Type Standard High capacity
Load Resistive (p.f.=1) Inductive (p.f.=0.40) Resistive (p.f.=1) Inductive (p.f.=0.40)
(L/R=7ms) (L/R=7ms)
Rated load 220 VA C 15A 220 VA C 10A 220 VA C 25A 220 VA C 20A
24 VDC 15A 24 VDC 7A 24 VDC 25A 24 VDC 15A
Contact material AgCdO AgInSn
Carry current 20A 25A
Max. operating voltage 250 VAC, 125 VDC — 250 VAC, 125 VDC
Max. operating current 20 A — 25A
Max. switching capacity 3,300VA, 360W 2,200VA, 170W 5,500VA, 600W
Min. per missible load 100 mA, 5 VDC
■Miniature relay ideal for switching motor
load, lamp load, heater, etc.
■Creepage distance of more than 2.03 mm
(0.08 in).
■Upper mounting bracket type for easy
wiring and mounting
General Purpose Relay DISCONTINUED G4B
Ordering Information
Note: 1. Class "B" insulation available. For information consult your OMRON representative.
2. High capacity types are also available with #110 connect coil terminals.
To Order : Select the part number from the available types chart and add the desired coil voltage rating, (e.g., G4B-112T-US-
DC6
).
Type Load contact terminal Coil terminal Contact form Part number
Standard Quick connect #250 Quick connect #110 SPST-NO G4B-112T-US
SPDT G4B-112T-C-US
Quick connect #187 SPST-NO G4B-112T1-US
SPDT G4B-112T1-C-US
PC board SPST-NO G4B-112TP-US
SPDT G4B-112TP-C-US
High capacity PC board SPST-NO G4B-112TP-FD-US-RP
SPDT G4B-112TP-FD-C-US-RP
Quick connect #187 SPST-NO G4B-112T1-FD-US-RP
SPDT G4B-112T1-FD-C-US-RP
■CONTACT DATA
Specifications
2
G4B G4B
Note: The rated current and coil resistance are measured at a coil temperature of 23°C (73°F) with tolerances of ±10% for DC rated
current and +15%, -20% for AC rated current, and ±15% for rated coil resistance.
■COIL DATA
AC
Contact resistance 30 mΩ max.
Operate time 20 ms max.
Release time 20 ms max.
Operating frequency Mechanical 1,800 operations/hour
1,800 operations/hour (under rated load)
Insulation resistance 100 MΩ min (at 500 VDC)
Dielectric strength 2,000 VAC 50/60 Hz for 1 minute (1,000 VAC between non-continuous contacts)
Vibration Mechanical durability 10 to 55 Hz, 1.50 mm (0.06 in) double amplitude
Malfunction durability 10 to 55 Hz, 1.50 mm (0.06 in) double amplitude
Shock Mechanical durability Approx. 100 G
Malfunction durability Approx. 20 G
Ambient temperature -10° to 55°C (14° to 131°F)
Humidity 35% to 85% RH
Ser vice life Mechanical 10 million operations min. (at 18,000 operations/hour)
Electrical See “Characteristic Data”
Weight Approx. 44 g (1.55 oz)
■CHARACTERISTICS
Note: Data shown are of initial value.
Rated Rated current Coil Pick-up Dropout Maximum Power
voltage (mA) resistance voltage voltage voltage consumption
(V) 50Hz 60Hz (Ω)% of rated voltage (VA,W)
6 254 217 — 80% max. 30% min. 110% max. Approx.1.30 VA
12 126.50 108
24 63 54
50 30.50 26
100 15 13
120 12.60 10.80
240 6.30 5.40
DC
Rated Coil Pick-up Dropout Maximum Power
voltage Rated current resistance voltage voltage voltage consumption
(V) (mA) (Ω)% of rated voltage (VA,W)
6 200 30 80% max. 10% min. 110% max. Approx. 1.20 W
12 89 135
24 50 480
48 25 1,920
100 12 8,300
110 9 12,300
3
G4B G4B
■CHARACTERISTIC DATA
Standard
Maximum switching capacity Electrical service life
High Capacity
Maximum switching capacity Electrical service life
Rated operating current (A)
Rated operating current (A)
Service life (x106 operations)
Service life (x104 operations)
Load current (A)
Load current (A)
Rated operating voltage (V)
Rated operating voltage (V)
4
G4B G4B
Dimensions
Unit: mm (inch)
G4B-112T-US G4B-112T-C-US
(Bottom view) (Bottom view)
G4B-112T1-US G4B-112T1-C-US
(Bottom view) (Bottom view)
G4B-112TP-US G4B-112TP-C-US
(Bottom view) (Bottom view)
■RELAYS
5
G4B G4B
Type Contact form Coil ratings Contact ratings
G4B SPST-NO 6 to 120 VAC 15 A, 28 VDC (Resistive)
SPDT 6 to 100 VDC 15 A, 120 VAC (Inductive)
10A, 240 VA C (Inductive)
1 HP, 120 VAC (HP rating)
TV-5 AC
TV rating
■APPROVALS
Standard
UL (File No. E41643)
G4B-112T-US, G4B-112T-C-US
G4B-112T1-US, G4B-112T1-C-US
Terminal layout/
Internal connection
(Bottom view)
G4B-112T(-C)-US
G4B-112T1(-C)-US
Mounting holes
(Bottom view)
G4B-112TP(-C)-US
Mounting holes
(Bottom view)
G4B-112TP-US
Terminal layout/
Internal connection
(Bottom view) (Top view)
G4B-112TP-C
Type Contact form Coil ratings Contact ratings
G4B SPST-NO 6 to 120 VAC 25 A, 250 VAC (General purpose)
SPTD 6 to 100 VDC 2 HP, 250 VAC
High Capacity
UL (File No. 41643)
Note: Recommended panel thickness is 1.01 to 2.03 mm (0.04 to 0.08 in).
Type Contact form Coil ratings Contact ratings
G4B SPST-NO 6 to 120 VAC 15 A, 28 VDC (Resistive)
SPDT 6 to 120 VDC 10A, 120 VAC (Inductive)
1/2 HP, 120 VAC (HP rating)
CSA (File No. LR31928)
Note: 1. The rated v alues approved by each of the safety standards may be diff erent from the performance characteristics individually
defined in this catalog.
2. In the interest of product improvement, specifications are subject to change.
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. GC RLY6 9/97 Specifications subject to change without notice. Printed in the U.S.A.
