Omron-Electronics-G9EJ-1-E-UVDDC12

Part #	Omron-Electronics-G9EJ-1-E-UVDDC12
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DC Power Relays

G9EJ-1-E

Compact DC Power Relays Capable of

Switching 400 V 15 A DC loads

• Actualize a high capacity interruption through the function of

extinction of magnetic arc by adopting high-efficiency magnetic circuit.

• Actualize improvement of inrush-withstand performance and a

long-life by adopting Omron’s own contact driving system.

• Actualize the power saving.

• Small and lightweight type.

Size: H31 mm × W27 mm × L44 mm, Weight: approx. 45 g

RoHS Compliant

Refer to the

Precautions

on page 5.

Model Number Structure

1. Number of Poles

4. Classification

G9EJ-@-@-@

–

— — — — —

1: 1 pole

E: High capacity

2 3 4 5

2. Contact Form

5. Approved standards

Blank: SPST-NO

UVD: UL, CSA, VDE approved standard type

3. Terminal Form

Blank: Tab terminals (#25ꢀ terminals)

P: PCB terminals

Ordering Information

rminals

Minimum packing unit

(quantity)

Models

Contact form

Contact terminals

Rated coil voltage

Model

Coil terminals

12 VDC

24 VDC

12 VDC

24 VDC

b terminals

#25ꢀ

b terminals

#25ꢀ

G9EJ-1-E-UVD

G9EJ-1-P-E-UVD

Switching/current

conduction models

SPS

–

1ꢀ

PCB terminals

Ratings

●

Coil

Rated voltage

Rated current

Coil resistance

Must-operate voltage

Must-release voltage

50 min. of rated voltage

Maximum voltage (See note 3)

Power consumption

12 VDC

24 VDC

1ꢀꢀ mA

5ꢀ mA

12ꢀ

Ω

48ꢀ

Ω

6ꢀ0 max. of rated

voltage

13ꢀ0 of rated voltage

Approx. 1.2 W

(at 23°C within 1ꢀ minutes)

Note: 1.

The figures for the rated current and coil resistance are for a coil temperature of 23°C and have a tolerance of

1ꢀ0.

Note: 2.

The figures for the operating characteristics are for a coil temperature of 23°C .

Note: 3.

The figure for the maximum voltage is the maximum voltage that can be applied to the relay coil.

●

Contacts

Item

Resistive load

15 A at 4ꢀꢀ VDC

15 A

Rated load

Rated carry current

Maximum switching voltage

Maximum switching current

4ꢀꢀ V

15 A

G9EJ-1-E

DC Power Relays

Characteristics

Item

G9EJ-1(-P)-E-UVD

Contact resistance *1

Contact voltage drop

Operate time *2

1ꢀꢀ m

Ω

max.

ꢀ.2 V max. (for a carry current of 15 A)

5ꢀ ms max.

Release time *2

3ꢀ ms max.

Between coil and contacts

1,ꢀꢀꢀ M

Ω

min.

Insulation resistance *3

Dielectric strength

Between contacts of the same polarity

1,ꢀꢀꢀ M

Ω

min.

Between coil and contacts

2,5ꢀꢀ VAC 1 min

Between contacts of the same polarity

2,5ꢀꢀ VAC 1 min

Impulse withstand voltage *4

4,5ꢀꢀ V

1ꢀ to 55 to 1ꢀHz, ꢀ.75 mm single amplitude

(Acceleration: 2.94 to 88.9 m/s

)

Destruction

Vibration resistance

Shock resistance

1ꢀ to 55 to 1ꢀHz, ꢀ.75 mm single amplitude

Malfunction

Destruction

Malfunction

(Acceleration: 2.94 to 88.9 m/s

)

49ꢀ m/s

98 m/s

Energized

Deenergized

Mechanical endurance *5

Electrical endurance *6

Electrical endurance (condenser load) *6

Short-time carry current

Overload switching

Maximum interruption current

Reverse polarity interruption

Ambient operating temperature

Ambient operating humidity

Weight

2ꢀꢀ,ꢀꢀꢀ ops. min.

4ꢀꢀ VDC, 15 A, 1ꢀ,ꢀꢀꢀ ops. min.

4ꢀꢀ VDC, 25 A, 1ꢀꢀ,ꢀꢀꢀ ops. min.

3ꢀ A (2ꢀ sec.)

4ꢀꢀ VDC, 3ꢀA, 1ꢀꢀ ops. min.

5ꢀ A at 4ꢀꢀ VDC (5 times)

–15 A at 4ꢀꢀ VDC (1,ꢀꢀꢀ times min.)

–4ꢀ to 7ꢀ°C (with no icing or condensation)

50 to 850

Approx. 45 g

Note: The above values are initial values at an ambient temperature of 23°C unless otherwise specified.

*1. The

contact resistance was measured with 1 A at 5 VDC using the voltage drop method.

*2. Measurement

conditions: With rated operating voltage applied (without diode), not including contact bounce.

*3. The

insulation resistance was measured with a 5ꢀꢀ VDC megohmmeter.

*4. The

impulse withstand voltage was measured with a JEC-212 (1981) standard impulse voltage waveform (1.2 × 5ꢀ µs).

*5. The

mechanical endurance was measured at a switching frequency of 3,6ꢀꢀ operations/hr.

*6. The

electrical endurance was measured at a switching frequency of 6ꢀ operations/hr.

Engineering Data

●

Maximum Switching Capacity

●

Electrical Endurance

(Switching Performance)

●

Electrical Endurance

(Interruption Performance)

1ꢀ,ꢀꢀꢀ

5,ꢀꢀꢀ

3,ꢀꢀꢀ

1ꢀ,ꢀꢀꢀ

5,ꢀꢀꢀ

3,ꢀꢀꢀ

1,ꢀꢀꢀ

5ꢀꢀ

3ꢀꢀ

1,ꢀꢀꢀ

5ꢀꢀ

3ꢀꢀ

5ꢀꢀ

3ꢀꢀ

1ꢀꢀ

DC resistive load

5ꢀ

3ꢀ

Switching 4ꢀꢀ-VDC resistive

1ꢀꢀ

load (positive direction)

5ꢀ

3ꢀ

1ꢀ

Interrupting 4ꢀꢀ-VDC resistive

1ꢀ

load (positive direction)

1ꢀ

3ꢀ

5ꢀ

1ꢀꢀ

3ꢀꢀ 5ꢀꢀ

1,ꢀꢀꢀ

Switching voltage (V)

1ꢀ

3ꢀ

5ꢀ

1ꢀꢀ

1ꢀ

3ꢀ

5ꢀ

1ꢀꢀ

Switching current (A)

●

Carry Current vs. Energizing Time

●

Must-operate

ltage and Must-

release

ltage Distributions

(Number of Relays × Percentage of

Rated Voltage)

●

Time Characteristic Distributions

(Number of Contacts × Time (ms))

1ꢀꢀ,ꢀꢀꢀ

Must-operate voltage

Operate time

Must-release voltage

3ꢀ

Release time

3ꢀ

1ꢀ,ꢀꢀꢀ

1,ꢀꢀꢀ

1ꢀꢀ

Number: 64

2ꢀ

1ꢀ

2ꢀ

1ꢀ

ꢀ

2ꢀ

4ꢀ

6ꢀ

8ꢀ

1ꢀꢀ

1ꢀ

2ꢀ

1ꢀ

3ꢀ

5ꢀ

1ꢀꢀ

Percentage of rated voltage (0)

Time (ms)

Switching current (A)

G9EJ-1-E

DC Power Relays

●

Vibration Malfunction

●

Vibration Resistance

●

Shock Resistance

1ꢀ.ꢀ

Must-operate voltage

Must-release voltage

Must-operate voltage

Must-release voltage

Number: 5

ꢀ.9

8.ꢀ

6.ꢀ

8.ꢀ

Unconfirmed area

ꢀ.8

ꢀ.7

ꢀ.6

ꢀ.5

ꢀ.4

ꢀ.3

ꢀ.2

6.ꢀ

4.ꢀ

2.ꢀ

ꢀ.ꢀ

−2.ꢀ

−4.ꢀ

−6.ꢀ

−2.ꢀ

−4.ꢀ

−6.ꢀ

Confirmed area

Number: 5

ꢀ.1

ꢀ

−8.ꢀ

−1ꢀ.ꢀ

1ꢀ

3ꢀ

5ꢀ 1ꢀꢀ

Start

After test

Start

After test

Frequency (Hz)

Characteristics were measured after applying vibration

at a frequency of 1ꢀ to 55 Hz (single amplitude of ꢀ.75

mm) to the test piece (not energized)

for 2 hours each

in 3 directions. The percentage rate of change is the

average value for all of the samples

Characteristics were measured after applying a shock

of 49ꢀ m/s

to the test piece 3 times each in 6 directions

along 3 axes.

The percentage rate of change is the average value for

all of the samples.

●

Shock Malfunction

5ꢀꢀ

X´

4ꢀꢀ

3ꢀꢀ

2ꢀꢀ

1ꢀꢀ

ꢀ

1ꢀꢀ

Deenergized

ꢀ

Unit: m/s

Sample: G9EJ-1-E-UVD

Number: 5

Unit: m/s

Sample: G9EJ-1-P-E-UVD

Number: 5

Energized

The value at which malfunction occurred was

measured after applying shock to the test piece

3 times each in 6 directions along 3 axes.

The value at which malfunction occurred was

measured after applying shock to the test piece

3 times each in 6 directions along 3 axes.

G9EJ-1-E

DC Power Relays

Dimensions

(Unit: mm)

Mounting Hole Dimensions

(TOP VIEW)

G9EJ-1-E-UVD

2ꢀ.9

8.5

ꢀ.8

15.5

ꢀ.8

2 (−)

(+)1

27 15.4

8 3.5

Note: Be

sure to connect terminals

with the correct polarity.

Coils do not have polarity.

Mounting Hole Dimensions

6.3

ꢀ.8

6.3

Connecting terminals

(#25ꢀ tab)

Two, M3 or 3.5-dia. holes

Dimension (mm)

lerance (mm)

1ꢀ or lower

1ꢀ to 5ꢀ

ꢀ.3

ꢀ.5

3ꢀ

ꢀ.1

4ꢀ

Mounting Hole Dimensions

(TOP VIEW)

G9EJ-1-P-E-UVD

3ꢀ

32.2

2 (−)

(+)1

Note: Be

sure to connect terminals

with the correct polarity.

1.2

ꢀ.8

1.2

Coils do not have polarity.

1.2

6.3

Mounting Hole Dimensions

Relay Mounted on PCB (Reference Information)

Six,

1.7

+ꢀ.1

dia.

ꢀ

(3.25)

5.1

ꢀ.1

ꢀ.8

15.5

ꢀ.8

Dimension (mm)

lerance (mm)

1ꢀ or lower

1ꢀ to 5ꢀ

ꢀ.3

ꢀ.5

15.4

ꢀ.1

16.3

ꢀ.1

(32.5)

(5.35)

8.5

(3.1)

2ꢀ.9

ꢀ.1

(7)

2ꢀ.9

Approved standards

UL Recognized:

File No.E41515

CSA Certified:

File No.LR31928

VDE Certified:

File No.40037110

Model

Coil ratings

Contact ratings

Pollution level

Model

Coil ratings

Contact ratings

Pollution level

G9EJ-1(-P)-E-UVD

12 V, 24 V

15 A, 5ꢀꢀ VDC (Resistive)

G9EJ-1(-P)-E-UVD

12 V, 24 V

15 A, 5ꢀꢀ VDC (Resistive)

G9EJ-1-E

DC Power Relays

Precautions

WARNING

ke measures to prevent contact with charged parts

when using the Relay for high voltages.

Precautions for Correct Use

Refer to the relevant catalog for common precautions.

1. The

G9EJ Relays’ contacts have polarit

o not use the Relay in locations where water, solvents,

chemicals, or oil may come in contact with the case or termi-

nals. Doing so may result in deterioration of the case resin or

abnormal heating due to corrosion or contamination of the

terminals. Also, if electrolyte adheres to the output terminals,

electrolysis may occur between the output terminals, result-

ing in corrosion of the terminals or wiring disconnections.

e sure to turn OFF the power and confirm that there is no

residual voltage before replacing the Relay or performing wir-

ing.

he distance between crimp terminals or other conductive

parts will be reduced and insulation properties will be lowered

if wires are laid in the same direction from the contact termi-

nals. Use insulating coverings, do not wire in the same direc-

tion, and take other measures as required to maintain

insulation properties.

Be sure to perform connections with the correct polarit

If the contacts are connected with the reverse polarit

switching characteristics specified in this document cannot be

assured.

2. Do not drop or disassemble this Rela

ot only may the

Relay fail to meet the performance specifications, it may also

result in damage, electric shock, or burning.

3. Do

not use these Relays in strong magnetic fields of 8ꢀꢀ A/m

or higher (e.g., near transformers or magnets). The arc dis-

charge that occurs during switching may be bent by the mag-

netic field, resulting in flashover or insulation faults.

4. This

Relay is a device for switching high DC voltages. If it is

used for voltages exceeding the specified range, it may not

be possible to interrupt the load and burning may result. In

order to prevent fire spreading, use a configuration in which

the current load can be interrupted in the event of emergen-

cies.

se either a varistor, or a diode plus Zener diode as a protec-

tive circuit against reverse surge in the relay coil. Using a

diode alone will reduce the switching characteristics.

se two M3 screws to mount a Relay with tab terminals. (The

tightening torque is ꢀ.98 N·m.)

In order to ensure safety of the system, replace the Relay on

a regular basis.

5. If

the Relay is used for no-load and/or minute load switching,

the contact resistance may increase and so confirm correct

operation under the actual operating conditions.

anually mount Relays with PCB

rminals. Do not use auto-

matic soldering for them.

Do not bend the terminals to secure the Relay to the PCB.

elay with PCB

rminals weighs approximately 45 g.

Be sure that the PCB is strong enough to support it.

or the PCBs, we recommend dual-side through-hole PCBs

to reduce solder cracking from heat stress.

he coil terminals (A in the figure) and contact terminals (B in

the figure) on Relays with PCB terminals have charged metal

parts. Also, the shaded part in the following diagram may also

be charged. When you use the Rela

ake sure that there is

no metal pattern on the corresponding part of the PCB.

6. With

this Rela

f the rated voltage (or current) is continu-

ously applied to the coil and contacts, and then turned OFF

and immediately ON again, the coil temperature, and conse-

quently the coil resistance, will be higher than usual. This

means that the must operate voltage will also be higher than

usual, exceeding the rated value (“hot start”). In this case,

take the appropriate countermeasures, such as reducing the

load current or restricting the energizing time or ambient

operating temperature.

7. The

ripple percentage for DC relays can cause fluctuations in

the must-operate voltage or humming. For this reason,

reduce the ripple percentage in full-wave rectified power sup-

ply circuits by adding a smoothing capacitor. Ensure that the

ripple percentage is less than 50.

8. Ensure

that a voltage exceeding the specified maximum volt-

age is not continuously applied to the coil. Abnormal heating

in the coil may shorten the lifetime of the insulation coating.

9. Do

not use the Relay at a switching voltage or current greater

than the specified maximum values. Doing so may result in

arc discharge interruption failure or burning due to abnormal

heating in the contacts.

Detail of Area A

Detail of Area B

(1)

1.2

6.3

1ꢀ

he contact ratings are for resistive loads. The electrical

endurance with inductive loads is inferior to that of resistive

loads. Confirm correct operation under the actual operating

conditions.

Charged metal part

•

Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product.

•

Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad

systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious

influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or

equipment, and be sure to provide the system or equipment with double safety mechanisms.

Note: Do not use this document to operate the Unit.

OMRON Corporation

Electronic and Mechanical Components Company

Contact: www.omron.com/ecb

Cat. No. J195-E1-05

1215 (ꢀ114) (O)

Omron-Electronics-G9EJ-1-E-UVDDC12

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