G3JA-C Omron Corporation, G3JA-C Datasheet
G3JA-C
Related parts for G3JA-C
G3JA-C Summary of contents
Page 1
... Phase reversal detection Current imbalance detection Note: Select either voltage control start or current limit start. Applicable Motors Three-phase, 3-wire Motor Three-phase, 6-wire Motor (Line) (Delta) The G3JA-C can be A 3-phase, 6- used for a 3-phase, wire motor 3-wire motor as (that supports shown in the a star-delta following diagram ...
Page 2
... Production of a new version of the Soft Starter (version 2) with added functions was started in August 2008. The DIP switch settings of the new version are different from the previous version. For details, refer to Upgrades for Version 2 on page 13. When replacing G3JA-C (version 2) with G3JA-D, refer to “Three-phase, 6-wire Motors (Star-delta Wiring)” list above. ■ Accessories (Order Separately) ...
Page 3
... G3JA-C416/C419 100 G3JA-C425/C430/C437 Load current (A) Model G3JA-C403 G3JA-C409 G3JA-C416 G3JA-C419 G3JA-C425 G3JA-C430 G3JA-C437 Rated breaking current Rated breaking current cULus (UL 508) G3JA-C G3JA-C425 G3JA-C430 G3JA-C437 ...
Page 4
... Hz, 0.19-mm single amplitude 2 peak Hz, 0.075-mm single amplitude 2 ( (15 G) G3JA-C IEC (EN/IEC 60947-4-2) III (See note.) IEC (EN/IEC 60947-4- 2,000 VAC III (See note.) AC15 IEC (EN/IEC 60947-4-2) IEC (EN/IEC 60947-4-2) ...
Page 5
... Applicable Standards Safety standards UL 508 (Listing: File No. E64562), CSA 22.2 No. 14, EN/IEC 60947-4-2 cULus (UL 508) cULus (UL 508) --- --- 4 kV contact discharge and 8 kV air discharge --- --- --- G3JA-C IEC (EN/IEC 60947-4-2) IEC (EN/IEC 60947-4-2) Class A Class A Conforms to IEC 60947-4-2 Conforms to IEC 60947-4-2 Conforms to IEC 60947-4-2 5 ...
Page 6
... G3JA. A transformer is not required if the load voltage is within the rated operational voltage range of the G3JA. *2. The wiring in the following diagram is used for a 3-phase, 6-wire motor (Delta G3JA (V1) (W1) (U2) G3JA-C Fuse, NF breaker, etc -TC Transformer * GRD ...
Page 7
... G3JA. A transformer is not required if the load voltage is within the rated operational voltage range of the G3JA. *2. The wiring in the following diagram is used for a 3-phase, 6-wire motor (Delta G3JA (U2 (V1) (W1) G3JA-C Fuse, NF breaker, etc Transformer *2 - -KM2 GRD -SB E-STOP ...
Page 8
... If the motor load is extremely small, the soft stop time will be very short. G3JA-C Kick start (when selected) *2 100% Stable ...
Page 9
... LED indicator and closes the alarm contact. Shorted SCR The G3JA-C always checks the SCR for a short circuit before the starting sequence short circuit is found, the G3JA-C stops the starting sequence, indicates the short circuit with a flashing LED indicator, and closes the alarm contact ...
Page 10
... Note: Test Mode for overload testing will be entered when the Reset Button is pressed for approximately seconds. Test Mode will be cancelled when the Reset Button is pressed again. Control Terminals The G3JA-C has eight input terminals on the front. Each terminal is described in the following table. Description Terminal A1 ...
Page 11
... Normal Up-to-speed Soft stop Coast to stop during soft stop Start Stop Stable operation Time Normal Up-to-speed Normal: Power supplied to motor Up-to-speed: Bypass relay ON G3JA-C Current Limit Start Setting DIP switch pins FLA current limit (%) 4 5 OFF OFF 150% ON OFF 250% OFF ...
Page 12
... Mounting Dimensions for the Auxiliary Contact Block and Round Terminal Block Adapter Trip Class 15 1,000 Cold trip 100 Hot trip 10 1 100 1,000 Current (%) 44.8 109 141.5 10 44.8 109 23 141.5 23 G3JA-C Trip Class 20 1,000 Cold trip 100 Hot trip 10 1 100 1,000 Current (%) (Unit: mm) Panel Cutouts 4.5 dia 46.4 132 35 3 46.4 ...
Page 13
... Optional Auxiliary Contact Block (normal/up-to- speed) 16 Phase reversal protection * These settings are different for the previous version and the new version. G3JA-C Label on Box Previous version New version (version 2) Start time Start mode (current limit start or soft start) ...
Page 14
... Motor Wiring Method (New Version) Optional Auxiliary Contact Block (Previous Version) Previous version DIP switch pin 15 Optional Auxiliary Contact Block ON (23 to 24) Normal OFF Up-to-speed G3JA-C New version (version 2) DIP switch pins Time (unit OFF OFF OFF OFF ON OFF 10 ON ...
Page 15
... Tighten the screws to the specified torque. The tightening torque for mounting the Round Terminal Block Adaptor to the G3JA is 2.3 to 3.4 N·m. The tightening torque for wiring the Round Terminal Block Adaptor is G3JA is 0.98 to 1.37 N·m. G3JA-C Fan Three, M4 ...
Page 16
... Varistor voltage: 910 V Energy resistance: 200 joules min. (10 × 1000 µs) Limiting Resistor The G3JA cannot use a limiting resistor. Operation Start Signal Do not apply an operation start signal during a soft stop. Doing so will result in abnormal operation. G3JA Motor T3 ...
Page 17
... If you use a power capacitor, connect it to the primary side (i.e., power supply side) of the G3JA output terminals. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. In the interest of product improvement, specifications are subject to change without notice. G3JA-C 17 ...
Page 18
... OMRON Corporation Industrial Automation Company http://www.ia.omron.com/ Read and Understand This Catalog Warranty and Limitations of Liability Application Considerations Disclaimers In the interest of product improvement, specifications are subject to change without notice. (c)Copyright OMRON Corporation 2009 All Right Reserved. 2009.12 ...