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Idec Relays Distributors
Section

Selection Guides .................................. E-2
General Purpose Relays

RU Series . . . . . . . . . . . . . . . . . . . . . E-3
RH Series . . . . . . . . . . . . . . . . . . . . . E-7
RR Series . . . . . . . . . . . . . . . . . . . . E-13
RY/RM Series . . . . . . . . . . . . . . . . . E-17

Latching Relays

RR2KP Series . . . . . . . . . . . . . . . . . E-22
RH2L Series . . . . . . . . . . . . . . . . . . E-25
RY2KS Series . . . . . . . . . . . . . . . . . E-28
RY2L Series . . . . . . . . . . . . . . . . . . E-31

Solid State Relays

RSS Series. . . . . . . . . . . . . . . . . . . . E-34

E

Relays
1025 Exchange St. Boise, ID 83716 USA. Phone 800.894.0412 Fax 208.368.0415
Visit our website at www.clrwtr.com email us at info@clrwtr.com
Selection Guide

Relays

E-2

www.idec.com


USA: (800) 262-IDEC or (408) 747-0550, Canada (888) 317-IDEC

E

Relays

General Purpose Relays
General Purpose Latching Relays
Solid State Relays

RU Series
RH Series
RR Series
RY/RM Series
Appearance
Page

E-3
E-7
E-13
E-17

Contact Configuration

2, 4 Form C
1, 2, 3, 4 Form C
1, 2, 3 Form C



2 Form C
2, 4 Form C

Contact Rating

(resistive)

DPDT: 10A, 30V DC/250V AC
4PDT: 6A, 30V DC/250V AC
1/10 HP, 240V AC
Bifurcated: 3A 250V AC
10A, 30V DC/240V AC
1/3HP, 240V AC
1/6HP, 120V AC
10A, 30V DC/ 240V AC
1/3HP, 240V AC
1/4HP, 120V AC
5A, 30V DC/240V AC
RY: DPDT: 3A, 30V DC/240V AC
4PDT: 5A, 30V DC/240V AC
Bifurcated: 1A 30V DC/120V AC

Contact Material

DPDT
AgSnOIn (Silver Tin
Oxide Indium)
Silver-
Cadmium Oxide
Silver
Silver
Standard
Silver, Gold-plated
4PDT
AuAg/Ag (Gold-
Silver Alloy on Silver)
Bifurcated
Silver-Paladium
Alloy (Ag-PD Alloy)

RR2KP Series
RH2L Series
RY2KS Series
RY2L Series
Appearance
Page

E-22
E-25
E-28
E-31

Contact Configuration

2 Form C
2 Form C
2 Form C
2 Form C

Contact Rating


(resistive)

10A, 30V DC
10A, 120V AC
10A, 30V DC
10A, 120V AC
7.5A, 240V AC
3A, 30V DC
3A, 120V AC
3A, 30V DC
3A, 120V AC
3A, 240V AC

Contact Material

Silver
Silver-cadmium oxide
Silver, gold-plated
Silver, gold-ashed

RSS Series
Appearance
Page

E-34

Contact Configuration

1 Form A (SPST-NO)

Contact Rating

10, 25, 50, 75, 90A
48V AC to 660V AC Output

Output

Dual SCR (zero crossing)
Selection Guides
1025 Exchange St. Boise, ID 83716 USA. Phone 800.894.0412 Fax 208.368.0415
Visit our website at www.clrwtr.com email us at info@clrwtr.com
Relays

RU Series

www.idec.com


USA: (800) 262-IDEC or (408) 747-0550, Canada (888) 317-IDEC
E-3

E

Relays

Key features of the RU series include:
Non-polarized LED indicator standard
Solder-free construction (spot welded, no solder points, lead-free)
No internal wires
Mechanical ag indicator standard
Manual latching lever with color coding for AC or DC coil
Available without latching lever (or with momentary check button)
Snap-on marking plate standard
Cadmium-free contacts
Color coded coils for visual distinction
Contact rating 6A: 4PDT
10A: DPDT
RU2
RU4

Specifications

Contact Material

AgSnOIn (silver tin oxide
indium)
AuAg/Ag (gold-silver alloy
on silver)

Contact Resistance

50 m

maximum

Minimum
Applicable Load

24VDC, 5mA
(reference value)
1V DC, 1mA (standard)
1V DC, 0.1mA (bifurcated)

Operating Time

20 msec maximum

Release Time

20 msec maximum

Maximum
Continuous Applied
Voltage
(AC/DC) at 20°C

110%

Minimum
Operating Voltage
(AC/DC) at 20°C

80%

Drop-Out Voltage
(AC) at 20°C

30%

Drop-Out Voltage
(DC) at 20°C

10%

Power Consumption

1.1-1.4VA (AC); 0.9-1.0W (DC)

Dielectric Strength

Between contact and coil:
2,500VAC, 1 minute
Between poles:
2,500VAC, 1 minute
Between contacts of the
same pole:
1,000VAC, 1 minute
Between contact and coil:
2,500VAC, 1 minute
Between poles:
2,000VAC, 1 minute
Between contacts of the
same pole:
1,000VAC, 1 minute

Frequency Response

1,800 operations/hr

Vibration Resistance

Operating extremes:
10 to 55Hz,
Amplitude 1.0 mm p-p
Damage limits: 10 to 55Hz,
Amplitude 1.0 mm p-p

Shock Resistance

Operating extremes:
150 m/s2 (15G)
Damage limits:
1,000 m/s2 (100G)

Life Expectancy

Mechanical:
AC: 20,000,000 operations
minimum
DC: 30,000,000 operations
minimum
Electrical:
see electrical life curve

Degree of Protection

IP40

Operating Temperature

-55 to +70°C (no freezing)

Weight

35g
RU Series General Purpose Relays

Consult factory for other voltages.
UL Recognized
File No. E66043, Vol 8, sec. 1
Vol 8, sec. 2
B020813332451
CSA Certied
File No. LR35144-135844
Ordering Information
Basic Part No.
Coil Voltage:
RU 4
S ( ) D12
# of Contacts
2 = DPDT
4 = 4PDT
42 = 4PDT bifurcated
contacts

Option*
(Blank) = with latching check
button
C = without check button
M = momentary check button
D = surge suppression diode (DC coils only)
Coil Voltage Code**
D12 = 12V DC
D24 = 24V DC
D110 = 110V DC
A24 = 24V AC
A110 = 110-120V AC
A220 = 220-240V AC
1. *All come with bi-polar LED, mechanical ag indica-
tor, marking plate.
2. **Contact IDEC for other voltages.
1025 Exchange St. Boise, ID 83716 USA. Phone 800.894.0412 Fax 208.368.0415
Visit our website at www.clrwtr.com email us at info@clrwtr.com
RU Series

Relays

E-4

www.idec.com


USA: (800) 262-IDEC or (408) 747-0550, Canada (888) 317-IDEC

E

Relays

Part Numbers: RU Series with Options
Part Numbers: Sockets
Part Numbers: Marking Strip Marking Strip Color Code



Coil Ratings
Contact Ratings (Standard) Contact Ratings (Bifurcated)

Termination
Contact
Configuration
Standard
Without
Latching Lever
With Momentary
Check Button
With Diode*

S: Solder/plugin
Standard
DPDT
RU2S
RU2S-C
RU2S-M
RU2S-D
4PDT
RU4S
RU4S-C
RU4S-M
RU4S-D
Bifurcated
4PDT
RU42S
RU42S-C
RU42S-M
RU42S-D

Relays
Spring Clamp
DIN Rail Mount
Standard DIN
Rail Mount
Finger-Safe DIN
Rail Mount
Panel Mount PC Mount
Springs & Clips (optional)
Part Number
Use With

RU2S
SU2S-11L
SM2S-05
SM2S-05C
SY4S-51
SY4S-61
SY4S-62
SFA-101

SFA-202

SY4S-02F1

use with SY4S-05, -05C
SM2S-05, -05C
SU4S-11L, SU2S-11L
RU4S
SU4S-11L
SY4S-05
SY4S-05C
SFA-301

SFA-302

SY4S-51F1

use with SY4S-51, -61

Item
Part Number
Quantity
Color
Code
Color
Code

RU Marking Strip
RU9Z-P

PN10,
10 pieces per package
Yellow*
Y
Blue
S
Green
G
White
W
Amber
A

Rated Voltage
Voltage Code Coil Tape
Colors
Rated Current ±15%
at 20°C
Coil Resistance
±10% at 20°C
Inrush
Current
Inductance
Energizing
De-Energizing
AC

24V

A24

white
37.5mA
164

60mA
1.8H
0.96H

110-120V

A110

dark blue
8.4mA
4,550

14mA
36H
22H

220-240V

A220

red
4.2mA
18,230

7mA
144H
87H

DC

12V

D12

yellow*
83.3mA
160

N/A

24V

D24

green
41.7mA
605

110V

D110

yellow*
9.1mA
12, 100

Voltage
Resistive
Inductive
Voltage
Resistive
Inductive

30V DC
DPDT
10A
5A
30V DC
4PDT
3A
1.5A
4PDT
6A
3A
110V DC
4PDT
110V DC
DPDT
0.6A
0.3A
120V DC
4PDT
3A
0.8A
4PDT
0.4A
0.2A
250V DC
4PDT
3A
0.8A
120V AC
DPDT
10A
5A
4PDT
6A
3A
240V AC
DPDT
10A
5A
4PDT
6A
3A
Part Numbers
*DC coils only.
See Section F for details on sockets. All DIN rail mount
sockets shown above can be mounted using DIN rail BNDN1000.
Top latch Side latch Pullover spring
*yellow marking
strip standard on
all RU relays.
In place of , insert color code
from chart at right.
Ratings
*Voltage printed in black.
1025 Exchange St. Boise, ID 83716 USA. Phone 800.894.0412 Fax 208.368.0415
Visit our website at www.clrwtr.com email us at info@clrwtr.com
Relays

RU Series

www.idec.com


USA: (800) 262-IDEC or (408) 747-0550, Canada (888) 317-IDEC
E-5

E

Relays

RU2S Standard RU2S-D with Diode RU4S/RU42S Standard RU4S-D/RU42S-D with Diode
Internal Circuit*
(14)A2
(13)A1
(12)41
(9)11
(8)44
(5)14
(4)42
(1)12
Over 24V AC/DC
24V AC/DC or less
(13)A1
(14)A2
(1)12
(4)42
(5)14
(8)44
(9)11
(12)41
(1)12
(4)42
(5)14
(8)44
(9)11
(12)41
(13)A1
(14)A2
Over 24V DC
(14)A2
(13)A1
24V DC or less
(12)41
(9)11
(8)44
(5)14
(4)42
(1)12
Over 24V AC/DC
(1)12 (2)22
(3)32 (4)42
(5)14 (6)24
(7)34 (8)44
(9)11 (10)21 (11)31 (12)41
(13)A1
(14)A2
(14)A2
(13)A1
24V AC/DC or less
(12)41
(11)31
(10)21
(9)11
(8)44
(7)34
(6)24
(5)14
(4)42
(3)32
(2)22
(1)12
(14)A2
24V DC or less
(14)A2
(13)A1
(12)41
(11)31
(10)21
(9)11
(8)44
(7)34
(6)24
(5)14
(4)42
(3)32
(2)22
(1)12
Over 24V DC
(1)12 (2)22
(3)32 (4)42
(5)14 (6)24
(7)34 (8)44
(9)11 (10)21 (11)31 (12)41
(13)A1
Image as viewed from bottom of relay. Refer to socket for exact
wiring layout (Section F)
.
Electrical Life Curves
DC110V
10