Datasheet
DC Power Relays Selection Guide 3
DC Power Relays
Selection Guide
OMRON DC Power Relays Interrupt High-capacity DC Loads while Enabling Compact,
Low-noise, Safe Applications
■ List of DC Power Relays
Model G9EA G9EC G9EB
G9EA-1(-B) G9EA-1(-B)-CA G9EC-1(-B) G9EB-1-B
Classification Switching/current
conduction
High-current
conduction
Switching/current
conduction
Switching/current
conduction
Appearance
Features Standard model
Compact, carries/
switches 400-V, 60-A
loads
Carries 100 A
Low contact resistance
when carrying current
Largest capacity in series
Carries/switches 400-V,
200-A loads
Smallest in series
Carries/switches 250-V,
25-A loads
Contacts Contact form SPST-NO
Contact structure Double-break, single
Contact resistance 30 m
Ω max.
(0.6 m
Ω typical)
10 m
Ω max.
(0.3 m
Ω typical)
30 m
Ω max.
(0.2 m
Ω typical)
30 m
Ω max.
Switching voltage drop 0.1 V max.
(for a carry current of
60 A)
0.1 V max.
(for a carry current of
100 A)
0.1 V max.
(for a carry current of 200 A)
0.1 V max.
(for a carry current of
25 A)
Electrical endurance 120 VDC, 100 A, 3,000
operations min.
400 VDC, 30 A, 1,000
operations min.
400 VDC, 200 A, 3,000
operations min.
250 VDC, 25 A, 30,000
operations min.
400 VDC, 60 A, 3,000
operations min.
120 VDC, 30 A, 2,500
operations min.
--- ---
400 VDC, 30 A, 30,000
operations min.
--- --- ---
Maximum switching
current
100 A 30 A 200 A 25 A
Rated carry
current
200
180
160
140
120
100
80
60
40
20
Short-time carry cur-
rent
100 A (10 min) 150 A (10 min) 300 A (15 min) 50 A (5 min), 40 A (10 min)
Maximum interruption
current
600 A at 300 VDC
(5 times)
--- 1,000 A at 400 VDC
(10 times)
100 A at 250 VDC
(5 times)
Overload interruption 180 A at 400 VDC
(100 times min.)
100 A at 120 VDC
(150 times min.)
700 A at 400 VDC
(40 times min.)
50 A at 250 VDC
(50 times min.)
Reverse polarity inter-
ruption
−60 A at 200 VDC
(1,000 times min.)
--- −200 A at 200 VDC
(1,000 times min.)
---
Coil Rated voltage 12, 24, 48, 60, and 100 VDC
Power consumption Approx. 5 to 5.4 W Approx. 11 W Approx. 2 W
Mechanical endurance 200,000 operations min. 100,000 operations min.
G9EA-1-B
12VDC
M
A
D
E
IN
J
A
P
A
N
C
O
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A
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T
:
6
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1
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(
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+
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73
36
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G
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1
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MADE IN JAPAN
CONTACT:
200A 400VDC
Lot No. 1362K
1-0001
2
(-)
1
(+)
98
44
86.7
G
9
E
B
-1
-B
1
2
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D
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M
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:
2
5
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t N
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. 042
4Y
1
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1
2
4
3
1
60
25
58
60 A
100 A
200 A
25 A