AbsolutAire RU2 User Manual
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 V oltage 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 flag indicator, marking plate.
2. **Contact IDEC for other voltages.
RU Series
RU Series — General Purpose 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 flag 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 - RoHS compliant
• Color coded coils for visual distinction
• Contact rating 6A: 4PDT
10A: DPDT
E
Contact Material
Contact Resistance
Minimum
Applicable Load
Relays
Operating Time
Release Time
Maximum
Continuous Applied
Voltage
(AC/DC) at 20°C
Minimum
Operating Voltage
(AC/DC) at 20°C
Drop-Out Voltage
(AC) at 20°C
Drop-Out Voltage
(DC) at 20°C
Power Consumption
Dielectric Strength
Specifications
Frequency Response
Vibration Resistance
Shock Resistance
Life Expectancy
Degree of Protection
Operating Temperature
Weight
AgSnOIn (silver tin oxide
indium)
Between contact and coil:
2,500VAC, 1 minute
Between poles:
2,500VAC, 1 minute
Between contacts of the
same pole:
1,000VAC, 1 minute
RU2 RU4
50 m
Ω
maximum
24VDC, 5mA
(reference value)
20 msec maximum
20 msec maximum
110%
80%
30%
10%
1.1-1.4VA (AC); 0.9-1.0W (DC)
1,800 operations/hr
Operating extremes:
10 to 55Hz,
Amplitude 1.0 mm p-p
Damage limits: 10 to 55Hz,
Amplitude 1.0 mm p-p
Operating extremes:
150 m/s
Damage limits:
1,000 m/s
Mechanical:
AC: 20,000,000 operations
minimum
DC: 30,000,000 operations
minimum
Electrical:
see electrical life curve
IP40
-55 to +70°C (no freezing)
35g
AuAg/Ag (gold-silver alloy
on silver)
1V DC, 1mA (standard)
1V DC, 0.1mA (bifurcated)
Between contact and coil:
2,500VAC, 1 minute
Between poles:
2,000VAC, 1 minute
Between contacts of the
same pole:
1,000VAC, 1 minute
2
(15G)
2
(100G)
Relays
UL Recognized
File No. E66043, Vol 8, sec. 1
Vol 8, sec. 2
B020813332451
CSA Certified
File No. LR35144-135844
Consult factory for other voltages.
E-8
www.idec.com
USA: (800) 262-IDEC or (408) 747-0550, Canada: (888) 317-IDEC
Relays RU Series
*DC
Part Numbers: RU Series with Options
Termination
S: Solder/plugin
Standard
Bifurcated 4PDT RU42S RU42S-C RU42S-M RU42S-D
Part Numbers: Sockets
Relays
RU2S SU2S-11L SM2S-05 SM2S-05C
RU4S SU4S-11L SY4S-05 SY4S-05C
Spring Clamp
DIN Rail Mount
See Section F for details on sockets. All DIN rail mount
sockets shown above can be mounted using DIN rail BNDN1000.
Contact
Configuration
DPDT RU2S RU2S-C RU2S-M RU2S-D
4PDT RU4S RU4S-C RU4S-M RU4S-D
Standard DIN
Rail Mount
Standard
Finger-Safe DIN
Rail Mount
Part Numbers
Without
Latching Lever
Panel Mount PC Mount
SY4S-51
With Momentary
Check Button
SY4S-61
SY4S-62
With Diode*
coils only.
Springs & Clips (optional)
Part Number Use With
SFA-101①
SFA-202
SY4S-02F1➂
SFA-301①
SFA-302
SY4S-51F1➂
use with SY4S-05, -05C
➁
SM2S-05, -05C
SU4S-11L, SU2S-11L
➁
use with SY4S-51, -61
① Top latch
➁ Side latch
➂ Pullover spring
E
Relays
Part Numbers: Marking Strip Marking Strip Color Code
Item Part Number Quantity Color Code Color Code
RU Marking Strip RU9Z-P①PN10, 10 pieces per package Yellow* Y Blue S
In place of ①, insert color code
from chart at right.
Green G White W
Amber A
*yellow marking
strip standard on
all RU relays.
Ratings
Coil Ratings
Rated Voltage Voltage Code
24V A24
AC
110-120V A110
220-240V A220
12V D12
DC
24V D24
110V D110
*Voltage printed in black.
Coil Tape
Colors
white 37.5mA 164 Ω 60mA 1.8H 0.96H
dark blue 8.4mA 4,550 Ω 14mA 36H 22H
red 4.2mA 18,230Ω 7mA 144H 87H
yellow* 83.3mA 160 Ω
green 41.7mA 605 Ω
yellow* 9.1mA 12, 100 Ω
Rated Current ±15%
at 20°C
Coil Resistance
±10% at 20°C
Inrush
Current
Energizing De-Energizing
Inductance
N/A
Contact Ratings (Standard) Contact Ratings (Bifurcated)
Voltage Resistive Inductive Voltage Resistive Inductive
30V DC
110V DC
120V AC
240V AC
www.idec.com USA: (800) 262-IDEC or (408) 747-0550, Canada: (888) 317-IDEC E-9
DPDT 10A 5A 30V DC 4PDT 3A 1.5A
4PDT 6A 3A 110V DC 4PDT – –
DPDT 0.6A 0.3A 120V DC 4PDT 3A 0.8A
4PDT 0.4A 0.2A 250V DC 4PDT 3A 0.8A
DPDT 10A 5A
4PDT 6A 3A
DPDT 10A 5A
4PDT 6A 3A
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