
D2
12, 24, 48,
or 100/110 VDC
LY3N- 12, 24,
LY4N- 12, 24, 48,
12, 24, or 48 VDC LY2N-D2
D2
or 100/110 VDC
D2
or 100/110 VDC
100/110, 110/120,
Models with built-in
CR circuits
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LY2-CR 200/220, or 220/240
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VAC
Models with built-in
CR circuits and
operation indicators
100/110, 110/120,
LY2N-CR 200/220, or 220/240
VAC
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100/110 or200/220
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VAC
Standard models
LY2Z
12, 24, 48, or 100/
110 VDC
100/110, 110/120,
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200/220,
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Models with built-in
operation indicators
LY2ZN
or 220/240 VAC
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12 or 24 VDC
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Bifurcated
contacts
Models with built-in
diodes
LY2Z-D 12, 24, or 48 VDC
Models with built-in
diodes and
LY2ZN- 12, 24, or 100/110
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D2
VDC
operation indicators
Models with built-in
CR circuits
Models with built-in
CR circuits and
operation indicators
LY2Z-CR 100/110 VAC
LY2ZN- 100, 110, 110/1 20,
CR
or 200/220 VAC
Relays with PCB Terminals
Number of poles
1 pole
2 poles
Rated voltage (V)
12, 24,
100/110, 110/120, 200/
220, or 220/240 VAC
3 poles
Rated voltage (V)
4 poles
Rated voltage (V)
Classification
Model
Rated voltage (V)
Model
LY2-0
Model
Model
LY4-0
24,100/110,
110/120, or 200/220
VAC
24, 100/110,
or 200/220 VAC
24, 100/110, or 200/
220 VAC
Models with single
contacts
LY3-0
LY1-0
12, 24, 48
or 100/110 VDC
12, 24, 48, or
100/110 VDC
12, 24, 48, or
100/110 VDC
12 or 24 VDC
100/110 VAC
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Bifurcated contacts
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LY2Z-0
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24, 48, or
100/110 VDC
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Case-surface Mounting
Number of poles
1 pole
2 poles
3 poles
4 poles
Classification
Model
Rated voltage (V)
24, 100/110,
110/120, 200/220,
or 220/240 VAC
6, 12, 24, or 100/110
VDC
Model
LY2F
Rated voltage (V)
Model
LY3F
Rated voltage (V)
Model
LY4F
Rated voltage (V)
12, 24, 100/110, 110/
120, 200/220,
or 220/240 VAC
12, 24, 48, or 100/110
VDC
1
2, 24, 100/110,
or 200/220 VAC
12, 24, 100/110,
or 200/220 VAC
Models with single
contacts
LY1F
12, 24, or 100/110
VDC
12, 24, or 100/110 VDC
24, 100/110,
or 200/220 VAC
Bifurcated contacts
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LY2ZF
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12 or 24 VDC
Minimum Order
When ordering the following models, please order the minimum amount that is specified in the following table.
Number of poles
2 poles
4 poles
Minimum order
(No. of Relays)
Classification
Model
Rated voltage (V)
Model
Rated voltage (V)
100/110, 200/220 VAC, 12
or 24 VDC
100/110, 200/220 VAC, or
24 VDC
100/110, 200/220 VAC, or
24 VDC
100/110, 200/220 VAC, or
24 VDC
Standard models
LY4
LY4N
LY2
Models with built-in operation
indicators
LY2N
10
Models with built-in diodes
LY2-D
24 VDC
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Models with built-in diodes and
operation indicators
LY4N-D2
LY2N-D2
24 VDC
24 VDC
2