- G9EC-1 DC Power Relays (200-A Models) DC Power Relays Capable of Interrupting High-voltage, High-current Loads • A compact relay (98 x 44 x 86.7 mm (L x W x H)) capable of switching 400-V 200-A DC loads. (Capable of interrupting 1,000 A at 400 VDC max.) The switching section and driving section are gas-injected and hermetically sealed, allowing these compact relays to interrupt high-capacity loads. The sealed construction also requires no arc space, saves space, and helps ensure safe applications. Downsizing and optimum design allo w no restrictions on the mounting direction. Terminal Cover is also available for industrial applications. UL/CSA standard UL508 approved. RoHS Compliant Refer to "DC Power Relays Common Precautions". ■Model Number Legend G 9 3. Coil Terminals 1. Number of Poles G9EC-@-@-@-@ E —— — — 1: 1 pole B : M3.5 screw terminals (standard) C 12 3 4 Blank: Lead wire output 2. Contact Form 1 Blank: SPST-NO 4. Special Functions ■List of Models Terminals Models Contact form Coil rated voltage Model Coil terminals Contact terminals 12 VDC Screw terminals G9EC-1-B 24 VDC Switching/current Screw terminals SPST-NO 48 VDC conduction models 60 VDC Lead wire G9EC-1 100 VDC Note 1. Two M8 nuts are provided for the contact terminal connection. Note 2. Two M3.5 screws are provided for the coil terminal connection. ■Ratings ●Coil Item Rated current Coil resistance Must-operate voltage Must-release voltage Maximum voltage Power consumption Rated voltage (mA) (Ω) (V) (V) (V) (W) 12 VDC 938 12.8 24 VDC 469 51.2 110% of rated 75% max. of rated 8% min. of rated 48 VDC 234 204.8 voltage (at 23°C Approx. 11 voltage voltage within 10 minutes) 60 VDC 188 320.0 100 VDC 113 888.9 Note 1. The figures for the rated current and coil resistance are for a coil temperature of 23°C and have a tolerance of ±10%. Note 2. The figures for the operating characteristics are for a coil temperature of 23°C. Note 3. The figure for the maximum voltage is the maximum voltage that can be applied to the relay coil. ●Contacts Resistive load Item G9EC-1(-B) Rated load 200 A at 400 VDC Rated carry current 200 A Maximum switching voltage 400 V Maximum switching current 200 A 1 - G9EC-1 DC Power Relays (200-A Models) ■Characteristics Item Model G9EC-1(-B) Contact resistance *1 30 mΩ max. (0.2 mΩ typical) Contact voltage drop 0.1 V max. (for a carry current of 200 A) Operate time 50 ms max. Release time 30 ms max. Between coil and 1,000 MΩ min. contacts Insulation resistance *2 Between contacts of 1,000 MΩ min. the same polarity Between coil and 2,500 VAC, 1 min contacts Dielectric strength Between contacts of 2,500 VAC, 1 min the same polarity Impulse withstand voltage *3 4,500 V 10 to 55 to 10 Hz 0.75-mm single amplitude (Acceleration: 2.94 Destruction 2 to 88.9 m/s ) Vibration resistance 10 to 55 to 10 Hz 0.75-mm single amplitude (Acceleration: 2.94 Malfunction 2 to 88.9 m/s ) 2 Destruction 490 m/s Shock resistance 2 Malfunction 196 m/s Mechanical endurance *4 200,000 operations min. Electrical endurance (resistive load) *5 400 VDC, 200 A, 3,000 operations min. Short-time carry current 300 A (15 min) Maximum interruption current 1,000 A at 400 VDC (10 times) Overload interruption 700 A at 400 VDC (40 times min.) G Reverse polarity interruption -200 A at 200 VDC (1,000 times min.) 9 Ambient operating temperature -40 to 50°C (with no icing or condensation) E C Ambient operating humidity 5% to 85% 1 Weight (Including accessories) Approx. 560 g Note. The above values are initial values at an ambient temperature of 23°C unless otherwise specified. *1. The contact resistance was measured with 1 A at 5 VDC using the voltage drop method. *2. The insulation resistance was measured with a 500-VDC megohmmeter. *3. The impulse withstand voltage was measured with a JEC-212 (1981) standard impulse voltage waveform (1.2 x 50 μs). *4. The mechanical endurance was measured at a switching frequency of 3,600 operations/hr. *5. The electrical endurance was measured at a switching frequency of 60 operations/hr. 2 - G9EC-1 DC Power Relays (200-A Models) ■Engineering Data G9EC-1(-B) Switching/Current Conduction Models ●Maximum Switching Capacity ●Electrical Endurance (Switching ●Electrical Endurance (Interruption Performance) Performance) 10 1,000 1,000 500 5 500 300 Switching 3 300 400-VDC resistive load 100 Interrupting (positive direction) 400-VDC DC resistive load 50 1 100 resistive load 30 (positive direction) 50 0.5 10 0.3 30 5 3 0.1 10 1 5 0.05 0.5 0.03 3 0.3 0.1 0.01 1 10 30 50 100 300 500 1,000 10 30 50 100 300 500 1,000 10 50 100 500 1,000 10,000 Switching voltage (V) Switching current (A) Switching current (A) ●Carry Current vs Energizing Time ●Must-operate Voltage and ●Time Characteristic Distributions Must-release Voltage Distributions 100,000 30 30 Sample: G9EC-1 Sample: G9EC-1 Must-operate voltage Operate time Number: 35 Number: 32 Must-release voltage Release time 25 25 10,000 20 20 1,000 15 15 10 10 G 9 100 E 5 5 C 10 0 1 100 300 500 700 1,000 0 10 20 30 40 50 60 70 80 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 Percentage of rated voltage (%) Time (ms) Carry current (A) ●Vibration Malfunction ●Vibration Resistance 1 5.0 Sample: G9EC-1 Sample: G9EC-1 Number: 5 4.0 Number: 5 0.9 Unconfirmed area 0.8 3.0 2.0 0.7 0.6 1.0 Must-release voltage 0.0 0.5 Must-operate voltage Confirmed area 0.4 -1.0 0.3 -2.0 0.2 -3.0 0.1 -4.0 0 -5.0 11 3 503050 100 Start After test Characteristics were measured after applying vibration Frequency (Hz) at a frequency of 10 to 55 Hz (single amplitude of 0.75 mm) to the test piece (not energized) for 2 hours each in 3 directions. The percentage rate of change is the average value for all of the samples. ●Shock Malfunction ●Shock Resistance 5.0 Z' Sample: G9EC-1 2 Unit: m/s Number: 5 4.0 Y Sample: G9EC-1 Z 1,000 Number: 5 X 3.0 800 Y' X' Y 2.0 600 X Z 1.0 400 Must-operate voltage 200 0.0 Must-release voltage 㸫1.0 200 㸫2.0 400 Deenergized Z' X' 㸫3.0 600 㸫4.0 800 Energized 㸫5.0 1,000 Start After test Y' Characteristics were measured after applying a shock The value at which malfunction occurred 2 of 490 m /s to the test piece 3 times each in 6 was measured after applying shock to the directions along 3 axes. The percentage rate of test piece 3 times each in 6 directions change is the average value for all of the samples. along 3 axes. 3 2(-) 1(+) G9EC-1-B 12VDC CONTACT: MADE IN JAPAN 200A 400VDC Lot No. 1362K1-0001 Energizing time (s) Switching current (A) Single amplitude (mm) 4 Rate of change (%) Rate of change (%) Number of Relays Operations (× 10 Operations Number of contacts 卐 - P P9EC-C P9EC-C 9EC-C M MADE IN J MADE IN J ADE IN JA A AP P PA A AN N N >PC< >PC< >PC< G9EC-1 DC Power Relays (200-A Models) ■Dimensions (Unit: mm) Terminal Arrangement/ ●Models with Screw Terminals Internal Connections G9EC-1-B (TOP VIEW) 1 (+) 7 32 44 2-M3.5 2 (−) 2 78 28.6 72 Note: Be sure to connect terminals with the correct Two, 6.2-dia. holes polarity. Coils do not have polarity. 86 98 Mounting Hole Dimensions (TOP VIEW) Two, M6 or 6.5-dia. holes 2-M8 26 26.7 2(−) 1(+) G9EC-1-B 86.7 78 CONTACT: 68.6 ±0.1 86 12VDC 200A 400VDC MADE IN JAPAN (Terminal 44.2 height) (Coil Lot No. 1362K1-0001 terminal height) Dimension (mm) Tolerance (mm) 10.5 10 or lower ±0.3 10 to 50 ±0.5 50 or higher ±1 ±0.1 32 Terminal Arrangement/ ●Models with Lead Wires Internal Connections G G9EC-1 (TOP VIEW) 9 1 (+) E 32 44 C 1 2 (−) 2 78 28.6 Note: Be sure to connect terminals with the correct 72 Two, 6.2-dia. holes polarity. Coils do not have polarity. 86 98 Mounting Hole Dimensions (TOP VIEW) Two, M6 or 6.5-dia. holes 2-M8 26 230±20 26.7 (10) 2(−) 1(+) 86.7 78 G9EC-1 68.6 ±0.1 CONTACT: 86 12VDC 200A 400VDC MADE IN JAPAN (Terminal height) Lot No. 1362K1-0001 Dimension (mm) Tolerance (mm) 10 or lower ±0.3 10.5 10 to 50 ±0.5 50 or higher ±1 ±0.1 32 ■Options (Unit: mm) ●Terminal Cover P9EC-C * Dimensions of cutout for wiring. Note: Be sure to remove the cutouts 44 for wiring that are located in the wiring outlet direction before installing the Terminal Cover. * * 20 18 18 30 Dimension (mm) Tolerance (mm) * * * 28 28 27 10 or lower ±0.3 38 10 to 50 ±0.5 74 44 50 or higher ±1 4 2(−) 1(+) G9EC-1-B CONTACT: 12VDC 200A 400VDC MADE IN JAPAN Lot No. 1362K1-0001 2(−) 1(+) G9EC-1-B CONTACT: 12VDC 200A 400VDC MADE IN JAPAN Lot No. 1362K1-0001 > >PC< >PC< PC< M M MA A AD D DE E E IN IN IN J J JA A AP P PA A AN N N P9EC-C P9EC-C P9EC-C - G9EC-1 DC Power Relays (200-A Models) G 9 E C 1 • Application examples provided in this document are for reference only. In actual applications, confirm equipment functions and safety before using the product. • Consult your OMRON representative before using the product under conditions which are not described in the manual or applying the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, safety equipment, and other systems or equipment that may have a serious influence on lives and property if used improperly. Make sure that the ratings and performance characteristics of the product provide a margin of safety for the system or equipment, and be sure to provide the system or equipment with double safety mechanisms. Note: Do not use this document to operate the Unit. OMRON Corporation Electronic and Mechanical Components Company Contact: www.omron.com/ecb Cat. No. J188-E1-02 0316(0207)(O) 5