RU Series

Relays

E-8

www.idec.com

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

E

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

Contact Material

AgSnOIn (silver tin oxide

indium)

AuAg/Ag (gold-silver alloy

on silver)

Contact Resistance

50 m

Ω 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:

Damage limits:

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 Certified

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 flag indica-

tor, marking plate.

2. **Contact IDEC for other voltages.