Datasheet

ManualsBrandsOmron Electronic Components ManualsPower RelaysPCB Power Relay 1NO DC 12V 26.6Ohm

G9TB

AC Power Latching Relay

120 A Compact and high power

latching relay

• High power switching: 120 A, 276 VAC

• Compact size: 37 mm × 43 mm × 22 mm

• Low temperature-rise

• High overcurrent capability, conforming to IEC62055-31 UC3

• Conforms to UL 508

Ordering Information

Note. When ordering, add the rated coil voltage to the model number.

Example: G9TB-U1ATH-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

Single-winding Latching Type

Double-winding Latching Type

Note 1. The rated current and coil resistance were measured at a coil temperature of 23°C with tolerances of ± 10%.

Note 2. The operating characteristics are measured at a coil temperature of 23°C.

Note 3. The maximum permissible voltage is the maximum value of the fluctuation range for the Relay coil operating power supply and was measured at an ambient

temperature of 23°C.

 Contacts

RoHS Compliant

Classification Contact Form Terminal Shape Enclosure rating Model Rated coil voltage Minimum packing unit

Single coil

SPST-NO

M8 securing screw

Flux protection

G9TB-U1ATH-E

12 VDC

25 pcs/tray

Welding terminals G9TB-U1ATW-E

Double coils

M8 securing screw G9TB-K1ATH-E

12 VDC

Welding terminals G9TB-K1ATW-E

Item

Rated current (mA) Coil resistance (Ω)

Must set voltage

Must reset

voltage

Max. voltage Power consumption

Rated Voltage (V) % of rated voltage Set coil (W) Reset coil (W)

DC 12 225 53.3 80% max. 80% max. 110% max. Approx. 2.7

Model Number Structure

G9TB- 1A -E

123

2. Number of poles

1: 1-Pole

3. Contact Form

A: SPST-NO

5. Classification

E: High capacity

1. Relay Function

U: Single-winding latching

K: Double-winding latching

4. Terminal shape

TH: M8 securing screw

TW: Welding terminals

Application Examples

• Smart Meter • Lighting control

• PV Inverter • EV Charger

Item Rated current (mA) Coil resistance (Ω) Must set voltage

Must reset

voltage

Max. voltage Power consumption

Rated Voltage (V) Set coil Reset coil Set coil Reset coil % of rated voltage Set coil (W) Reset coil (W)

DC 12 451 451 26.6 26.6 80% max. 80% max. 110% max. Approx. 5.4 Approx. 5.4

Model G9TB-U1A -E/G9TB-K1A -E

Item Load Resistive load Inductive load (PF=0.5)

Contact type SPST-NO

Contact material Ag Alloy

Rated load 120 A at 276 VAC 100 A at 276 VAC

Rated carry current 120 A

Max. switching voltage 276 VAC

Max. switching current 120 A 100 A

Summary of content (5 pages)

PAGE 1
G9TB AC Power Latching Relay 120 A Compact and high power latching relay • High power switching: 120 A, 276 VAC • Compact size: 37 mm × 43 mm × 22 mm • Low temperature-rise • High overcurrent capability, conforming to IEC62055-31 UC3 • Conforms to UL 508 RoHS Compliant Model Number Structure Application Examples • Smart Meter • PV Inverter G9TB- 1 A  - E 12 3 4 5 2. Number of poles 1: 1-Pole 4. Terminal shape TH: M8 securing screw TW: Welding terminals 5. Classification E: High capacity 3.
PAGE 2
G9TB AC Power Latching Relay Characteristics Item G9TB-U1A -E 0.4 mΩ max. Set time *2 25 ms max. 20 ms max. Reset time *2 25 ms max. 20 ms max. Minimum pulse width 100 ms Maximum pulse width 1,000 ms Insulation resistance *3 Dielectric strength Impulse withstand voltage Vibration resistance Shock resistance 1,000 MΩ min.
PAGE 3
G9TB AC Power Latching Relay Dimensions (Unit: mm) G9TB-U1ATH-E 43.5 max. 35 4 Two, @0.64±0.05 4 22.5 max. Terminal arrangement/Internal Connections (TOP VIEW) 10±0.2 4 R S 37.5 max. - 3 30 21.6 1 2 3 14 7 7 3.5 3 14 Check carefully the coil polarity of the Relay. Two, 2.1 dia. (HOLE) 3.5 Two, 8.5 dia. (HOLE) 11.5 9.5 16.5 16.5 27 2 6.55 11.55 13.3 13.3 18.95 2 43.5 max. 35 4 Two, @0.64±0.05 4 22.5 max.
PAGE 4
G9TB AC Power Latching Relay G9TB-K1ATW-E 22.5 max. 43.5 max. 35 4 Three, @0.64±0.05 4 Terminal arrangement/Internal Connections (TOP VIEW) 10±0.2 - 5 S 4 R - 3 37.5 max. 5±0.1 30 21.6 1 3.5 12 2 Check carefully the coil polarity of the Relay. Two, 2.1 dia. (HOLE) 2.5 10 10 16 18.95 10.8 2.75 2 2 Engineering Data Switching current (A)  Maximum Switching Capacity G9TB-U1A -E G9TB-K1A -E Switching current (A) G9TB Note 1.
PAGE 5
G9TB AC Power Latching Relay Safety Precautions • Please refer to "PCB Relays Common Precautions" for correct use. Correct Use Installation • The relay contacts are polarized. Incorrect wiring may cause a failure to break the circuit. Wire the Relay with care. • Install the Relays in locations that are as dry as possible and have as little dust, dirt, and harmful gas.