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Omron

G4A Datasheet Preview

G4A Datasheet

PCB Power Relay

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G4A
PCB Power Relay
Miniature Single-pole Relay with
80A Surge Current and 20A
Switching Current
• Capable of Switching Motor Load of 80-A Surge Current and 20A
Switching/Cut-off Current
• Miniature, relay with high switching power and long endurance.
• Creepage distance conforms to UL and CSA standards.
• Highly noise-resistive insulation materials employed.
• Standard model available with flux protection construction.
RoHS Compliant
Model Number Legend
G4A-@@-@-@
—— — —
12 3 4
1. Number of Poles
1: 1-pole
2. Contact Form
A: SPST-NO (1a)
3. Terminal Shape
None : #250 quick-connect/
PCB coil terminals
P : PCB terminals/
PCB coil terminals
4. Special Function
E: For long endurance
Ordering Information
Quick-connect/PCB coil terminals
Contact form Load Contact Terminal Coil terminal
SPST-NO
(1a)
#250 quick-connect
terminals
PCB terminals
Model
G4A-1A-E
Rated voltage
Minimum
packing unit
12, 24 VDC 50 pcs/tray
PCB terminals
Contact form Load Contact Terminal Coil terminal
SPST-NO
(1a)
PCB terminals
PCB terminals
Model
G4A-1A-PE
Rated voltage
Minimum
packing unit
12, 24 VDC 50 pcs/tray
Note. When ordering, add the rated coil voltage to the model number.
Example: G4A-1A-E DC12
Rated coil voltage
However, the notation of the coil voltage on the product case as well as on the packing will be marked
as @@ VDC.
Ratings
Coil
Item
Rated voltage
12 VDC
24 VDC
Rated
current
(mA)
75
37.5
Coil
resistance
(Ω)
160
640
Must operate voltage
(V)
Must release voltage
(V)
% of rated voltage
Max. permissible voltage
(V)
Power
consumption
(W)
70% max.
10% min.
160%
(at 23°C)
0.9
Note 1. The rated current and coil resistance are
measured at a coil temperature of 23°C
with a tolerance of ±10%.
2. The inductances shown above are
reference values.
3. Operating characteristics are measured at
a coil temperature of 23°C.
4. Max. permissible voltage refers to the
maximum value in a varying range of
operating power voltage, not a continuous
voltage.
Motor Ratings
Load conditions
250 VAC:
Inrush current: 80 A,
0.3 s (cosφ= 0.7)
Break current: 20 A
(cosφ = 0.9)
Switching
frequency
ON: 1.5 s
OFF: 1.5 s
Inverter Ratings
Electrical
durability
200,000
operations
Contacts
Item
Load
Resistive load
Contact type
Single
Contact material
Ag-Alloy (Cd free)
Rated load
20 A at 250 VAC
Rated carry current
20 A
Max. switching voltage 250 VAC
Max. switching current 20 A
Load conditions
100 VAC:
Inrush current:
200 A (0.P)
Break current: 20 A
Switching
frequency
ON: 3 s
OFF: 5 s
Electrical
durability
30,000
operations
Overload Durability (Reference Value)
Load conditions
250 VAC:
Inrush current: 80 A
Break current: 80 A
(cosφ = 0.7)
Switching
frequency
ON: 1.5 s
OFF: 99 s
Electrical
durability
1,500
operations
Application Examples
• Air conditioner
Characteristics
G
4
A
Contact resistance *1
Operate time
Release time
Max.
operating Mechanical
frequency
Insulation resistance *2
Dielectric
strength
Between coil
and contacts
Between
contacts of
the same
polarity
100 mΩ max.
20 ms max.
10 ms max.
18,000 operations/hr
1,000 MΩ min.
4,500 VAC 50/60 Hz for
1 min
1,000 VAC 50/60 Hz for
1 min
Impulse
withstand
voltage
Insulation
distance
Between coil
and contacts
Between coil
and contacts
Vibration
resistance
Destruction
Malfunction
Shock
Destruction
resistance Malfunction
Mechanical
Durability
Resistive
load
Motor load
Inverter load
Failure rate (P level)
(reference value *3)
Ambient operating
temperature
Ambient operating humidity
Weight
8.5 kV (1.2 x 50 μs)
Clearance: 3.2 mm,
Creepage: 6.4 mm
10 to 55 to 10 Hz,
0.75 mm single amplitude
(1.5 mm double amplitude)
10 to 55 to 10 Hz,
0.75 mm single amplitude
(1.5 mm double amplitude)
1,000 m/s2
200 m/s2
2,000,000 operations min.
(at 18,000 operations/hr)
100,000 operations min.
(ON/OFF: 1 s)
200,000 operations min.
(ON/OFF: 1.5 s)
30,000 operations min.
(ON: 3 s, OFF: 5 s)
100 mA at 5 VDC
-20°C to 60°C (with no icing
or condensation)
5% to 85%
Approx. 23 g
Note. The data given above are initial values.
*1. Measurement conditions: 5 VDC, 1 A, voltage
drop method.
*2. Measurement conditions: The insulation
resistance was measured with a 500 VDC
megohmmeter at the same locations as the
dielectric strength was measured.
*3. This value was measured at a switching
frequency of 120 operations/min.
1




Omron

G4A Datasheet Preview

G4A Datasheet

PCB Power Relay

No Preview Available !

G4A
PCB Power Relay
Engineering Data
Maximum Switching Capacity
G4A-1A-(P)E
100
70
50
30
AC load
10
7
5
3
1
1
3 5 10
30 50 100 300 500 1,000
Switching voltage (V)
Ambient Temperature vs. Must
Operate and Must Release Voltages
G4A-1A-(P)E
100
Sample:
G4A-1A-E DC12V
Number of Relays: 5 pcs
80
Must Operating voltage
Must Recovery voltage
G
4
A 60
40
20
0
-60 -40 -20 0 20 40 60 80 100
Ambient temperature (°C)
Durability
G4A-1A-(P)E
100
90
80
70
250 VAC resistive load
60
50
40
30
20
10
0 5 10 15 20 25
Switching current (A)
Shock Malfunction
G4A-1A-(P)E
Number of Relays: 5 pcs
Y 1,000
1,000
X
800
600
1,000
Z'
400
200
Z
1,000
contact A
200
400
600
800
1,000
Y'
X'
1,000
Shock direction
X
X'
Y
Unit: m/s2
Y'
Z
Z'
Ambient Temperature vs.
Maximum Coil Voltage
G4A-1A-(P)E
180
160
140
120
100
80
0
-25 0 10 20 30 40 50 60 70 80
Ambient temperature (°C)
Note. The maximum coil voltage is the maximum
voltage that can be applied to the relay coil.
Test conditions: Shock is applied in ±X, ±Y, ±Z
directions three times each with
and without energizing the Relays
to check the number of
malfunctions.
Requirement: 200 m/s2
Dimensions
#250 quick-connect/PCB coil terminals
G4A-1A-E
0.8 0.8
8
2 3.4
0.3
1.5
1
3.5
Straight PCB/PCB coil terminals
G4A-1A-PE
0.3
1.5
1
3.5
30.5 max.
(30.1)*
16 max.
(15.7)*
6.35
23.5 max.
(23.3)*
1.5
0.8 * Average value
Mounting Holes
(Bottom View)
Four, 1.8+00.1 dia.
6.25±0.1
5.75±0.1
12±0.05
22±0.1
27.6±0.1
Terminal Arrangement/Internal Connections
(Top View) (Bottom View)
43
3
1
4
2
Tab Terminal
PCB Terminal
(No coil polarity)
30.5 max.
(30.1)*
9.4
16 max.
(15.7)*
26.8 max.
23.3 (26.5)*
PCB Mounting Holes
(Bottom View)
Four, 1.8+00.1 dia.
6.25±0.1
5.75±0.1
12±0.05
22±0.1
27.6±0.1
Terminal Arrangement/
Internal Connections
(Bottom View)
43
1.5
0.8 * Average value
12
(No coil polarity)
2


Part Number G4A
Description PCB Power Relay
Maker Omron
Total Page 4 Pages
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