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 RoHS Compliant Model Number Structure Application Examples Smart Meter Lighting control G9TB- 1A -E PV Inverter EV Charger 12 345 1. Relay Function 2. Number of poles 3. Contact Form U: Single-winding latching 1: 1-Pole A: SPST-NO K: Double-winding latching 4. Terminal shape 5. Classification TH: M8 securing screw E: High capacity TW: Welding terminals Ordering Information Classification Contact Form Terminal Shape Enclosure rating Model Rated coil voltage Minimum packing unit M8 securing screw G9TB-U1ATH-E Single coil 12 VDC Welding terminals G9TB-U1ATW-E SPST-NO Flux protection 25 pcs/tray M8 securing screw G9TB-K1ATH-E Double coils 12 VDC Welding terminals G9TB-K1ATW-E 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 Must reset Item Must set voltage Max. voltage Power consumption voltage Rated current (mA) Coil resistance () 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 Double-winding Latching Type Must reset Item Rated current (mA) Coil resistance () Must set voltage Max. voltage Power consumption voltage 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 Note 1. The rated current and coil resistance were measured at a coil temperature of 23C with tolerances of 10%. Note 2. The operating characteristics are measured at a coil temperature of 23C. 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 23C. Contacts 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 1 G9TBG9TB AC Power Latching Relay Characteristics Item G9TB-U1A -E G9TB-K1A -E Contact resistance *1 0.4 m 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 1,000 M min. Between coil and contacts 4,000 VAC, 50/60 Hz for 1 min Dielectric strength Between contacts of the 2,000 VAC, 50/60 Hz for 1 min same polarity Impulse withstand Between coil and contacts 8 kV voltage Destruction 10 to 55 to 10 Hz, 0.75 mm single amplitude (1.5 mm double amplitude) Vibration resistance Malfunction 10 to 55 to 10 Hz, 0.75 mm single amplitude (1.5 mm double amplitude) 2 Destruction 1,000 m/s Shock resistance 2 Malfunction 100 m/s Mechanical 100,000 operations min. (at 7,200 operations/h) 10,000 operations typical, resistive load 120 A, 276 VAC (operation: ON for 10 sec, OFF for 20 sec) Durability Electrical *4 5,000 operations, resistive load 100 A, 276 VAC and then 5,000 operations, inductive load (PF=0.5) 100 A, 276 VAC (operation: ON for 10 sec, OFF for 20 sec) *5 Ambient operating temperature -40 to 85C (with no icing or condensation) Ambient operating humidity 5 to 85% Weight Approx. 70 g Note. The values given above are initial values. *1. Measurement conditions: 24 VDC, 1 A, voltage drop method. *2. Measurement conditions: Rated operating voltage applied, not including contact bounce. Ambient temperature: 23C *3. Measurement conditions: The insulation resistance was measured with a 500 VDC megohm meter at the same locations as the dielectric strength was measured. *4. Contact your OMRON sales representative for Electrical Durability technical data. *5. The characteristic meets IEC62055-31 test requirement. 2 G9TB