General Purpose Relay DISCONTINUED G4B
n Miniature relay ideal for switching motor
load, lamp load, heater, etc.
n Creepage distance of more than 2.03 mm
(0.08 in).
n Upper mounting bracket type for easy
wiring and mounting
Ordering Information
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
Note: 1. Class insulation available. For information consult your OMRON representative.
2. High capacity types are also available with #110 connect coil terminals.
Specifications
n CONTACT DATA
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 VAC 15A 220 VAC 10A 220 VAC 25A 220 VAC 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. permissible load 100 mA, 5 VDCG4B G4B
n COIL DATA
AC
Rated Rated current Coil Pick-up Dropout Maximum Power
voltage (mA) resistance voltage voltage voltage consumption
(V) () (VA,W)
50Hz 60Hz % of rated voltage
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) () (VA,W)
% of rated voltage
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
Note: The rated current and coil resistance are measured at a coil temperature of 23C (73F) with tolerances of 10% for DC rated
current and +15%, -20% for AC rated current, and 15% for rated coil resistance.
n CHARACTERISTICS
Contact resistance 30 m 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 M 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 55C (14 to 131F)
Humidity 35% to 85% RH
Service life Mechanical 10 million operations min. (at 18,000 operations/hour)
Electrical See Characteristic Data
Weight Approx. 44 g (1.55 oz)
Note: Data shown are of initial value.
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