RU4S-C-A220

Power Relay, 4PDT, 240 VAC, 6 A, RU Series, Socket, Non Latching

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Manufacturer: IDEC
Product type: Power Relays
SVHC: No SVHC (25-Jun-2025)
Coil Type: Non Latching
Coil Voltage: 240VAC
Product Range: RU Series
Relay Mounting: Socket
Coil Resistance: 18.23kohm
Contact Current: 6A
Relay Terminals: Plug In
Contact Material: Silver
Contact Voltage VAC: 250V
Contact Voltage VDC: 30V
Contact Configuration: 4PDT

Delivery and price
Units per pack	50
Price	9.7 €
Current stock	10+
Lead time	30 days

Datasheet

_**Relays**_ 

RU Series 

**E** = 

## **RU Series — General Purpose Relays** ~~LT~~ 

## **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** 

**RU2 RU4** UL Recognized **Contact Material** AgSnOIn (silver tin oxide AuAg/Ag (gold-silver alloy File No. E66043, Vol 8, sec. 1 indium) ~~a~~ on silver) Vol 8, sec. 2 fF **Contact Resistance** 50 m Ω maximum **Minimum** 24VDC, 5mA 1V DC, 1mA (standard) B020813332451 ~~a~~ **Applicable Load** (reference value) 1V DC, 0.1mA (bifurcated) **Operating Time** 20 msec maximum Pe **Release Time** 20 msec maximum **Maximum** CSA Certified **Continuous Applied** 110% File No. LR35144-135844 **Voltage** a **(AC/DC) at 20°C** G **Minimum Operating Voltage** 80% **(AC/DC) at 20°C** oo **Drop-Out Voltage** C ~~€~~ 30% **(AC) at 20°C** pS **Drop-Out Voltage** 10% **(DC) at 20°C** po **Power Consumption** 1.1-1.4VA (AC); 0.9-1.0W (DC) ~~——~~ **Ordering Information** Between contact and coil: Between contact and coil: 2,500VAC, 1 minute 2,500VAC, 1 minute Consult factory for other voltages. Between poles: Between poles: **Dielectric Strength** 2,500VAC, 1 minute 2,000VAC, 1 minute Between contacts of the Between contacts of the **Basic Part No. Coil Voltage:** same pole: same pole: | 1,000VAC, 1 minute 1,000VAC, 1 minute **RU 4 S – (  ) –  D12 Frequency Response** 1,800 operations/hr **# of Contacts** ~~|~~ Operating extremes: 2 = DPDT 10 to 55Hz, **Coil Voltage Code** Vibration Resistance** Amplitude 1.0 mm p-p 4 = 4PDT D12 = 12V DC Damage limits: 10 to 55Hz, 42 = 4PDT bifurcated D24 = 24V DC Amplitude 1.0 mm p-p contacts D110 = 110V DC Operating extremes: 150 m/s[2] (15G) A24 = 24V AC **Shock Resistance** Damage limits: **Option*** A110 = 110-120V AC 1,000 m/s[2] (100G) (Blank) = with latching check A220 = 220-240V AC Mechanical: button AC: 20,000,000 operations minimum C = without check button **Life Expectancy** DC: 30,000,000 operations M = momentary check button minimumElectrical: D = surge suppression diode (DC coils only) see electrical life curve _ **Degree of Protection** IP40 _1. *All come with bi-polar LED, mechanical flag indica-_ **Operating Temperature** -55 to +70°C (no freezing) _tor, marking plate._ P| i _2. **Contact IDEC for other voltages._ ~~Fe~~ **Weight** 35g 

_**www.idec.com**_ 

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

_**E-8**_ 

RU Series 

**E** 

## _**Relays**_ 

## **Part Numbers** 

## **Part Numbers: RU Series with Options** 

|**Termination**||**Contact**<br>**Configuration**|**Standard**|**Without**<br>**Latching Lever**|**With Momentary**<br>**Check Button**|**With Diode***|_*DC coils only._|
|---|---|---|---|---|---|---|---|
|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||



## **Part Numbers: Sockets** 

|**Relays**|**Spring Clamp**<br>**DIN Rail Mount**<br> <br>|**Spring Clamp**<br>**DIN Rail Mount**<br> <br>|**Standard DIN**<br>**Rail Mount**|**Finger-Safe DIN**<br>**Rail Mount**|**Panel Mount**|**Panel Mount**|**PC Mount**|**Springs & Clips (optional)**|**Springs & Clips (optional)**|
|---|---|---|---|---|---|---|---|---|---|
|||||||||**Part Number**|**Use With**|
|RU2S|SU2S-11L||SM2S-05|SM2S-05C|SY4S-51|||SFA-101①<br>SFA-202➁<br>SY4S-02F1➂|use with SY4S-05, -05C<br>SM2S-05, -05C<br>SU4S-11L, SU2S-11L|
|RU4S|SU4S-11L||SY4S-05|SY4S-05C||||SFA-301①<br>SFA-302➁<br>SY4S-51F1➂|use with SY4S-51, -61|
|**Part Numbers: Marking Strip**<br>_See Section F for details on sockets. All DIN rail mount_<br>_sockets shown above can be mounted using DIN rail BNDN1000._||||||**Marking Strip Color Code**<br>①_Top latch_<br>➁_Side latch_<br>➂_Pullover spring_||||
|**Item**||**Part Number**||||**Color**||||
|RU Marking Strip||RU9Z-P①PN10,||||Yellow*||||
|||||||Green||||
|||||||Amber||||



## **Ratings** 

## **Coil Ratings** 

|**Ratings**|**Ratings**|**Ratings**|**Ratings**|**Ratings**|**Ratings**|**Ratings**|**Ratings**|**Ratings**|
|---|---|---|---|---|---|---|---|---|
|**Coil Ratings**<br>**Rated Voltage**<br>**Voltage Code**<br>**Coil Tape**<br>**Colors**<br>**Rated Current ±15%**<br>**at 20°C**<br>**Coil Resistance**<br>**±10% at 20°C**<br>**Inrush**<br>**Current**<br>**Inductance**<br>**Energizing**<br>**De-Energizing**<br>**AC**<br>24V<br>**A24**<br>white<br>37.5mA<br>164Ω<br>60mA<br>1.8H<br>0.96H<br>110-120V<br>**A110**<br>dark blue<br>8.4mA<br>4,550Ω<br>14mA<br>36H<br>22H<br>220-240V<br>**A220**<br>red<br>4.2mA<br>18,230Ω<br>7mA<br>144H<br>87H<br>**DC**<br>12V<br>**D12**<br>yellow*<br>83.3mA<br>160Ω<br>N/A<br>24V<br>**D24**<br>green<br>41.7mA<br>605Ω<br>110V<br>**D110**<br>yellow*<br>9.1mA<br>12, 100Ω|||||||||
|**Rated Voltage**||**Voltage Code**|<br>**Coil Tape**<br>**Colors**|**Rated Current ±15%**<br>**at 20°C**|**Coil Resistance**<br>**±10% at 20°C**|**Inrush**<br>**Current**|**Inductance**<br>**Energizing**<br>**De-Energizing**||
|||||||||**De-Energizing**|
|**AC**|24V|**A24**|white|37.5mA|164Ω|60mA|1.8H|0.96H|
||110-120V|**A110**|dark blue|8.4mA|4,550Ω|14mA|36H|22H|
||220-240V|**A220**|red|4.2mA|18,230Ω|7mA|144H|87H|
|**DC**|12V|**D12**|yellow*|83.3mA|160Ω||N/A||
||24V|**D24**|green|41.7mA|605Ω||||
||110V|**D110**|yellow*|9.1mA|12, 100Ω||||



_*Voltage printed in black._ 

## **Contact Ratings (Standard)                                                Contact Ratings (Bifurcated)** 

|**Voltage**||**Resistive**|**Inductive**||**Voltage**||**Resistive**|**Inductive**|
|---|---|---|---|---|---|---|---|---|
|30V DC|DPDT|10A|5A<br>3A<br>0.3A<br>0.2A<br>5A<br>3A<br>5A<br>3A||30V DC|4PDT|3A|1.5A|
||4PDT|6A|||110V DC|4PDT|–|–|
|110V DC|DPDT|0.6A|||120V DC|4PDT|3A|0.8A|
||4PDT|0.4A|||250V DC|4PDT|3A|0.8A|
|120V AC|DPDT|10A|||||||
||4PDT|6A|||||||
|240V AC|DPDT|10A|||||||
||4PDT|6A|||||||



_**www.idec.com**_ 

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

_**E-9**_ 

_**Relays**_ 

RU Series 

## **Internal Circuit*** 

## **RU2S Standard                                RU2S-D with Diode                                       RU4S/RU42S Standard                RU4S-D/RU42S-D with Diode** 

**E** 

**==> picture [510 x 178] intentionally omitted <==**

**----- Start of picture text -----**<br>
(1)12 (4)42 (1)12 (4)42 (1)12 (2)22 (3)32 (4)42 (1)12 (2)22 (3)32 (4)42<br>(5)14 (8)44 (5)14 (8)44 (5)14 (6)24 (7)34 (8)44 (5)14 (6)24 (7)34 (8)44<br>(9)11 (12)41 (9)11 (12)41 (9)11 (10)21 (11)31 (12)41 (9)11 (10)21 (11)31 (12)41<br>(13)A1 (14)A2    (13)A1 (14)A2    (13)A1 (14)A2    (13)A1 (14)A2<br>Over 24V AC/DC Over 24V DC Over 24V AC/DC Over 24V DC<br>(1)12 (4)42 (1)12 (4)42 (1)12 (2)22 (3)32 (4)42 (1)12 (2)22 (3)32 (4)42<br>(5)14 (8)44 (5)14 (8)44 (5)14 (6)24 (7)34 (8)44 (5)14 (6)24 (7)34 (8)44<br>(9)11 (12)41 (9)11 (12)41 (9)11 (10)21 (11)31 (12)41 (9)11 (10)21 (11)31 (12)41<br>(13)A1 (14)A2    (13)A1 (14)A2    (13)A1 (14)A2    (13)A1 (14)A2<br>24V AC/DC or less 24V DC or less 24V AC/DC or less 24V DC or less<br>Image as viewed from bottom of relay. Refer to socket for exact  Numbers not in parenthesis follow international system<br>wiring layout (Section F) . of labeling terminals.<br>**----- End of picture text -----**<br>


## **Electrical Life Curves** 

## 

**==> picture [514 x 346] intentionally omitted <==**

**----- Start of picture text -----**<br>
RU2 (Resistive Load) RU4 (Resistive Load) RU42 (Resistive Load)<br>1000 AC250V DC30V  DC110V   1000 AC250V DC30V  DC110V   AC250V DC30V  DC110V<br>500<br>500 500<br>100<br>100 100<br>50<br>50 50<br>10<br>10 10<br>1<br>1 1 0.02 0.1 0.5  1  3  6<br>0.1 0.5  1  5  10 0.1 0.5  1  3  6<br>Load Current (A)<br>Load Current (A) Load Current (A)<br>RU2 (Inductive Load) RU4 (Inductive Load) RU42 (Inductive Load)<br>AC250VDC110V DC30V  AC250V DC30V  DC110V   AC250V DC30V<br>1000 1000 DC110V<br>500<br>500 500<br>100<br>100 100<br>50<br>50 50<br>10<br>10 10<br>AC COS =0.3<br>AC COS =0.3 AC COS =0.3 DC L/R=7ms<br>DC L/R=7ms DC L/R=7ms<br>1<br>1 1 0.02 0.1 0.5  1  3  6<br>0.1 0.5  1  5  10 0.1 0.5  1  3 6 Load Current (A)<br>Load Current (A) Load Current (A)<br>(x 10,000 operations)<br>(x 10,000 operations) (x 10,000 operations)<br>(x 10,000 operations) (x 10,000 operations)<br>(x 10,000 operations)<br>**----- End of picture text -----**<br>


_**www.idec.com**_ 

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

_**E-10**_ 

RU Series 

Dimensions are in mm. 

**E** 

## _**Relays**_ 

## **Maximum Switching Capacity** 

**==> picture [328 x 323] intentionally omitted <==**

**----- Start of picture text -----**<br>
RU2 (Maximum Load)<br>AC resistive<br>AC inductive<br>(cos ø = 0.3)<br>10<br>5<br>DC resistive<br>1<br>DC inductive<br>0.1 L/R = 7 ms<br>10 30 100 250500<br>Load Voltage(V)<br>RU4 (Maximum Load)  RU42 (Maximum Load)<br>AC resistive AC resistive<br>AC inductive AC inductive<br>(cos ø = 0.3) (cos ø = 0.3)<br>6 6<br>3 3<br>1 1<br>DC resistive<br>DC resistive<br>DC inductive<br>0.1 DC L/R = 7 msinductive 0.1 L/R = 7 ms<br>10 30 100 250500 10 30 100 250500<br>Load Voltage(V) Load Voltage(V)<br>Load Current (A)<br>Load Current (A) Load Current (A)<br>**----- End of picture text -----**<br>


## **Dimensions & Mounting Hole Layouts** 

**==> picture [212 x 193] intentionally omitted <==**

**----- Start of picture text -----**<br>
RU2<br>Dimensions<br>Marking Plate<br>Removal Slot<br>0.5 2.6<br>1.2 ◊ 2.2 Hole<br>27.5<br>Marking plate removal slot is provided only on one side.<br>Insert a flat screwdriver into the slot to remove the marking plate.<br>35.0<br>6.4<br>4 8 12 14<br>21.0<br>1 5 9 13<br>**----- End of picture text -----**<br>


**==> picture [144 x 163] intentionally omitted <==**

**----- Start of picture text -----**<br>
RU4/RU42<br>Dimensions<br>Marking Plate<br>Removal Slot<br>0.5 2.6<br>1.2 ◊ 2.2 Hole<br>27.5<br>35.0<br>6.4<br>4 8 12 14<br>3 7 11<br>21.0 2 6 10<br>1 5 9 13<br>**----- End of picture text -----**<br>


Marking plate removal slot is provided only on one side. Insert a flat screwdriver into the slot to remove the marking plate. 

Dimensions are in mm. 

_**www.idec.com**_ 

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

_**E-11**_

Updated at June 5, 2026

Founded in 1945, IDEC is a globally recognized leader in industrial automation, machine safety, and control products. Renowned for pioneering innovations in Human-Machine Interface (HMI) systems, the company is dedicated to creating a safe and efficient harmony between advanced workplace technology and human operators. At the core of IDEC’s extensive portfolio is a comprehensive selection of high-performance relays designed for demanding industrial environments. This includes a broad range of electromechanical power relays, solid-state relays, contactors, and critical safety relays, supported by a wide array of specialized relay accessories to ensure reliable and efficient switching. Beyond switching components, IDEC provides complete solutions for modern control panels and automated systems. Their robust engineering extends to advanced panel displays and instrumentation, precision light sensors, and dependable AC/DC power converters. With additional offerings in industrial switches, visual signaling units, and DIN rail terminal blocks, IDEC equips engineers with the high-quality components required to build secure, next-generation automation infrastructure.

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