Omron
LY2Z Datasheet
Bi-power Relay
Bi-power Relays
LY
Power-switching Compact
General-purpose Relays
• The standard models include models that are
compliant with the UL, CSA, and SEV safety
standards and with the Electrical Appliances and
Material Safety Act.
• Equipped with an arc barrier for arc interruption.
• Withstand voltages up to 2,000 V.
• New built-in diode and built-in CR circuit models have
joined the series.
• The lineup also includes models that are compliant
with the LR and VDE safety standards.
• Single-pole and double-pole models have AC4 ratings
and DC2 ratings (operating coil ratings: 100/110 VAC,
110/120 VAC, 200/220 VAC, 220/240 VAC, and 100/
110 VDC).
• Three-pole and four-pole models have AC4 ratings
and DC2 ratings (operating coil ratings: 100/110 VAC,
200/220 VAC and 100/110 VDC).
Refer to the Common Relay Precautions.
$4.@-:@%4@E@@
Refer to the standards certifications and compliance section of your
OMRON website for the latest information on certified models.
Model Number Structure
Structure
Relays with Plug-in Terminals
Relays with PCB Terminals Case-surface mounting
Classification
Number
of poles
1
Standard models
Compliance with
Electrical Appliances
2 Bifur-
cated
and Material Safety Act 3
4
Models with diode for
coil surge absorption
(DC coil specification
only)
1
2 Bifur-
cated
3
4
Models with CR circuits 1
for coil surge
absorption
(AC coil specification
only)
2 Bifur-
cated
*LY1
*LY2
**LY2Z
*LY3
*LY4
**LY1-D
**LY2-D
**LY2Z-D
**LY3-D
**LY4-D
---
**LY2-CR
**LY2Z-CR
With operation indicators
**LY1N
**LY2N
**LY2ZN
**LY3N
**LY4N
**LY1N-D2
**LY2N-D2
**LY2ZN-D2
**LY3N-D2
**LY4N-D2
---
**LY2N-CR
**LY2ZN-CR
*LY1-0
*LY2-0
**LY2Z-0
*LY3-0
*LY4-0
---
---
---
---
---
*LY1F
*LY2F
**LY2ZF
*LY3F
*LY4F
---
---
---
---
---
Note: 1. Cells with a diagonal line cannot be manufactured. Ask your OMRON representative for details on manufacturing products for cells
containing “---” in the above table.
2. If #187 tab terminals are required, use the LY1F-T2 or LY2F-T2 (single-pole or double-pole models only).
3. Refer to page 17 for information on plug-in terminal and socket combinations.
4. Items with an asterisk (*) in the table are certified for UL, CSA, and SEV. This is indicated with a certification mark on the products.
5. Items with two asterisks (**) in the table are certified for UL and CSA. This is indicated with a certification mark on the products.
6. All models in the table are certified for IEC (TÜV).
7. The models with plug-in terminals (single-pole, double-pole, and 4-pole) were combined with the PTF-E for the EC Declaration of
Conformity. These products display the CE Marking.
1
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Omron
LY2Z Datasheet
Bi-power Relay
LY
Ordering Information 8IFOZPVSPSEFS
TQFDJGZUIFSBUFEWPMUBHF
Relays
Models with Plug-in Terminals
Classification
Number of poles
Model
Standard models
LY1
Models with
single
contacts
Models with built-in
operation indicators
Models with built-in
diodes
Models with built-in
diodes and
operation indicators
Models with built-in
CR circuits
Models with built-in
CR circuits and
operation indicators
Standard models
LY1N
LY1-D
LY1N-
D2
---
---
---
---
Models with built-in ---
operation indicators
---
Bifurcated
contacts
Models with built-in
diodes
---
Models with built-in
diodes and
---
operation indicators
Models with built-in
CR circuits
---
Models with built-in
CR circuits and
---
operation indicators
1 pole
Rated voltage (V)
12, 24, 100/110,
110/120,
or 200/220 VAC
12, 24, 48,
or 100/110 VDC
12, 24, 100/110,
110/120,
or 200/220 VAC
12, 24,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, or 48 VDC
---
---
---
---
---
---
---
---
---
---
Model
LY2
LY2N
LY2-D
LY2N-D2
LY2-CR
LY2N-CR
LY2Z
LY2ZN
LY2Z-D
LY2ZN-
D2
LY2Z-CR
LY2ZN-
CR
2 poles
Rated voltage (V)
12, 24, 100/110,110/
120, 200/220,
or220/240 VAC
12, 24, 48,
or 100/110 VDC
12, 24, 100/110,110/
120, 200/220,
or 220/240 VAC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
100/110, 110/120,
200/220, or 220/240
VAC
100/110, 110/120,
200/220, or 220/240
VAC
100/110 or200/220
VAC
12, 24, 48, or 100/
110 VDC
100/110, 110/120,
200/220,
or 220/240 VAC
12 or 24 VDC
12, 24, or 48 VDC
12, 24, or 100/110
VDC
100/110 VAC
100, 110, 110/1 20,
or 200/220 VAC
Model
LY3
LY3N
LY3-D
LY3N-
D2
---
---
---
---
---
---
---
---
---
---
3 poles
Rated voltage (V)
12, 24, 100/110, or
200/220 VAC
12, 24, 48,
or 100/110 VDC
12, 24, 100/110, or
200/220 VAC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
12, 24,
or 100/110 VDC
---
---
---
---
---
---
---
---
---
---
4 poles
Model Rated voltage (V)
12, 24, 100/110, or
LY4 200/220 VAC
12, 24, 48,
or 100/110 VDC
LY4N
LY4-D
12, 24, 100/110, or
200/220 VAC
12, 24, 48,
or 100/110 VDC
12, 24, 48,
or 100/110 VDC
LY4N- 12, 24, 48,
D2 or 100/110 VDC
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
Relays with PCB Terminals
Number of poles
Classification
Models with single
contacts
Model
LY1-0
1 pole
Rated voltage (V)
24,100/110,
110/120, or 200/220
VAC
12 or 24 VDC
Bifurcated contacts
---
---
Model
LY2-0
LY2Z-0
2 poles
Rated voltage (V)
12, 24,
100/110, 110/120, 200/
220, or 220/240 VAC
12, 24, 48
or 100/110 VDC
100/110 VAC
24, 48, or
100/110 VDC
Model
LY3-0
---
3 poles
Rated voltage (V)
24, 100/110,
or 200/220 VAC
12, 24, 48, or
100/110 VDC
---
Model
4 poles
Rated voltage (V)
LY4-0
---
24, 100/110, or 200/
220 VAC
12, 24, 48, or
100/110 VDC
---
---
Case-surface Mounting
Number of poles
Classification
Models with single
contacts
Bifurcated contacts
Model
LY1F
---
1 pole
Rated voltage (V)
24, 100/110,
110/120, 200/220,
or 220/240 VAC
6, 12, 24, or 100/110
VDC
---
Model
LY2F
LY2ZF
2 poles
Rated voltage (V)
12, 24, 100/110, 110/
120, 200/220,
or 220/240 VAC
12, 24, 48, or 100/110
VDC
24, 100/110,
or 200/220 VAC
12 or 24 VDC
Model
3 poles
Rated voltage (V)
4 poles
Model Rated voltage (V)
LY3F
12, 24, 100/110,
or 200/220 VAC
12, 24, or 100/110 VDC
LY4F
12, 24, 100/110,
or 200/220 VAC
12, 24, or 100/110
VDC
---
---
---
---
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