Mounting type Contact form Construction Part number
PCB SPST-NO Open frame
G8P-1AP
Sealed with ventable nib
G8P-1A4P
SPDT Open frame
G8P-1CP
Sealed with ventable nib
G8P-1C4P
SPST-NO Open frame
G8P-1ATP
Sealed with ventable nib
G8P-1A4TP
SPDT Open frame
G8P-1CTP
Sealed with ventable nib
G8P-1C4TP
SPST-NO Vented
G8P-1A2T-F
SPDT Vented
G8P-1C2T-F
■Up to 30 A switching capacity in compact
package
■Available with quick-connect terminals for
easy load connecting
■UL Class F coil insulation standard
■Complies with UL 873 and UL 508 column A
spacings up to 300 V
■Minimum 6kV Impulse Surge Withstand
■Ideal for home and industrial appliances,
HVAC (heating, ventilating, and air condi-
tioning), and many other applications
■UL/CSA approvals, VDE pending
Power PCB Relay G8P
Ordering Information
To Order: Select the part number and add the desired coil voltage rating, (e.g., G8P-1A4P-
DC12
).
Specifications
■CONTACT DATA
Type SPST-NO SPDT
Rated load 30 A at 250 VAC, 20 A at 28 VDC 20/10 A* at 250 VAC, 20/10 A at 28 VDC
Contact material AgCdO
Carry current 30 A 20/10 A*
Max. operating voltage 250 VAC, 28 VDC
Max. operating current AC 30 A, DC 20 A AC 20/10 A, DC 20/10 A*
Max. switching capacity 7,500 VA, 560 W 5,000/2,500 VA, 560/280 W*
Min. permissible load DC 5 V, 500 mA
* NO contact/NC contact
Flange mount Quick
Connect terminals
PCB & Quick Connect
load terminals
Note: Load terminals are .250" Quick Connect. Coil terminals on Flange Mount versions are .187" Quick Connect.
2
G8P G8P
■COIL DATA
Rated Rated Coil Pick-up Dropout Maximum Power
voltage current resistance voltage voltage voltage consumption
(VDC) (mA) (Ω)% of rated voltage (mW)
5 185 27 75% max. 10% min. 120% max. Approx. 900
993 97
12 77 155
24 36 660
48 19 2480
110 9 12400
Note: The rated current and coil resistance are measured at a coil temperature of 23°C (73°F) with tolerances of ±10%.
Contact resistance 100 mΩ max. (measured with 5 VDC, 1 A)
Operate time 15 ms max.
Release time 10 ms max.
Insulation resistance 10 MΩ min. (at 500 VDC)
Dielectric strength 2,500 VAC, 50/60 Hz for 1 minute (coil to contacts),
1,500 VAC, 50/60 Hz for 1 minute (between contacts)
Impulse surge withstand 6,000 V between coil to contacts (1.2 µs/50 µs & 100 kHz ring wave per IEC 1000-4-12)
Vibration Mechanical durability 10 to 55 Hz, 1.65 mm (0.06 in) double amplitude for 2 hours
Malfunction durability 10 to 55 Hz, 1.65 mm (0.06 in) double amplitude for 5 minutes
Shock Mechanical durability 1,000 m/s2 (approx. 100 G)
Malfunction durability 100 m/s2 (approx. 10 G)
Ambient temperature -55° to 105°C (-67° to 221°F)
Humidity 45% to 85% RH
Service life Mechanical 10 million operations minimum
Electrical 100,000 operations at rated load (minimum)
■CHARACTERISTICS
Note: Data shown are of initial value. Operate and release times excluding bounce.
■CHARACTERISTIC DATA
Maximum switching capacity
SPST-NO SPDT
Rated operating current (A)
Rated operating current (A)
Rated operating voltage (V) Rated operating voltage (V)
3
G8P G8P
■CHARACTERISTIC DATA
Electrical service life
SPST-NO SPDT
Service life (x10
3
operations)
Service life (x10
3
operations)
Load current (A) Load current (A)
Dimensions
Unit: mm (inch)
Open frame, PCB terminals
■RELAYS
Max. 24 (0.94)
Typ. 23.5 (0.93)
Max. 10.9 (0.43)
Typ. 10.4 (0.41)
Max. 28.5 (1.12)
Typ. 28 (1.10)
12.8
(0.50)
2.5 (0.10)
Max. 17.4
(0.69)
Typ. 16.9
(0.67)
7.6
(0.30)
17.8
(0.70)
10.2
(0.40)
4.4 ±0.5
(0.17 ±0.020)
3.8
(0.15)
3.8
(0.15)
10.2
(0.40)
2
6
5
34*
2.54
(0.10)
3.8
(0.15)
3.8
(0.15)
2.54
(0.10) 15.3
(0.60) 7.6
(0.30)
2.5 (0.10)
1.4
(0.06)
4
(0.16)
1.7
(0.07)
Two 1.1 ±0.1 dia. holes
(0.043 ±0.004) Three 2.1 ±0.2 dia. holes
(0.08 ±0.008)
3.5
(0.14)
Terminal arrangement/
Internal connections
(Bottom view)
Mounting holes
(Bottom view)
*Note: Terminal #4 is omitted
on SPST-NO version.
4
G8P G8P
Unit: mm (inch)
Open frame, PCB with Quick Connect terminals
Max. 24 (0.94)
Typ. 23.5 (0.93)
9.8
(0.39)
3.5
(0.14)
Max. 10.9 (0.43)
Typ. 10.4 (0.41)
Sealed, PCB terminals
0.4
(0.015)
Max. 18.5 (0.73)
Typ. 18 (0.71)
Terminal arrangement/
Internal connections
(Bottom view)
Mounting holes
(Bottom view)
Max. 20.9
(0.82)
Typ. 20.4
(0.80)
Max. 5.7
(0.22)
Typ. 5.2
(0.20)
Max. 32.1 (1.26)
Typ. 31.6 (1.24)
Max. 20.1
(0.79)
Typ. 19.6
(0.77)
Max. 14.1 (0.56)
Typ. 13.6 (0.54)
12.8
(0.50)
7.6
(0.30)
2.5 (0.10)
3.8
(0.15)
10.2
(0.40) 3.8
(0.15)
5.5
(0.22)
2
34*
5
6
Two 1.1 ±0.1 dia. holes
(0.043 ±0.004 dia.)
Three 2.1 ±0.2 dia. holes
(0.083 ±0.008 dia.)
3.8 (0.15)
3.8 (0.15)
10.2
(0.40)
3.8
(0.15)
2.54
(0.10)
2.54
(0.10) 15.3
(0.60)
2.5 (0.10)
7.6
(0.30) 3.2
(0.13)
5.6
(0.22)
Terminal arrangement/
Internal connections
(Bottom view)
Mounting holes
(Bottom view)
Max. 28.5 (1.12)
Typ. 28 (1.10)
6
5
4*
3
2
.250" Quick Connect
terminals
Max. 17.4
(0.69)
Typ. 16.9
(0.67)
4.4 ±0.5
(0.17 ±0.020)
12.8
(0.50)
2.5 (0.10)
7.6
(0.30)
3.8
(0.15)
3.8
(0.15)
17.8
(0.70)
10.2
(0.40)
Two 1.1 ±0.1 dia. holes
(0.043 ±0.004 dia.)
Three 2.1 ±0.2 dia. holes
(0.083 ±0.008 dia.)
3.8
(0.15)
3.8
(0.15)
10.2
(0.40)
2.54
(0.10)
2.54
(0.10)
15.3
(0.60)
2.5 (0.10)
7.6
(0.30)
1.4
(0.06)
4
(0.16)
1.7
(0.07)
Max. 27.7
(1.09)
Typ. 27.2
(1.07)
3.3 ± 0.5
(0.13 ± 0.020)
*Note: Terminal #4 is omitted
on SPST-NO version.
*Note: Terminal #4 is omitted
on SPST-NO version.
5
G8P G8P
Sealed, PCB with Quick Connect terminals
Note: Allow air circulation within the sealed type G8P by removing the ventilation nib from the cover after soldering and cleaning is
complete.
Max. 27.5 (1.08)
Typ. 27 (1.06)
NC NO
COM
Flange mount Terminal arrangement/ Mounting holes
Internal connections (Bottom view)
(Bottom view)
Terminal arrangement/
Internal connections
(Bottom view)
Mounting holes
(Bottom view)
.250" Quick Connect terminals
Max. 31.9 (1.26)
Typ. 31.4 (1.24)
NCNO
COM
Max. 28.3
(1.11)
Typ. 27.8
(1.09)
19.6
(0.77)
0.4
(0.02)
3.3 ±0.5
(0.13 ±0.020)
12.8
(0.50)
2.5 (0.10)
7.6
(0.30)
2
6
3
5
4*
10.2
(0.40)
3.8
(0.15) 3.8
(0.15)
Two 1.1 ±0.1 dia. holes
(0.043 ±0.004 dia.)
Three 2.1 ±0.2 dia. holes
(0.083 ±0.008 dia.)
3.4 (0.13)
3.8 (0.15)
10.2
(0.40)
3.8
(0.15)
2.54
(0.10)
2.54
(0.10) 15.3
(0.60)
2.5 (0.10)
7.6
(0.30)
3.2
(0.13)
6
(0.24)
5.5
(0.22)
Max. 27.7
(1.09)
Typ. 27.2
(1.07)
.250" Quick Connect terminals
0.8 dia
(0.03)
.187" Quick Connect
terminals
Max. 32 (1.26)
Typ. 31.5 (1.24)
3.6 dia.
(0.14)
Max. 28.3
(1.11)
Typ. 27.8
(1.09)
Max. 50.3 (1.98)
Typ. 49.8 (1.96)
Max. 20.1
(0.79)
Typ. 19.6
(0.77)
43.4 ± 0.1
(1.71 ± 0.004)
3.6 dia.
(0.14)
2
6
5
34*
*Note: Terminal #4 is omitted
on SPST-NO version.
*Note: Terminal #4 is omitted
on SPST-NO version.
Unit: mm (inch)
6
G8P G8P
■APPROVALS
UL Recognized (File No. E41643), CSA Certified (File No. LR34815)
Note: 1. The rated values approved by each of the safety standards (e.g., UL, CSA) may be different from the performance characteristics
individually defined in this catalog.
2. For information on additional ratings not included in this catalog, contact your local Omron Representative.
3. In the interest of product improvement, specifications are subject to change.
Contact form Coil ratings Contact ratings
SPST-NO 5 to 110 VDC 30A, 277 VAC (G.P./Res.)
30A, 250 VAC, 100k ops. (Res.)
20A, 120-240 VAC, 70°C, 100,000 cycles (G.P./Res.)
20A, 28 VDC (Res.)
20A, 240 VAC, 105°C, 100,000 cycles (Res.)
1 HP, 125-250 VAC
2 HP, 250 VAC
A300 Pilot Duty
12FLA, 72LRA, 250 VAC, 100,000 cycles
20 FLA, 96 LRA, 125 VAC, 100,000 cycles
5A, 250 VAC (Tungsten)
20A, 120-277 VAC (Ballast)
30A/ 30A, 250 VAC (Res.)
20A/ 15A, 120-240 VAC, 105°C, 100,000 cycles (Res.)
20A/ 10A, 120-240 VAC, 70°C, 100,000 cycles (G.P./Res.)
20A/ 10A, 28 VDC (Res.)
1/2 HP/ 1/2 HP, 125 VAC, 100,000 cycles
2 HP/ 1/2 HP, 250 VAC
1 HP/ 1/4 HP, 125 VAC
B150 Pilot Duty
5A/ 3A, 250 VAC (Tungsten)
6A/ 3A, 277 VAC (Ballast)
SPDT 5 to 110 VDC
OMRON ELECTRONICS, INC. OMRON CANADA, INC.
One East Commerce Drive 885 Milner Avenue
Schaumburg, IL 60173 Scarborough, Ontario M1B 5V8
1-800-55-OMRON 416-286-6465
Cat. No. J03RAD2 8/00/2.5M Specifications subject to change without notice. Printed in the U.S.A.
NO/NC
