General Purpose Relay – LY
A Miniature Power Relay
■
Equipped with arc barrier.
■
Dielectric strength: 2,000 V.
■
Built-in diode models added to the LY Series.
■
Single-pole and double-pole models are
applicable to operating coils with ratings of
100/110 VAC, 110/120 VAC, 200/220 VAC,
220/240 VAC, or 100/110 VDC).
■
Three-pole and four-pole models are
applicable to operating coils with ratings of
100/110 VAC, 200/220 VAC, or 100/110 VDC).
R
C+
VDE
LR
Ordering Information
■
Open Relays
Type
Contact form
Plug-in/solder
terminals
Plug-in/solder
terminals with
LED indicator
PCB terminals
Upper-mounting
plug-in/solder
terminals
Standard
SPDT
DPDT
DPDT (bifurcated)
3PDT
4PDT
LY1
LY2
LY2Z
LY3
LY4
LY1-D
LY2-D
LY2Z-D
LY3-D
LY4-D
–
LY2-CR
LY2Z-CR
LY1N
LY2N
LY2ZN
LY3N
LY4N
LY1N-D2
LY2N-D2
LY2ZN-D2
–
LY4N-D2
–
LY2N-CR
LY2ZN-CR
LY1-0
LY2-0
LY2Z-0
LY3-0
LY4-0
–
–
–
–
–
–
–
–
LY1F
LY2F
LY2ZF
LY3F
LY4F
–
–
–
–
–
–
–
–
With built-in diode
(DC only)
SPDT
DPDT
DPDT (bifurcated)
3PDT
4PDT
With built-in CR
(AC only)
SPDT
DPDT
DPDT (bifurcated)
Note:
1. When ordering, add the rated coil voltage to the model number. Rated coil voltages are given in the coil ratings table.
Example: LY2, 6 VAC
Rated coil voltage
2. Relays with #187 quick connect terminals are also available with SPDT and DPDT contact. Ask your OMRON
representative for details.
3. SEV models are standard Relays excluding DPDT (bifurcated) models.
4. VDE- or LR- qualifying Relays must be specified when ordering.
442
General Purpose Relay – LY
Accessories (Order Separately)
Sockets
■
Poles
Front-connecting Socket
DIN track/screw terminals
1 or 2
3
4
PTF08A-E, PTF08A
PTF11A
PTF14A-E, PTF14A
Plug-in/solder terminals
PT08
PT11
PT14
Back-connecting Socket
Wrapping terminals
PT08QN
PT11QN
PT14QN
PCB terminals
PT08-0
PT11-0
PT14-0
Note: 1.
For PTF08-E and PTF14A-E, see “Track Mounted Socket.”
2.
PTF■A (-E) Sockets have met UL and CSA standards: UL 508/CSA C22.2.
Mounting Plates for Sockets
Socket model
PT08
PT08QN
PT11
PT11QN
PT14
PT14QN
For 1 Socket
PYP-1
PTP-1-3
PTP-1
–
–
PTP-10
For 10 Sockets
–
PTP-12
–
For 12 Sockets
For 18 Sockets
PYP-18
–
–
Socket-Hold-down Clip Pairings
Relay type
Poles
Front-connecting Sockets
Socket model
Standard, bifurcated
contacts operation
indicator, built-in diode
CR Circuit
1, 2
3
4
2
PTF08A-E, PTF08A
PTF11A
PTF14A-E, PTF14A
PTF08A-E, PTF08A
Y92H-3
Clip model
PYC-A1
Back-connecting Sockets
Socket model
PT08(QN), PT08-0
PT11(QN), PT11-0
PT14(QN), PT14-0
PT08(QN), PT08-0
PYC-1
Clip model
PYC-P
Specifications
Coil Rating
Single- and Double-pole Relays
■
Rated voltage
Rated current
Coil
Resistance
Coil Induction
(reference value)
Arm. OFF
12.2
Ω
46
Ω
180Ω
788ΩW
3,750
Ω
0.04 H
0.17 H
0.69 H
3.22 H
14.54 H
19.20 H
54.75 H
83.50 H
0.16 H
0.73 H
3.20 H
10.6 H
45.6 H
Arm. ON
0.08 H
0.33 H
1.30 H
5.66 H
24.6 H
32.1 H
94.07 H
136.40 H
0.33 H
1.37 H
5.72 H
21.0 H
86.2 H
10% min.
0.9 W
0.9 to 1 VA
(60 Hz)
Must
operate
voltage
80% max.
Must
release
voltage
30% min.
Max.
voltage
Power
consumption
(approx.)
1.0 to
1.2 VA
(60 Hz)
50 Hz
AC
6V
12 V
24 V
50 V
100/110 V
110/120 V
200/220 V
220/240 V
DC
6V
12 V
24 V
48 V
100/110 V
214.1 mA
106.5 mA
53.8 mA
25.7 mA
60 Hz
183 mA
91 mA
46 mA
22 mA
% of rated voltage
110%
11.7/12.9 mA 10/11 mA
9.9/10.8 mA 8.4/9.2 mA 4,430
Ω
6.2/6.8 mA 5.3/5.8 mA 12,950
Ω
4.8/5.3 mA 4.2/4.6 mA 18,790
Ω
150 mA
75 mA
36.9 mA
18.5 mA
9.1/10 mA
40
Ω
160
Ω
650
Ω
2,600
Ω
11,000
Ω
Note:
See notes on the bottom of next page.
443
General Purpose Relays
General Purpose Relay – LY
Three-pole Relays
Rated voltage
Rated current
Coil
Resistance
Coil Induction
(reference value)
Arm. OFF
6.7
Ω
24
Ω
100
Ω
410
Ω
8,650
Ω
25.7
Ω
107
Ω
410
Ω
1,700
Ω
8,500
Ω
0.03 H
0.12 H
0.44 H
2.24 H
10.5 H
34.8 H
0.11 H
0.45 H
1.89 H
8.53 H
29.6 H
Arm. ON
0.05 H
0.21 H
0.79 H
3.87 H
18.5 H
59.5 H
0.21 H
0.98 H
3.87 H
13.9 H
54.3 H
10% min.
1.4 W
Must
operate
voltage
80% max.
Must
release
voltage
30% min.
Max.
voltage
Power
consumption
(approx.)
1.6 to
2.0 VA
(60 Hz)
50 Hz
AC
6V
12 V
24 V
50 V
310 mA
159 mA
80 mA
38 mA
60 Hz
270 mA
134 mA
67 mA
33 mA
% of rated voltage
110%
100/110 V 14.1/16 mA 12.4/13.7 mA 2,300
Ω
200/220 V 9.0/10.0 mA 7.7/8.5 mA
DC
6V
12 V
24 V
48 V
234 mA
112 mA
58.6 mA
28.2 mA
100/110 V 12.7/13 mA
Note:
See notes under next table.
Four-pole Relays
Rated voltage
Rated current
Coil
Resistance
Coil Induction
(reference value)
Arm. OFF
5
Ω
20
Ω
78
Ω
350
Ω
0.02 H
0.10 H
0.38 H
1.74 H
10.5 H
33.1 H
0.09 H
0.39 H
1.41 H
6.39 H
32 H
Arm. ON
0.04 H
0.17 H
0.67 H
2.88 H
17.3 H
57.9 H
0.21 H
0.84 H
2.91 H
13.6 H
63.7 H
10% min.
1.5 W
Must
operate
voltage
80% max.
Must
release
voltage
30% min.
Max.
voltage
Power
consumption
(approx.)
1.95 to
2.5 VA
(60 Hz)
50 Hz
AC
6V
12 V
24 V
50 V
100/110 V
200/220 V
DC
6V
12 V
24 V
48 V
100/110 V
386 mA
199 mA
93.6 mA
46.8 mA
60 Hz
330 mA
170 mA
80 mA
40 mA
% of rated voltage
110%
22.5/25.5 mA 19/21.8 mA 1,600
Ω
11.5/13.1 mA 9.8/11.2 mA 6,700
Ω
240 mA
120 mA
69 mA
30 mA
15/15.9 mA
25
Ω
100
Ω
350
Ω
1,600
Ω
6,900
Ω
Note: 1.
The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of +15%/–20% for rated
currents and ±15% for DC coil resistance.
2.
Performance characteristic data are measured at a coil temperature of 23°C.
3.
AC coil resistance and impedance are provided as reference values (at 60 Hz).
4.
Power consumption drop was measured for the above data. When driving transistors, check leakage current and connect a
bleeder resistor if required.
444
General Purpose Relay – LY
■
Contact Rating
Relay
1-pole
Load
Resistive load
(cosϕ = 1)
110 VAC 15 A
24 VDC 15 A
15 A
250 VAC
125 VDC
15 A
1,700 VA
360 W
1,100 VA
170 W
Inductive load
(cosϕ = 0.4,
L/R = 7 ms)
110 VAC 10 A
24 VDC 7 A
Single Contact
2-, 3- or 4-pole
Resistive load
(cosϕ = 1)
110 VAC 10 A
24 VDC 10 A
10 A
250 VAC
125 VDC
10 A
1,100 VA
240 W
100 mA, 5 VDC
825 VA
120 W
Inductive load
(cosϕ = 0.4,
L/R = 7 ms)
110 VAC 7.5 A
24 VDC 5 A
Bifurcated contacts
2-pole
Resistive load
(cosϕ = 1)
110 VAC 5A
24 VDC 5 A
7A
250 VAC
125 VDC
7A
550 VA
120 W
100 mA, 5 VDC
440 VA
100 W
Inductive load
(cosϕ = 0.4,
L/R = 7 ms)
110 VAC 4 A
24 VDC 4A
Rated Load
Rated Carry
Current
Max. switching
voltage
Max. switching
current
Max. switching
power
Failure rate
100 mA, 5 VDC
(reference value)*
*Note:
P level:
λ
60 = 0.1 x 10
-6
/operation
■
Characteristics
50 mΩ max.
25 ms max.
25 ms max.
Mechanical: 18,000 operations/hr
Electrical: 1,800 operations/hr (under rated load)
100 MΩ min. (at 500 VDC)
1,000 VAC, 50/60 Hz for 1 min between contacts of same polarity
2,000 VAC, 50/60 Hz for 1 min between contacts of different polarity
Destruction: 10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude)
Malfunction: 10 to 55 to 10 Hz, 0.5 mm single amplitude (1.0 mm double amplitude)
Destruction: 1,000 m/s
2
Malfunction: 200 m/s
2
Mechanical: AC: 50,000,000 operations min. (at 18,000 operations/hr)
DC: 1,00,000,000 operations min. (at 18,000 operations/hr)
Electrical: Single-, three-, and four-pole: 200,000 operations min.
(at 1,800 operations/hr under rated load)
Double-pole: 500,000 operations min. (at 1,800 operations/hr under rated load)
Operating:
Single- and double-pole standard, bifurcated-contact Relays: –25°C to 55°C (with no icing)
(–25°C to 70°C if carry current is 4 A or less)
All other Relays: –25°C to 40°C (with no icing)
(–25°C to 55°C if carry current is 4 A or less)
Operating: 5% to 85%
Single- and double-pole: approx. 40 g, three-pole: approx. 50 g, four-pole: approx. 70 g
Contact resistance
Operate time
Release time
Max. operating frequency
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Endurance
Ambient temperature*
Ambient humidity
Weight
Note: 1.
The values given above are initial values
2.
The upper limit of 40°C for some Relays is because of the relationship between diode junction temperature and the element
used.
445
General Purpose Relays
Item
All except Relays with bifurcated contacts
Relays with bifurcated contacts
General Purpose Relay – LY
Endurance Under Real Loads (reference only)
LY1
■
Rated voltage
100 VAC
Load type
AC motor
AC lamp
Conditions
400 W, 100 VAC single-phase with
35-A inrush current, 7-A current flow
300 W, 100 VAC with 51-A
inrush current, 3-A current flow
500 W, 100 VAC with 78-A
inrush current, 5-A current flow
Capacitor
(2,000 µF)
AC solenoid
24 VDC with 50-A inrush current,
1-A current flow
50 VA with 2.5-A inrush current,
0.25-A current flow
100 VA with 5-A inrush current,
0.5-A current flow
ON for 1 s, OFF for 6 s
ON for 1 s, OFF for 2 s
Operating frequency
ON for 10 s, OFF for 50 s
ON for 5 s, OFF for 55 s
Electrical life
50,000 operations
100,000 operations
25,000 operations
100,000 operations
1,500,000 operations
800,000 operations
LY2
Rated voltage
100 VAC
Load type
AC motor
AC lamp
Capacitor
(2,000 µF)
Conditions
200 W, 100 VAC single-phase with
25-A inrush current, 5-A current flow
300 W, 100 VAC with 51-A
inrush current, 3-A current flow
24 VDC with 50-A inrush current,
1-A current flow
24 VDC with 20-A inrush current,
1-A current flow
AC solenoid
50 VA with 2.5-A inrush current,,
0.25-A current flow
100 VA with 5-A inrush current,
0.5-A current flow
ON for 1 s, OFF for 2 s
Operating frequency
ON for 10 s, OFF for 50 s
ON for 5 s, OFF for 55 s
ON for 1 s, OFF for 15 s
Electrical life
200,000 operations
80,000 operations
10,000 operations
150,000 operations
1,000,000 operations
500,000 operations
LY4
Rated voltage
100 VAC
Load type
AC motor
Conditions
200 W, 200 VAC triple-phase with
5-A inrush current, 1-A current flow
750 W, 200 VAC triple-phase with
18-A inrush current, 3.5 A current flow
AC lamp
Capacitor
(2,000 µF)
300 W, 100 VAC with 51-A
inrush current, 3-A current flow
24 VDC with 50-A inrush current,
1-A current flow
24 VDC with 20-A inrush current,
1-A current flow
AC solenoid
50 VA with 2.5-A inrush current,
0.25-A current flow
100 VA with 5-A inrush current,
0.5-A current flow
ON for 5 s, OFF for 55 s
ON for 1 s, OFF for 15 s
ON for 1 s, OFF for 2 s
ON for 1 s, OFF for 2 s
Operating frequency
ON for 10 s, OFF for 50 s
Electrical life
500,000 operations
70,000 operations
50,000 operations
5,000 operations
200,000 operations
1,000,000 operations
500,000 operations
446
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