OMRON ELECTRONIC COMPONENTS G9EN-1DC24

New Product News DC Power Relays G9EN-1 DC Power Relays that Enable DC Load Interruption at High Voltage and Current • Enable downsizing, weight saving, and non-polarization in the main contact circuit (contact terminal) by using proprietary design of the contact block.  Contributes to improvements in the ease of wiring and mounting, and error-proofing against faulty wiring.  Class’ smallest: H50 mm × W28 mm × L40 mm Class’ lightest: approx. 140 g. Accomplished half-size reduction in volume and weight when compared to Omron's same class product (400 VDC, 60 A). * *Omron’s internal investigation of August 2012 RoHS Compliant Refer to the Precautions on page 4. Model Number Structure 1. Number of Poles 3. Coil Terminals G9EN-@-@-@-@-@ — — — — — 1: 1 pole Blank: Lead wire output 1 2 3 4 5 2. Contact Form 4. Approved standard Blank: SPST-NO Blank: Standard UVD: UL/CSA/VDE approved standard type 5. Special Functions Ordering Information Terminals Models Contact form Rated coil voltage Model Coil terminals Contact terminals 12 VDC Switching/current conduction models Lead wire Screw terminals SPST-NO G9EN-1 (-UVD) 24 VDC Note: Two M4 screws are provided for the contact terminal connection. Ratings ● Coil Rated voltage Rated current Coil resistance Must-operate voltage Must-release voltage Maximum voltage(See note 3) Power consumption 12 VDC 417 mA 28.8 Ω 60% max. of rated 130% of rated voltage 5% min. of rated voltage Approx. 5 W voltage (at 23°C within 10 minutes) 24 VDC 208 mA 115.2 Ω 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 Item Resistive load Rated load 60 A at 400 VDC Rated carry current 60 A Maximum switching voltage 400 V Maximum switching current 60 A 1 G9EN-1 DC Power Relays Characteristics Item G9EN-1 Contact voltage drop 0.1 V max. (for a carry current of 60 A) Operate time 40 ms max. Release time 20 ms max. Between coil and contacts 1,000 MΩ min. Insulation resistance *1 Between contacts of the same polarity 1,000 MΩ min. Between coil and contacts 2,500 VAC 1 min Dielectric strength Between contacts of the same polarity 2,500 VAC 1 min Impulse withstand voltage *2 4,500 V 2 Destruction 5 to 200 to 5 Hz, Acceleration: 44.1 m/s Vibration resistance *3 2 Malfunction 5 to 200 to 5 Hz, Acceleration: 44.1 m/s 2 Destruction 490 m/s 2 Shock resistance Energized 490 m/s Malfunction 2 Deenergized 98 m/s Mechanical endurance *4 200,000 min. Electrical endurance *5 *6 400 VDC, 60 A, 3,000 ops. min. Short-time carry current 180 A (1 min) Maximum interruption current *6 500 A at 400 VDC (3 times) Overload interruption *6 250 A at 400 VDC (200 times min.) Ambient operating temperature -40 to 85°C (with no icing or condensation) Ambient operating humidity 5% to 85% Weight Approx. 140 g Note: The above values are initial values at an ambient temperature of 23°C unless otherwise specified. *1. The insulation resistance was measured with a 500-VDC megohmmeter. *2. The impulse withstand voltage was measured with a JEC-212 (1981) standard impulse voltage waveform (1.2 × 50 µs). *3. The Upper limit of double amplitude: 10 mm P-P *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. *6. The switching performance and interruption performance were measured with a Zener diode and normal diode connected to absorb coil surge. These performances will be lower if only a normal diode is used. Engineering Data ● Maximum Switching Capacity* ● Electrical Endurance ● Electrical Endurance (Switching Performance)* (Interruption Performance)* 10 1,000 1,000 5 500 500 3 300 300 1 0.5 100 100 0.3 50 50 0.1 30 30 0.05 0.03 10 10 0.01 5 5 0.005 3 3 0.003 1 1 0.001 10 30 50 100 300 500 1,000 10 30 50 100 300 500 1,000 10 30 50 100 300 500 1,000 Switching current (A) Switching voltage (V) Switching current (A) ● Carry Current vs. Energizing Time ● Must-operate Voltage and Must-release Voltage ● Time Characteristic Distributions Distributions (Number of Contacts × Time (ms)) (Number of Relays × Percentage of Rated Voltage) 30 30 100,000 Must-operate Voltage Operate time Must-release Voltage Release time 25 25 10,000 20 20 1,000 15 15 100 10 10 10 5 5 1 0 20 40 60 80 100 0 3 6 9 12 15 10 30 50 100 300 500 1,000 Percentage of rated voltage (%) Time (ms) Carry current (A) * The switching performance and interruption performance were measured with a Zener diode and normal diode connected to absorb coil surge. These performanc- es will be lower if only a normal diode is used. 2 Energizing time (s) Switching current (A) Operations (×10,000) Number of Relays Operations Number of Contacts G9EN-1 DC Power Relays ● Vibration Malfunction ● Vibration Resistance ● Shock Malfunction 60 10.0 Must-operate Voltage Z´ Y 8.0 Z 500 Must-release Voltage 50 Unconfirmed area X´ Y 6.0 400 X Y´ 300 4.0 X Z 40 200 2.0 100 30 0.0 Confirmed area −2.0 100 20 200 −4.0 Deenergized Z´ X´ 300 −6.0 10 400 Energized −8.0 500 0 −10.0 Y´ 11 3 503050 100 300 500 1000 Start After test The value at which malfunction occurred Frequency (Hz) Characteristics were measured after applying vibration was measured after applying shock to the at a frequency of 5 to 200 to 5Hz, acceleration of test piece 3 times each in 6 directions along 2 44.1 m/s to the test piece (not energized) for 2 hours 3 axes. each in 3 directions. The percentage rate of change is the average value for all of the samples. Note: The Upper limit of double amplitude: 10 mm P-P ● Shock Resistance 10.0 Must-operate Voltage 8.0 Must-release Voltage 6.0 4.0 2.0 0.0 −2.0 −4.0 −6.0 −8.0 −10.0 Start After test Characteristics were measured after applying a shock 2 of 490 m/s to the test piece 3 times each in 6 directions along 3 axes. The percentage rate of change is the average value for all of the samples. Dimensions (Unit: mm) G9EN-1 Terminal Arrangement/ Mounting Hole Two, M4 Internal Connections Dimensions (Thread depth of Two, 5.5-dia holes screw terminal: 44 (TOP VIEW) (TOP VIEW) 6mm minimum.) 15 Two, M5 or 5.5-dia holes 11 17 1 40 ±0.1 53 53 2 64 78 (10) Dimension (mm) Tolerance (mm) ±0.1 17 50 44.7 ±10 10 or lower ±0.3 120 10 to 50 ±0.5 7.5 50 or higher ±1 28 Approved standards UL Recognized: File No.E41515 CSA Certified: File No.LR31928 VDE Certified: File No.40037488 Model Coil ratings Contact ratings Pollution level Model Coil ratings Contact ratings Pollution level 60 A 500 VDC (Resistive) G9EN-1-UVD 12 V, 24 V 60 A 500 VDC (Resistive) 2 G9EN-1-UVD 12 V, 24 V 2 60 A 277 VAC (Resistive) 3 Rate of change (%) 2 Acceleration (m/s ) Rate of change (%) G9EN-1 DC Power Relays Precautions WARNING Take measures to prevent contact with charged parts when using the Relay for high voltages. Precautions for Correct Use Refer to the relevant catalog for common precautions. 9. Ensure that a voltage exceeding the specified maximum volt- 1. Be sure to tighten all screws to the appropriate torque given age is not continuously applied to the coil. Abnormal heating below. Loose screws may result in burning due to abnormal in the coil may shorten the lifetime of the insulation coating. heat generation during energization. 10.Do not use the Relay at a switching voltage or current greater  M5 screws: 1.57 to 2.35 N·m than the specified maximum values. Doing so may result in  M4 screws: 0.98 to 1.37 N·m arc discharge interruption failure or burning due to abnormal 2. Do not drop or disassemble this Relay. Not only may the heating in the contacts. Relay fail to meet the performance specifications, it may also 11.The contact ratings are for resistive loads. The electrical result in damage, electric shock, or burning. endurance with inductive loads is inferior to that of resistive 3. Do not use these Relays in strong magnetic fields of 800 A/m loads. Confirm correct operation under the actual operating or higher (e.g., near transformers or magnets). The arc dis- conditions. charge that occurs during switching may be bent by the mag- 12.Do not use the Relay in locations where water, solvents, netic field, resulting in flashover or insulation faults. chemicals, or oil may come in contact with the case or termi- 4. This Relay is a device for switching high DC voltages. If it is nals. Doing so may result in deterioration of the case resin or used for voltages exceeding the specified range, it may not abnormal heating due to corrosion or contamination of the be possible to interrupt the load and burning may result. In terminals. Also, if electrolyte adheres to the output terminals, order to prevent fire spreading, use a configuration in which electrolysis may occur between the output terminals, result- the current load can be interrupted in the event of emergen- ing in corrosion of the terminals or wiring disconnections. cies. 13.Be sure to turn OFF the power and confirm that there is no In order to ensure safety of the system, replace the Relay on residual voltage before replacing the Relay or performing wir- a regular basis. ing. 5. If the Relay is used for no-load switching, the contact resis- 14.The distance between crimp terminals or other conductive tance may increase and so confirm correct operation under parts will be reduced and insulation properties will be lowered the actual operating conditions. if wires are laid in the same direction from the contact termi- 6. These Relays contain pressurized gas. Even in applications nals. Use insulating coverings, do not wire in the same direc- with low switching frequencies, the ambient temperature and tion, and take other measures as required to maintain heat caused by arc discharge in the contacts may allow per- insulation properties. meation of the sealed gas, resulting in arc interruption failure. 15.Use either a varistor, or a diode plus Zener diode as a protec- In order to ensure safety of the system, replace Relays on a tive circuit against reverse surge in the relay coil. Using a regular basis. diode alone will reduce the switching characteristics. 7. With this Relay, if the rated voltage (or current) is continu- 16.Be sure to use the screws provided with the product for wiring ously applied to the coil and contacts, and then turned OFF coil terminals and contact terminals. The specified tightening and immediately ON again, the coil temperature, and conse- torque cannot be achieved with different screws and may quently the coil resistance, will be higher than usual. This result in abnormal heat generation when energized. means that the must operate voltage will also be higher than usual, exceeding the rated value (“hot start”). In this case, Recommended Wire Size take the appropriate countermeasures, such as reducing the Model Size 2 load current or restricting the energizing time or ambient G9EN-1 14 to 22 mm operating temperature. Note: Use flexible leads. 8. The ripple percentage for DC relays can cause fluctuations in the must-operate voltage or humming. For this reason, reduce the ripple percentage in full-wave rectified power sup- ply circuits by adding a smoothing capacitor. Ensure that the ripple percentage is less than 5%.  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. J190-E1-09 1115 (0812) (O)