Omron, G3NB Series

• Zero cross function enables less noise operation.

• Built-in varistor effectively absorbs external surges.

• Operation indicator enables monitoring operation.

• Protective cover for greater safety.

• Certified by UL, CSA and TÜV.

Ratings

Input (at an Ambient Temperature of 25°C)

Rated voltage	Operating voltage	Rated input current	Voltage level
Rated voltage	Operating voltage	Rated input current	Operation voltage	Release voltage
5 to 24 VDC	4 to 32 VDC	7 mA max.	4 VDC max.	1 VDC min.

Output

Model	Applicable load
	Rated load voltage	Load voltage range	*Load current 1**		Inrush current
	Rated load voltage	Load voltage range	With heat sink *2	Without heat sink	Inrush current
G3NB-205B-1	24 to 220 VAC	19 to 286 VAC	0.1 to 6 A (at 25°C) 5 A (at 40°C)	0.1 to 3 A (at 40°C)	60 A (60 Hz, 1 cycle)
G3NB-210B-1			0.1 to 15 A (at 25°C) 10 A (at 40°C)	0.1 to 4 A (at 40°C)	150 A (60 Hz, 1 cycle)
G3NB-220B-1			0.1 to 25 A (at 25°C) 20 A (at 40°C)		220 A (60 Hz, 1 cycle)
G3NB-225B-1			0.1 to 25 A (at 25°C) 25 A (at 40°C)		220 A (60 Hz, 1 cycle)
G3NB-240B-1			0.1 to 40 A (at 25°C) 40 A (at 40°C)	0.1 to 6 A (at 40°C)	410 A (60 Hz, 1 cycle)
G3NB-275B-1			1 to 90 A (at 25°C) 75 A (at 40°C)	1 to 7 A (at 40°C)	800 A (60 Hz, 1 cycle)
G3NB-290B-1			1 to 110 A (at 25°C) 90 A (at 40°C)	1 to 7 A (at 40°C)	900 A (60 Hz, 1 cycle)

*1. The load current varies depending on the ambient temperature. Refer to Load Current vs. Ambient temperature under engineering data.
*2. When an OMRON heat sink (refer to Options) or a heat sink of the specified size is used.The values at 25°C are the maximum load currents.

Characteristics

Item	G3NB-
Item	205B-1	210B-1	220B-1	225B-1	240B-1	275B-1	290B-1
Operate time	1/2 of load power source cycle + 1 ms max.
Release time	1/2 of load power source cycle + 1 ms max.
Output ON voltage drop	1.6 V (RMS) max.
Leakage	5 mA max. (at 100 VAC), 10 mA max. (at 200 VAC)
Insulation resistance	100 MΩ min. (at 500 VDC)
Dielectric strength	2,500 VAC, 50/60 Hz for 1 min
Vibration resistance	Destruction: 10 to 55 to 10 Hz, 0.35-mm single amplitude (0.7-mm double amplitude)
Shock resistance	Destruction: 1,000 m/s²
Ambient temperature	Operating: -30 to 80°C (with no icing or condensation) Storage: -30 to 100°C (with no icing or condensation)
Ambient humidity	Operating: 45% to 85%
Weight	Approx. 60 g				Approx. 80 g	Approx. 110 g

Relays

G3NB-205B-1
G3NB-210B-1
G3NB-220B-1
G3NB-225B-1

G3NB-240B-1

G3NB-275B-1
G3NB-290B-1

Options (Order Separately)

One-touch Mounting Plate

The One-touch Mounting Plate is used to mount the G3NB to a DIN Track.

R99-12 FOR G3NA

Heat Sinks

Y92B-N50 Heat Sink (for the G3NB-205B-1, G3NB-210B-1)

For surface mounting, a 30% derating of the load current is required (from the Load Current vs. Ambient Temperature graphs).For mounting method, refer to "Precautions for Correct Use".

Y92B-N100 Heat Sink (for the G3NB-220B-1)

For surface mounting, a 30% derating of the load current is required (from the Load Current vs. Ambient Temperature graphs).For mounting method, refer to "Precautions for Correct Use".

Y92B-N150 Heat Sink (for the G3NB-225B-1, G3NB-240B-1)

For surface mounting, a 30% derating of the load current is required (from the Load Current vs. Ambient Temperature graphs).For mounting method, refer to "Precautions for Correct Use".

Y92B-P250NF Heat Sink (for the G3NB-275B-1, G3NB-290B-1)

For mounting method, refer to "Precautions for Correct Use".

TITLE	DOCUMENT TYPE	SIZE
G3NB	Catalog	2068 KB

Ratings

Input (at an Ambient Temperature of 25°C)

Output

Characteristics

Relays

G3NB-205B-1
G3NB-210B-1
G3NB-220B-1
G3NB-225B-1

G3NB-240B-1

G3NB-275B-1
G3NB-290B-1

Options (Order Separately)

One-touch Mounting Plate

R99-12 FOR G3NA

Heat Sinks

Y92B-N50 Heat Sink (for the G3NB-205B-1, G3NB-210B-1)

Y92B-N100 Heat Sink (for the G3NB-220B-1)

Y92B-N150 Heat Sink (for the G3NB-225B-1, G3NB-240B-1)

Y92B-P250NF Heat Sink (for the G3NB-275B-1, G3NB-290B-1)

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Ratings

Input (at an Ambient Temperature of 25°C)

Output

Characteristics

Relays

G3NB-205B-1 G3NB-210B-1 G3NB-220B-1 G3NB-225B-1

G3NB-240B-1

G3NB-275B-1 G3NB-290B-1

Options (Order Separately)

One-touch Mounting Plate

R99-12 FOR G3NA

Heat Sinks

Y92B-N50 Heat Sink (for the G3NB-205B-1, G3NB-210B-1)

Y92B-N100 Heat Sink (for the G3NB-220B-1)

Y92B-N150 Heat Sink (for the G3NB-225B-1, G3NB-240B-1)

Y92B-P250NF Heat Sink (for the G3NB-275B-1, G3NB-290B-1)

G3NB-205B-1
G3NB-210B-1
G3NB-220B-1
G3NB-225B-1

G3NB-275B-1
G3NB-290B-1