Switches & Pilot Lights Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers
899
800-262-IDEC (4332) USA & Canada
RY/RM
Relays & Sockets
1705151135
RY/RM Series Miniature Relays
Key features:
RY2 (3A), RY4 (5A), RM2 (5A)
General purpose miniature relays
3A or 5A contact capacity
Wide variety of terminal styles and coil voltages meet a wide range of applications
All 4PDT types have arc barriers.
Part Number Selection
Part Number
Contact Model Plug-in Terminal PC Board Terminal Coil Voltage Code
DPDT (Slim) 3A
Standard RY2S-U 0RY2V-U 0
AC6V, AC12V, AC24V, AC110V, AC120V,
AC220V, AC240V
DC6V, DC12V, DC24V, DC48V, DC110V
With Indicator RY2S-UL 0RY2V-UL 0
With Check Button RY2S-UC 0
With Indicator and Check Button RY2S-ULC 0
Top Bracket Mounting RY2S-UT 0
With Diode (DC coil only) RY2S-UD 0RY2V-UD 0DC6V, DC12V, DC24V, DC48V, DC110V
DPDT (Wide) 5A
Standard RM2S-U 0RM2V-U 0
RYAC6V, AC12V, AC24V, AC110-120V, AC220-240V
DC6V, DC12V, DC24V, DC48V, DC100-110V
With Indicator RM2S-UL 0RM2V-UL 0
With Check Button RM2S-UC 0
With Indicator and Check Button RM2S-ULC 0
Top Bracket Mounting RM2S-UT 0
With Diode (DC coil only) RM2S-UD 0DC6V, DC12V, DC24V, DC48V, DC100-110V
With Indicator and Diode (DC coil only) RM2S-ULD 0
4PDT 5A
Standard RY4S-U 0RY4V-U 0
AC6V, AC12V, AC24V, AC110-120V,
AC220-240V
DC6V, DC12V, DC24V, DC48V, DC100-110V
With Indicator RY4S-UL 0RY4V-UL 0
With Check Button RY4S-UC 0
With Indicator and Check Button RY4S-ULC 0
Top Bracket Mounting RY4S-UT 0
With Diode (DC coil only) RY4S-UD 0DC6V, DC12V, DC24V, DC48V, DC100-110V
With Indicator and Diode (DC coil only) RY4S-ULD 0
Top mount models are designed to mount directly to a panel and do not require a socket. Ordering Information
When ordering, specify the Part No. and coil voltage code:
(example) RY4S-U AC110-120V
Part No. Coil Voltage Code
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Sockets
Relays Standard DIN
Rail Mount
Finger-safe DIN
Rail Mount Through Panel Mount PCB Mount
RY2S SY2S-05 SY2S-05C SY2S-51 SY2S-61
RM2 SM2S-05 SM2S-05C SM2S-51 SY4S-61
SY4S-62
RY4S SY4S-05 SY4S-05C SY4S-51
Hold Down Springs & Clips
Appearance Item Relay For DIN
Mount Socket
For Through Panel &
PCB Mount Socket
Pullover Wire
Spring
RY2S SY2S-02F1 SY4S-51F1
RM2
SY4S-51F1 SY4S-51F1
RY4S
Leaf Spring 1
(side latch)
RY2S
SFA-202 2SFA-302
RM2, RY4S
Leaf Spring 1
(top latch)
RY2S
SFA-101 2SFA-301RM2
RY4S
1. Not available for PCB mount socket SY4S-62.
2. Order 2 pieces per relay.
Accessories
Item Appearance Use with Part No. Remarks
Aluminum
DIN Rail
(1 meter length)
All DIN rail sockets BNDN1000
The BNDN1000 is designed to accommodate DIN mount sockets.
Made of durable extruded aluminum, the BNDN1000 measures 0.413
(10.5mm) in height and 1.37 (35mm) in width (DIN standard). Standard
length is 39” (1,000mm).
DIN Rail End
Stop DIN rail BNL5 9.1 mm wide.
Replacement
Hold-Down
Spring Anchor
Horseshoe clip for all DIN rail
sockets Y778-011 For use on DIN rail mount socket when using pullover wire hold down
spring. 2 pieces included with each socket.
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RY/RM
Relays & Sockets
1705151135
Specications
Contact Model Standard Contact
RY2 - DPDT Slim RM2 - DPDT Wide RY4 - 4PDT
Contact Material Gold-plated silver Silver Gold-plated silver
Contact Resistance 150 mΩ maximum 30 mΩ maximum 50 mΩ maximum
Minimum Applicable Load 24V DC, 5 mA; 5V DC,
10 mA (reference value)
24V DC, 10 mA; 5V DC,
20 mA (reference value)
24V DC, 5 mA; 5V DC,
10 mA (reference value)
Operating Time 220 ms maximum
Release Time 220 ms maximum
Power Consumption
(approx.)
AC: 1.1 VA (50 Hz), 1 VA (60 Hz)
DC: 0.8W
AC: 1.4 VA (50 Hz), 1.2 VA (60 Hz)
DC: 0.9W
AC: 1.4 VA (50 Hz), 1.2 VA (60 Hz)
DC: 0.9W
Insulation Resistance 100 MΩ minimum (500V DC megger)
Dielectric Strength
Between live and dead parts:
1500V AC, 1 minute 2000V AC, 1 minute 2000V AC, 1 minute
Between contact and coil:
1500V AC, 1 minute 2000V AC, 1 minute 2000V AC, 1 minute
Between contacts of different poles:
1500V AC, 1 minute 2000V AC, 1 minute 2000V AC, 1 minute
Between contacts of the same pole:
1000V AC, 1 minute 1000V AC, 1 minute 1000V AC, 1 minute
Operating Frequency Electrical: 1800 operations/h maximum
Mechanical: 18,000 operations/h maximum
Vibration Resistance Damage limits: 10 to 55 Hz, amplitude 0.5 mm
Operating extremes: 10 to 55 Hz, amplitude 0.5 mm
Shock Resistance Damage limits: 1000 m/s2
Operating extremes: 100 m/s2 (DPDT Slim), 200 m/s2 (4PDT, DPDT Wide)
Mechanical Life 50,000,000 operations
Electrical Life 200,000 operations (220V AC, 3A) 500,000 operations (220V AC, 5A) 100,000 operations (220V AC, 5A)
200,000 operations (220V AC, 3A)
Operating Temperature 3–25 to +55°C (no freezing) –25 to +45°C (no freezing) –25 to +55°C (no freezing) 4
Operating Humidity 45 to 85% RH (no condensation)
Weight (approx.) 23g 35g 34g
Note: Above values are initial values.
1. Measured using 5V DC, 1A voltage drop method
2. Measured at the rated voltage (at 20°C), excluding contact bouncing
Release time of relays with diode: 40 ms maximum
3. For use under different temperature conditions, refer to Continuous Load
Current vs. Operating Temperature Curve. The operating temperature range
of relays with indicator or diode is –25 to +40°C.
4. When the total current of 4 contacts is less than 15A, the operating
temperature range is –25 to +70°C.
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AC Coil Ratings
Voltage (V)
Rated Current (mA) ±15% at 20°C Coil Resistance (Ω) ±10%
at 20°C
Operation Characteristics
(against rated values at 20ºC)
AC 50Hz AC 60Hz
DPDT
Slim
DPDT Wide &
4PDT
DPDT
Slim
DPDT Wide &
4PDT
DPDT
Slim
DPDT Wide &
4PDT
Max. Continuous
Applied Voltage
Pickup
Voltage
Dropout
Voltage
6170 240 150 200 18.8 9.4
110% 80% maximum 30%
minimum
12 86 121 75 100 76.8 39.3
24 42 60.5 37 50 300 153
110 9.6 8.4 6,950
110-120 9.4-10.8 8.0-9.2 4,290
120 8.6 7.5 8,100
220 4.7 4.1 25,892
220-240 4.7-5.4 4.0-4.6 18,820
240 4.9 4.3 26,710
DC Coil Ratings
Voltage (V)
Rated Current (mA)
±15% at 20°C
Coil Resistance (Ω)
±10% at 20°C
Operation Characteristics
(against rated values at 20ºC)
DPDT Slim DPDT Wide & 4PDT DPDT Slim DPDT Wide & 4PDT Max. Continuous
Applied Voltage
Pickup
Voltage
Dropout
Voltage
6128 150 47 40
110% 80% maximum 10% minimum
12 64 75 188 160
24 32 36.9 750 650
48 18 18.5 2,660 2,600
100-110 8.2-9.0 12,250
110 8 13,800
Contact Ratings UL Ratings
Maximum Contact Capacity
Voltage
Resistive General use
DPDT
Slim
DPDT
Wide 4PDT DPDT
Slim
DPDT
Wide 4PDT
240V AC 3A 5A 5A 0.8A 2A 5A
120V AC 1.5A 2.5A
100V DC 0.2A 0.4A 0.2A 0.2A 0.2A
30V DC 3A 5A 5A 3A 5A
CSA Ratings
Voltage
Resistive General use
DPDT
Slim
DPDT
Wide 4PDT DPDT
Slim
DPDT
Wide 4PDT
240V AC 3A 5A 5A 0.8A 2A 5A
120V AC 3A 5A 1.5A 2.5A
100V DC 0.2A 0.4A 0.2A
30V DC 3A 5A 5A 1.5A 2.5A 1.5A
Contact Continuous
Current
Allowable Contact Power Rated Load
Resistive Load Inductive Load Voltage (V) Res. Load Ind. Load
DPDT Slim
(RY2) 3A 660 VA AC
90W DC
176 VA AC
45W DC
110V AC 3A 1.5A
220V AC 3A 0.8A
30V DC 3A 1.5A
DPDT Wide
(RM2) 5A 1100VA AC
150W DC
440VA AC
75W DC
110V AC 5A 2.5A
220V AC 5A 2A
30V DC 5A 2.5A
4PDT (RY4) 5A 1200 VA AC
150W DC
288 VA AC
60W DC
240V AC 5A 1.2A
30V DC 5A 2A
Note: Inductive load for the rated load — cos ø = 0.3, L/R = 7 ms
TÜV Ratings
Voltage DPDT
Slim
DPDT
Wide 4PDT
240V AC 3A 5A 5A
30V DC 3A 5A 5A
AC: cos ø = 1.0, DC: L/R = 0 ms
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Relays & Sockets
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Socket Specications
Sockets Terminal Electrical Rating Wire Size Torque
DIN Rail
Mount
Sockets
SY2S-05 M3 screws with captive wire clamp 300V, 7A Maximum up to 2–#14AWG 5.5 - 9 in•lbs
SM2S-05 M3 screw with captive wire clamp 300V, 10A Maximum up to 2–#14AWG 5.5 - 9 in•lbs
SY4S-05 M3 screw with captive wire clamp 300V, 7A* Maximum up to 2–#14AWG 5.5 - 9 in•lbs
Finger-safe
DIN Rail
Mount
SY2S-05C M3 screws with captive wire clamp, ngersafe 300V, 7A Maximum up to 2–#14AWG 5.5 - 9 in•lbs
SM2S-05C M3 screw with captive wire clamp, ngersafe 300V, 10A Maximum up to 2–#14AWG 5.5 - 9 in•lbs
SY4S-05C M3 screw with captive wire clamp, ngersafe 300V, 7A* Maximum up to 2–#14AWG 5.5 - 9 in•lbs
Through
Panel Mount
Socket
SY2S-51 Solder 250V, 7A
SM2S-51 Solder 250V, 10A
SY4S-51 Solder 250V, 7A*
PCB Mount
Socket
SY2S-61 PCB Mount 300V, 7A
SY4S-61 PCB Mount 300V, 7A
SY4S-62 PCB Mount 250V, 7A
* When using only 2 poles of the 4-poles, the UL recognized current is 10A.
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Characteristics (Reference Data)
Electrical Life Curves
AC Load
(RY2)
0 1
50
100
200
500
1000
20
10
2 3
Load Current (A)
110V AC resistive
220V AC inductive
110V AC inductive
220V AC resistive
Life (¥ 10,000 operations)
(RY4)
500
50
20
100
200
1000
10
10 3 52 4
Load Current (A)
Life ( ¥ 10,000 operations)
240V AC resistive
240V AC inductive
(RM2)
10 3 52 4
50
100
500
1000
10
Load Current (A)
Life ( ¥ 10,000 operations)
110V AC resistive
220V AC resistive
110V AC inductive
220V AC inductive
DC Load `
(RY2)
0 5
50
100
200
500
1000
20
10
2 3
100V DC inductive
100V DC resistive
30V DC inductive
Life (¥ 10,000 operations)
Load Current (A)
30V DC resistive (RY4)
30V DC resistive
30V DC inductive
500
50
20
100
200
1000
10
10 3 52 4
Life (¥ 10,000 operations)
Load Current (A)
(RM2)
10 3 52 4
50
100
500
1000
10
Life (¥ 10,000 operations)
Load Current (A)
30V DC resistive
100V DC resistive
30V DC inductive
100V DC inductive
Switches & Pilot Lights Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers
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800-262-IDEC (4332) USA & Canada
RY/RM
Relays & Sockets
1705151135
Maximum Switching Capacity
(RY2)
1 5
0.5
1
5
3
10 100 200 30050
Load Voltage (V)
DC inductive DC resistive
Load Current (A)
AC resistive
AC
inductive
0.1
(RY4)
1
0.5
0.3
0.2
1
5
3
2
10 100 200 300503020
Load Voltage (V)
DC inductive
Load Current (A)
AC resistive
AC inductive
DC resistive
(RM2)
1 5
0.5
0.1
1
5
10 100 200 30050
Load Voltage (V)
Load Current (A)
DC inductive
AC
inductive
AC resistive
DC
resistive
Continuous Load Current vs. Operating Temperature Curve (Standard Type, With Check Button, and Top Bracket Mounting Type)
(RY2)
1
0
10
20
30
40
50
60
70
80
90
100
32
DC Coil
AC Coil
Load Current (A)
(RY4)
0
10
20
30
40
50
60
70
80
90
100
Load Current (A)
DC Coil
1 32
AC Coil
Operating Temperature (C)
(RM2)
1
0
10
20
30
40
50
60
70
80
90
100
3 52 4
Load Current (A)
Operating Temperature (C)
DC Coil
AC Coil
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Internal Connection (View from Bottom)
Standard Type
DPDT Slim (RY2) DPDT Wide (RM2) 4PDT (RY4) With Check Button
Front
Pushbutton
Contacts can be operated by pressing the
check button.
With Indicator (-L type)
DPDT Slim (RY2) DPDT Wide (RM2) 4PDT (RY4)
Coil
Below
100V
AC/DC
Coil
Below
24V AC/
DC
When the relay is energized,
the indicator goes on.
An LED protection diode
is not contained in DPDT
relays for coils below 100V
DC.
If coil polarity is reversed
LED will not light.
Coil
100V
AC/DC
and over
Coil 24V
AC/DC
and over
With Diode (-D type)
DPDT Slim (RY2) DPDT Wide (RM2) 4PDT (RY4)
Contains a diode to absorb the back emf
generated when the coil is de-energized. The
release time is slightly longer.
Diode Characteristics
Reverse withstand voltage: 1,000V
Forward current: 1A
With Indicator and Diode (-LD type)
DPDT Wide (RM2) 4PDT (RY4) DPDT Wide (RM2) 4PDT (RY4)
Coil
Below
24V DC
Coil 24V
DC and
over
1
5
9
4
8
12
(+)1413(–)
1
5
13(–) (+)14
9
2
6
10
3
7
11
4
8
12
Contains an LED
indicator and a surge
absorber.
Switches & Pilot Lights Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers
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800-262-IDEC (4332) USA & Canada
RY/RM
Relays & Sockets
1705151135
Dimensions (mm)
RY2S RY4S RM2S
SY2S-05: 61.5 (63.5) max., SY2S-51: 39.6 (41.6) max.
13
9
5
1
8
14
12
4
35.6 max. 5.4 14
27.5
2.6
0.5
Total length from panel surface including relay socket
Dimensions in the ( )
include a hold-down spring.
3 × ø1.2 oblong hole
4
8
12
14
11
7
3
10
6
13
5
9
12
35.6 max. 6.4 21
27.5
0.5 2.6
Total length from the panel surface including relay socket
SY4S-05: 61.5 (63.5) max., SY4S-51: 39.6 (41.6) max.
2.2 × ø1.2
oblong
hole Dimensions in the ( )
include a hold-down spring.
4
8
12
1413
5
9
1
2.6
0.5
35.6 max. 6.4 21
27.5
Total length from the panel surface including relay socket.
SM2S-05: 61.5 (63.5) max., SM2S-51: 39.6 (41.6) max.
Dimensions in the ( )
include a hold-down spring.
2.2 × ø1.2 hole
RY2V RY4V RM2V
13
9
5
1
8
14
12
4
35.6 max. 4 14 4.4
12.7 4.1
6.4
7.15
27.5
0.5 0.8
2.6
0.5
8-ø1 holes
4
8
12
14
11
7
3
10
6
13
5
9
1 2
35.6 max. 4 21 4.4
4.4
4.4
6.6
12.7 4.1
6.4
7.15
27.5
0.5 2.6
0.8
0.5
14-ø1 holes
9
1
13
5
4
8
12
14
35.6 max. 4 21 13.2
27.5
7.15
6.4
12.7 4.1
0.5
0.8
2.6
0.5
8-ø1 hole
RY2S-UT RY4S-UT RM2S-UT
13
9
5
1
8
14
12
4
14.5
3.5
35.6 max. 5.4
2
38
43.2
27.5
6.4 6.3 4.1
0.5 2.6
4.4
3 ¥ ø1.2 oblong hole
12
14
1110
13
9
4
87
3
65
1 2
21.5
3.5
35.6 max. 6.4
2
38
43.2
27.5
6.4
6.3
4.1
0.5
4.4
4.4
4.4
2.6
2.2 ¥ ø1.2 oblong hole
4
8
12
1413
5
9
1
21.5
3.5
35.6 max. 6.4
2
27.5
38
43.2
0.5
6.4
6.3
4.1
2.6
13.2
2.2 ¥ ø1.2 hole
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Dimensions
Standard DIN Rail Mount Sockets
SY2S-05 SM2S-05
6
17
4.2
622
20
16
M3 Terminal
Screw
25
45
18
14.5
DIN Rail
(BNDN)
31.5
8
4
5
1
12
14
9
13
Terminal Arrangement
16
2-ø4.2 Mounting Holes
(or M4 Tapped Holes)
5.9 max.
4 max. 4.8 min.
ø3.2 min.
(Top View)
6
30
26
4.2
623 0.7
M3 Terminal
Screw
18.5
25
45
18
31.5
DIN Rail
(BNDN)
1
4
13
9
14
12
5
8
Terminal Arrangement
26
2-ø4.2 Mounting Holes
(or M4 Tapped Holes)
5.9 max.
4 max. 4.8 min.
ø3.2 min.
(Top View)
SY4S-05
6
30
26
4.2
623 0.7
M3 Terminal
Screw
18.5
25
45
18
31.5
DIN Rail
(BNDN)
1
13
9
14
12 11 10
56
78
432
Terminal Arrangement
26
2-ø4.2 Mounting Holes
(or M4 Tapped Holes)
5.9 max.
4 max. 4.8 min.
ø3.2 min.
(Top View)
Finger-safe DIN Rail Mount Sockets
SY2S-05C SM2S-05C
ø5
25
46
29
18.2
4.2
1.6 64
6
17.2
16
20
2
M3 Terminal
Screw
8
4
5
1
12
14
9
13
Terminal Arrangement
35.5
16
2-ø4.2 Mounting Holes
(or M4 Tapped Holes)
DIN Rail
(BNDN)
Ring terminals
cannot be used. (Top View)
ø5.5
25
18
2
30
6
64
26
46
1.6
4.2
29
18.2
M3 Terminal
Screw
1
4
13
9
14
12
5
8
Terminal Arrangement
35.5
26
2-ø4.2 Mounting Holes
(or M4 Tapped Holes)
DIN Rail
(BNDN)
Ring terminals
cannot be used. (Top View)
SY4S-05C
ø5.5
18
25
2
30
6
64
26
46
1.6
4.2
29
18.2
26
M3 Terminal
Screw
1
13
9
14
12 11 10
56
78
432
Terminal Arrangement
35.5
2-ø4.2 Mounting Holes
(or M4 Tapped Holes)
DIN Rail
(BNDN)
(Top View)
Ring terminals
cannot be used.
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Through Panel Mount Socket
SY2S-51 SM2S-51
3
11
18.7
18
31
2.4
12.2
25.4
Panel Thickness:
1 to 2
13
1
5
9
14
4
8
12
Terminal Arrangement
* 10.4 min. when husing hold-down springs
+0.2
0
+0.5
0
[18(N–1)+12.4]
5.4 min.* 25.6
N: No. of sockets mounted
0.3
(Bottom View)
3
11
18.7
27
31
0.3
25.4
2.4
21.2
13 14
1
5
912
8
4
Terminal Arrangement
25.6
0
+0.5
+0.2
0
* 10.4 min. when using hold-down springs
[27 (N–1) + 21.4]
5.4 min.*
N: No. of sockets mounted
Panel Thickness:
1 to 2
(Bottom View)
SY4S-51
27
31
2.4
21.2
3
11
18.7
25.4
Panel Thickness:
1 to 2
10
7
13 14
1
5
9
3
12
8
4
6
2
11
Terminal Arrangement
25.6
0
+0.5
+0.2
0
* 10.4 min. when using hold-down springs
[27 (N–1) + 21.4]
5.4 min.*
N: No. of sockets mounted
0.3
(Bottom View)
PCB Mount Sockets
SY2S-61 SY4S-61
3
11
15
18
31
12.2
25.4
1.5
4.4 13.6 min.
9
8-ø2 holes
(Tolerance 0.1)
* 19.2 min. when using
hold-down springs
14.2 min.* 16.8
4.1
10.4
13
1
5
9
14
4
8
12
Terminal Arrangement
0.3
(Bottom View)
27
31
21.2
3
11
15
0.3
25.4
1.5
10
7
13 14
1
5
9
3
12
8
4
6
2
11
Terminal Arrangement
* 19.2 min. when using
hold-down springs
(Bottom View)
4.4
13.8 min.
9
15-ø2 holes
(Tolerance 0.1)
14.2 min.* 16.8
4.1
10.4
8.8
13.2
1.4
SY4S-62
1.5
3
11
15
21.2
29
0.3
4.1
10.4
16.8
1.4
12.2 min.*
(Tolerance 0.1)
13.2
8.2 min.**
4.4
8.8
15-ø2 holes
9
10
7
13 14
1
5
9
3
12
8
4
6
2
11
Terminal Arrangement
13.2 min. when using a hold-down spring for
the relay with check button
17.2 min. when using a hold-down spring.
*
* *
(Bottom View)