• Utilizes a unique gas-filled, fully sealed, non-ceramic construction achieved by using resin with
a metal case. This reduces the need for special processing and materials that were required
with previous models, resulting in a low-cost relay that is both compact and lightweight.
• Smallest and lightest in its class at 25 × 60 × 58 mm and approximately 135 g.
This is approximately half the volume and a third of the weight of other DC Power Relays in
the same class (400 VDC, 25 A).*
• The unique design of the contact switching component and permanent magnet for blowing out
the arc eliminates the need for polarity in the main circuit (contact terminal). This improves
ease of wiring and installation, and contributes to providing failsafe measures against incorrect
wiring.
*
Based on our investigation as of December 2004.
RoHS Compliant
Refer to
"DC Power Relays Common Precautions".
■Model
Number Legend
G 9 E B -@-@-@-@
— — — —
1 2 3 4
1. Number of Poles
1: 1 pole
2. Contact Form
Blank: SPST-NO
3. Coil Terminals
B: M4 screw terminals
4. Special Functions
G
9
E
B
-
1
■List
of Models
Models
Terminals
Coil terminals
Contact terminals
Contact form
Coil rated voltage
12 VDC
24 VDC
48 VDC
60 VDC
100 VDC
Model
Switching/current
conduction models
Screw terminals
Screw terminals
SPST-NO
G9EB-1-B
Note 1. Two M4 screws are provided for the contact terminal connection.
Note 2. Two M4 screws are provided for the coil terminal connection.
■Ratings
●Coil
Item
Rated voltage
12 VDC
24 VDC
48 VDC
60 VDC
100 VDC
Rated current
(mA)
166.7
83.3
41.7
33.3
20
Coil resistance
(Ω)
72
288
1,152
1,800
5,000
75% max. of rated
voltage
10% min. of rated
voltage
130% of rated
volt-age (at 23°C
within 10 minutes)
Approx. 2
Must-operate voltage
(V)
Must-release voltage
(V)
Maximum voltage
(V)
Power consumption
(W)
Note 1. The figures for the rated current and coil resistance are for a coil temperature of 23°C and have a tolerance of
±10%.
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
Rated load
Rated carry current
Maximum switching voltage
Maximum switching current
Resistive load
G9EB-1(-B)
25 A at 250 VDC
25 A
250 V
25 A
1
G9EB-1
■Characteristics
Item
Contact resistance *1
Contact voltage drop
Operate time
Release time
Insulation
resistance *2
Dielectric
strength
Between coil and contacts
Between coil and contacts
Model
30 mΩ max.
0.1 V max. (for a carry current of 25 A)
30 ms max.
15 ms max.
1,000 MΩ min.
2,500 VAC, 1 min
4,500 V
10 to 55 to 10 Hz, 0.75-mm single amplitude
(Acceleration: 2.94 to 88.9 m/s
2
)
10 to 55 to 10 Hz, 0.75-mm single amplitude
(Acceleration: 2.94 to 88.9 m/s
2
)
490 m/s
2
100 m/s
2
100,000 operations min.
250 VDC, 25 A, 30,000 ops. min.
50 A (5 min), 40 A (10 min)
100 A at 250 VDC (5 times)
50 A at 250 VDC (50 times min.)
−40
to 70°C (with no icing or condensation)
5% to 85% RH
Approx. 135 g
Between contacts of the same polarity
1,000 MΩ min.
Between contacts of the same polarity
2,500 VAC, 1 min
G9EB-1(-B)
DC Power Relays (25-A Models)
Impulse withstand voltage *3
Vibration
resistance
Shock
resistance
Destruction
Malfunction
Destruction
Malfunction
Mechanical endurance *4
Electrical endurance (resistive load) *5 *6
Short-time carry current
Maximum interruption current *6
Overload interruption *6
Ambient operating temperature
Ambient operating humidity
Weight (including accessories)
G
9
E
B
-
1
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. The insulation resistance was measured with a 500-VDC megohmmeter.
*3. The impulse withstand voltage was measured with a JEC-212 (1981) standard impulse voltage waveform (1.2 × 50
μs).
*4. The mechanical endurance was measured at a switching frequency of 3,600 operations/hr.
*5. The electrical endurance was measured at a switching frequency of 60 operations/hr.
*6. These values are for when a varistor is used as the protective circuit against reverse surge in the relay coil.
Using a diode will reduce theswitching characteristics.
2
G9EB-1
■Engineering
Data
G9EB-1-B Switching/Current Conduction Models
DC Power Relays (25-A Models)
●
Maximum Switching Capacity
Switching current (A)
100
50
30
●
Electrical Endurance (Switching
Performance)
Operations (x 10,000)
●
Electrical Endurance (Interruption
Performance)
Operations
1,000
500
300
100
50
30
Switching 250-VDC
resistive load
DC resistive load
10
5
100
50
30
Interrupting 250-VDC
resistive load
10
3
5
3
1
0.5
0.3
10
5
3
1
10
30
50
100
300 500 1,000
Switching voltage (V)
0.1
10
30
50
100
300 500 1,000
Switching current (A)
1
10
30
50
100
300 500 1,000
Switching current (A)
●
Carry Current vs Energizing Time
Energizing time (s)
100,000
50,000
30,000
●
Must-operate Voltage and
Must-release Voltage Distributions
Number of Relays
30
Sample: G9EB-1-B 12 VDC
Number: 50
Must-operate voltage
Must-release voltage
●
Time Characteristic Distributions
Number of contacts
60
Sample: G9EB-1-B 12 VDC
Number: 50
Operate time
Release time
25
50
10,000
5,000
3,000
20
40
15
30
1,000
500
300
100
10
30
50
100
300 500 1,000
Carry current (A)
10
20
5
10
G
9
E
B
4
8
12
16
20
Time (ms)
0
10
20
30
40
50
60
Percentage of rated voltage (%)
0
●
Vibration Malfunction
Single amplitude (mm)
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1
3
5
10
30
50
100
Frequency (Hz)
Confirmed area
Sample: G9EB-1-B 12 VDC
Number: 5
Unconfirmed area
●
Vibration Resistances
Rate of change (%)
5.0
4.0
3.0
2.0
1.0
Must-release voltage
0.0
Must-operate voltage
−1.0
−2.0
−3.0
−4.0
−5.0
Start
After test
Characteristics were measured after applying vibration
at a frequency of 10 to 55 Hz (single amplitude of
0.75 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.
Sample: G9EB-1-B 12 VDC
Number: 5
●
Shock Malfunction
Unit:
m/s
2
Sample: G9EB-1-B
12 VDC
Number: 5
X
1
●
Shock Resistance
Rate of change (%)
Z’
Z
X
5.0
4.0
3.0
2.0
1.0
0.0
Y
1-B
NTA VD
B-
CO 250
01
25A
G9E C
AN
4Y1-00
VD
12
IN JAP
042
MA
DE
2
CT:C
Lot
No.
3
200
4
Sample: G9EB-1-B 12 VDC
Number: 5
150
100
50
0
50
Z’
100
150
200
Y’
Y’
Y X’
Z
Deenergized
Energized
Must-operate voltage
Must-release voltage
−1.0
−2.0
X’
−3.0
−4.0
−5.0
Start
After test
Characteristics were measured after applying a shock
of 490 m
2
/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.
The value at which malfunction occurred was
measured after applying shock to the test piece
3 times each in 6 directions along 3 axes.
3
-
1
G9EB-1
■Dimensions
(Unit: mm)
●
Screw Terminal Type
G9EB-1-B
Two, 4.5 dia.
50
(Mounting hole
dimensions)
1.2
DC Power Relays (25-A Models)
Terminal Arrangement/
Internal Connections
(TOP VIEW)
2
4
1
3
1
B
-1-
EB
G9VDC
N
2
E IN JAPA
t No. 0
1
AD
Lo
M
2
T:
AC
NT DC
CO 250V
A
25
01
-00
Y1
4
42
13
(Mounting hole dimensions)
2-M4
2-M4
49.2
(Coil M4 screw
dimensions)
40
18
12.6
(Coil M4 screw
dimensions)
3
4
Mounting Hole Dimensions
(TOP VIEW)
Two, M4 or 4.8-dia. holes
2
1
G9EB-1-B
12VDC
CONTACT:
25A 250VDC
MADE IN JAPAN
Lot No. 0424Y1-0001
Dimension (mm)
10 or lower
10 to 50
50 or higher
Tolerance (mm)
±0.3
±0.5
±1
18.7
8
25
4
3
52
58
50
±0.1
60
13
±0.1
G
9
E
B
-
1
•
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.
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