New Product Power Relays G7Z Compact Electromagnetic Contactors That Switch 40 A at 440 VAC • One pole carries 40 A. UL 508 and UL 840 NC contacts (resistive 40 A 480 VAC, 60 Hz, 80,000 operations). EN 60947-4-1 NC contacts (AC1 40 A 440 VAC, 50/60 Hz, 80,000 operations). • Ideal for supply power to industrial inverters, servo drivers, and other devices, and switching power to motors and other equipment. • The maximum load capacity of 160 A when using 4-pole parallel connections. • EN 60947-4-1 certification for mirror contact mechanism obtained by combining the Relay with an Auxiliary Contact Block. • Conforms to European PV standard (VDE0126). • Approx. 30% less operation noise than a standard electromagnetic contactor.* (Approx. 100 dB reduced to approx. 70 dB.) • Approx. 50% the volume of a standard electromagnetic contactor* to help downsize control panels. * According to OMRON investigation of IIEC-AC1 50 A specifications. Be sure to read the Safety Precautions on page 6 and the “Precautions for All Relays with Forcibly Guided Contacts”. For the most recent information on models that have been certified for safety standards, refer to your OMRON website. Model Number Structure Model Number Legend Relay with Auxiliary Contact Block Relay G7Z-@-@@ G7Z-@ 1 1 2 3 1. Relay Contact Configuration 4A: 4PST-NO 3A1B: 3PST-NO/SPST-NC 2A2B: DPST-NO/DPST-NC 2. Contact Configuration of Auxiliary Contacts 20: DPST-NO 11: SPST-NO/SPST-NC 02: DPST-NC 3. Contact Mechanism of Auxiliary Contacts Z: Bifurcated crossbar contact 1. Contact Configuration 4A: 4PST-NO 3A1B: 3PST-NO/SPST-NC 2A2B: DPST-NO/DPST-NC Auxiliary Contact Block G73Z-@@ 1 2 1. Contact Configuration of Auxiliary Contacts 20: DPST-NO 11: SPST-NO/SPST-NC 02: DPST-NC 2. Contact Mechanism of Auxiliary Contacts Z: Bifurcated crossbar contact Ordering Information When your order, specify the rated voltage. Relay with Auxiliary Contact Block Relay with Auxiliary Contact Block (for Screw Terminals) Structure Classification Relay with Auxiliary Contact Block 4 poles + 2 poles Contact configuration Auxiliary Contact Relay Block DPST-NO 4PST-NO SPST-NO/SPST-NC DPST-NC DPST-NO 3PST-NO/SPST-NC SPST-NO/SPST-NC DPST-NC DPST-NO DPST-NO/DPST-NC SPST-NO/SPST-NC DPST-NC Rated Voltage Model 12, 24 VDC G7Z-4A-20Z G7Z-4A-11Z G7Z-4A-02Z G7Z-3A1B-20Z G7Z-3A1B-11Z G7Z-3A1B-02Z G7Z-2A2B-20Z G7Z-2A2B-11Z G7Z-2A2B-02Z Note: 1. Relay contact terminals are M5, and the coil terminals are M3.5. 2. Auxiliary contact block terminals are M3.5. 3. When placing an order, specify the model number and rated supply voltage (12 VDC or 24 VDC). 1 G7Z Relay Structure Contact configuration Classification Rated Voltage Model 4PST-NO Relay 4 poles G7Z-4A 3PST-NO/SPST-NC 12, 24 VDC G7Z-3A1B DPST-NO/DPST-NC G7Z-2A2B Note: 1. Relay contact terminals are M5, and the coil terminals are M3.5. 2. When placing an order, specify the model number and rated supply voltage (12 VDC or 24 VDC). Accessories (Order Separately) Auxiliary Contact Block Classification Structure Contact Configuration Auxiliary Contact Block 2 poles Model DPST-NO G73Z-20Z SPST-NO/SPST-NC G73Z-11Z DPST-NC G73Z-02Z Specifications Ratings Coil Item Rated current (mA) Coil resistance (Ω) 12 VDC 308 39 24 VDC 154 156 Rated voltage Must operate voltage Must release voltage Maximum voltage Power consumption (W) Percentage of rated voltage 75% max. 10% min. 110% Approx. 3.7 Note: 1. Rated current and coil resistance were measured at a coil temperature of 23°C with coil resistance of ±15%. 2. Operating characteristics were measured at a coil temperature of 23°C. 3. The maximum allowable 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. There is, however, no continuous allowance. Contacts Relay Auxiliary Contact Block Model Load Item G7Z-4A-@Z, G7Z-3A1B-@Z, G7Z-2A2B-@Z Model Inductive load cosφ = 0.3 Load Resistive load Contact structure Double break Contact material Ag alloy 40 A at 440 VAC 22 A at 440 VAC 5 A at 110 VDC NC 25 A at 440 VAC 10 A at 440 VAC 5 A at 110 VDC NO 40 A * NC 25 A Maximum contact voltage 480 VAC 5A Maximum contact current NC 25 A 10 A 5A Maximum switching capacity NO 17,600 VA 9,680 VA 550 W NC 11,000 VA 4,400 VA 550 W 2 A at 24 VDC Note: The ratings for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block. * Set of Relay and Auxiliary Contact Block: 45 to 60°C; for the continuous carry current, reduce 40 A by 0.7 A/°C. 2 Rated load Inductive load cosφ = 0.3 Au clad + Ag 1 A at 440 VAC 0.5 A at 440 VAC 0.5 A at 110 VDC 1A Maximum contact voltage Failure rate P value (reference value) Resistive load L/R = 1 ms Double break Rated carry current Maximum switching capacity 125 VDC 22 A Contact structure Maximum contact current NO Failure rate P value (reference value) 40 A Item Resistive load Contact material NO Rated load Rated carry current Resistive load L/R = 1 ms G73Z-20Z, G73Z-11Z, G73Z-02Z 480 VAC 1A 440 VA 125 VDC 0.5 A 220 VA 1 mA at 5 VDC 55 W G7Z Characteristics Relay *5 Auxiliary contact block G7Z-4A-@Z, G7Z-3A1B-@Z, G7Z-2A2B-@Z G73Z-20Z, G73Z-11Z, G73Z-02Z Classification Item Model Contact resistance *1 400 mΩ max. Operating time *2 50 ms max. Release time *2 100 mΩ max. 50 ms max. Maximum operating frequency Mechanical 1,800 operations/h Rated load 1,200 operations/h Between coil and contacts 4,000 VAC, 50/60 Hz for 1 min Between contacts of different polarity 4,000 VAC, 50/60 Hz for 1 min Between contacts of the same polarity 2,000 VAC, 50/60 Hz for 1 min Between coil and contacts 10 kV, 1.2 × 50 µs Between contacts of different polarity 10 kV, 1.2 × 50 µs Between contacts of the same polarity 4.5 kV, 1.2 × 50 µs Destruction 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) Malfunction NO: 10 to 55 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) NC: 10 to 32 to 10 Hz, 0.5-mm single amplitude (1.0-mm double amplitude) Destruction Screw mounting: 700 m/s2, DIN Track mounting: 500 m/s2 Malfunction NO: 100 m/s2 NC: 25 m/s2 Mechanical 1,000,000 operations min. (at 1,800 operations/h, contact no load) Electrical *4 AC resistive load: 80,000 operations AC inductive load: 80,000 operations DC resistive load: 100,000 operations (at 1,200 operations/h, rated load) Insulation resistance *3 Dielectric strength Impulse withstand voltage Vibration resistance Shock resistance Durability 1,000 MΩ min. --- --- Failure rate (P level) (reference value) *6 2 A at 24 VDC Ambient operating temperature −25 to 60°C (with no icing or condensation) Ambient operating humidity 5% to 85% Weight Approx. 330 g 1 mA at 5 VDC Approx. 18 g Note: The above values are initial values. *1. The contact resistance for the Relay (G7Z) was measured with 1 A at 5 VDC using the voltage drop method. The contact resistance for the auxiliary contact block (G73Z) was measured with 0.1 A at 5 VDC using the voltage drop method. *2. The operate time was measured with the rated voltage imposed with any contact bounce ignored at the ambient temperature of 23°C. *3. The insulation resistance was measured with a 1,000-VDC megohmmeter applied to the same places as those used for checking the dielectric strength. *4. The electrical endurance was measured at an ambient temperature of 23°C. *5. The specifications for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block. *6. The failure rate is based on an operating frequency of 1,800 operations/h. Approved Standards UL Standard: UL508, UL840 (File No. E41643) Model Coil ratings Contact ratings NO contact G7Z 40 A, 480 VAC, 60 Hz (Resistive) 80,000 5 A, 120 VDC (Resistive) 100,000 22 A, 480 VAC, 60 Hz (General Use) 100,000 D300* (1-A current applied) 12, 24 VDC NC contact Number of test operations 25 A, 480 VAC, 60 Hz (Resistive) 5 A, 120 VDC (Resistive) 10 A, 480 VAC, 60 Hz (General Use) D300* (1-A current applied) --- CSA Standard: CSA Certification by : CSA C22.2 No. 14 CCC Certification (File No.2009010304361493) GB14048.4 EN Standard/TÜV Certification: EN 60947-4-1 (Certification No. R50079155) Model Coil ratings 100,000 G7Z G73Z NO contact NC contact AC-1: 25 A, 440 V, 50/60 Hz DC-1: 5 A, 110 V *AC-15: 0.5 A, 440 V, 50/60 Hz *DC-13: 0.5 A, 110 V 12, 24 VDC --- * Auxiliary contact ratings Model Contact ratings AC-1: 40 A, 440 V, 50/60 Hz AC-3: 16 A, 440 V, 50/60 Hz DC-1: 5 A, 110 V *AC-15: 0.5 A, 440 V, 50/60 Hz *DC-13: 0.5 A, 110 V Contact ratings NO contact NC contact D300 (1-A current applied) G73Z --- NO contact NC contact AC-15: 0.5 A, 440 V , 50/60 Hz DC-13: 0.5 A, 110 V * Auxiliary contact ratings < Reference > Information UL 508: Industrial control devices UL 840: Insulation coordination including clearance and creepage distance for electrical devices CSA C22.2 No. 14: Industrial control devices EN 60947-4-1: Contactors 3 G7Z Dimensions (Unit: mm) Dimensions Relay (12 VDC, 24 VDC) with Auxiliary Contact Block 4 Poles Mounting Hole Dimensions Two, M4 45 39±0.2 15 Four, M3.5 47 Eight, M5 92 84 75.7 Two, M3.5 70.7 60 51.5 62 Note: The dimensions are typical values. Relay (12 VDC, 24 VDC) 4 Poles Mounting Hole Dimensions Two, M4 62 45 23 39±0.2 6 11 9.25 14.5 14.5 14.5 12.5 8-M5 2-M3.5 70.7 60 51.5 20.5 Note: The dimensions are typical values. Contact Block Auxiliary DIN Track Mounting Height (when using the PFP-100N or PFP-50N mounting rail) 15 13 47 32.2 24.2 30 Four, M3.5 15.7 96.3 88.3 75.0 11 15 Note: The dimensions are typical values. 4 64.3 Note: The dimensions are typical values. G7Z Terminal Arrangement/Internal Connections Relay with Auxiliary Contact Block G7Z-4A-20Z G7Z-4A-11Z G7Z-4A-02Z 62 5 7 A1 1 3 5 7 A1 1 3 5 7 A2 2 4 6 8 A2 2 4 6 8 A2 2 4 6 8 54 63 62 52 61 53 3 53 54 61 51 64 A1 1 Note: The coil has no polarity. Note: The coil has no polarity. Note: The coil has no polarity. G7Z-3A1B-20Z G7Z-3A1B-11Z G7Z-3A1B-02Z 53 54 63 64 53 54 61 62 51 52 61 62 A1 1 3 5 21 A1 1 3 5 21 A1 1 3 5 21 A2 2 4 6 22 A2 2 4 6 22 A2 2 4 6 22 Note: The coil has no polarity. Note: The coil has no polarity. Note: The coil has no polarity. G7Z-2A2B-20Z G7Z-2A2B-11Z G7Z-2A2B-02Z 53 54 63 64 53 54 61 62 51 52 61 62 A1 1 3 11 21 A1 1 3 11 21 A1 1 3 11 21 A2 2 4 12 22 A2 2 4 12 22 A2 2 4 12 22 Note: The coil has no polarity. Note: The coil has no polarity. Note: The coil has no polarity. G73Z-11Z G73Z-02Z Auxiliary Contact Block G73Z-20Z 53 54 63 64 53 54 61 62 51 52 61 62 5 G7Z Safety Precautions Be sure to read the precautions “Precautions for All Relays” and “Precautions for All Relays with Forcibly Guided Contacts” in the website at:http://www.ia.omron.com/. Indication and Meaning for Safe Use WARNING Indicates a potentially hazardous situation which, if not avoided, will result in minor or moderate injury, or may result in serious injury or death. Additionally there may be significant property damage. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage. Precautions for Correct Use • Do not use the Relay with the terminal screw surfaces facing down. Terminal screw surface • To mount the Relay, secure M4 screws in two locations. Use a screw-tightening torque of 1.2 to 1.3 N·m. Supplementary comments on what to do or avoid doing, to prevent failure to operate, or undesirable effect on product performance. 39 mm Meaning of Product Safety Symbols Indicates unspecified general alert (Can be used as Alert Symbol, too) Indicates the possibility of electric shock under specific conditions. Indicates the possibility of injuries by high temperature under specific conditions. !WARNING Take measures to prevent contact with charged parts when using the Relay for high voltages. • The Relay can be mounted directly on a mounting rail (PFP) or a DIN Track (EN 50022-35 × 7.5, 15). The Relay cannot be mounted, however, to some reinforced rails (e.g., those produced by Kameda Denki or Toyogiken). • Mount the Relay sideways when it is mounted on a rail. • Use End Plates (PFP-M) on both sides of the Relay to make sure that it is properly secured. Up !CAUTION Do not touch the terminal section (charged parts) when power is being supplied. Always use the Relay with terminal covers mounted. Contact with charged parts may result in electric shock. Do not touch the Relay when power is being supplied or right after the power has been turned OFF. The hot surface may cause burn injury. DIN Track (35 mm) • Provide at least 5 mm of space between the sides and top of the Relay and nearby grounded metal surfaces. 5 mm min. Precautions for Correct Use Installation Grounded metal surface • Mount the G7Z with the coil terminal at the top. Up 5 mm min. Coil terminal 5 mm min. • Provide at least 30 mm of space between Relays when two or more Relays are mounted in a row. 30 mm min. • The auxiliary contact block (G73Z) can be mounted on the Relay. 6 G7Z Mounting and Removal Mounting Recommended Crimp Terminals and Wire Insert the tab on the auxiliary contact block into the groove on the Relay and press down until the hook on the auxiliary contact block catches in the mounting hole on the Relay. (1) Hook Location Tab (2) Coil section Removing Appropriate wire size 5.5-5 2.63 to 6.64 mm2 (AWG12, 10) 8-5 6.64 to 10.52 mm2 (AWG8) 1.25-3.5 0.5 to 1.65 mm2 (AWG20 to 16) • Use the following tightening torque when tightening screws. Loose screws may result in fire caused by abnormal heat generated when the power is being supplied. M5 screws: 2.0 to 2.2 N·m M3.5 screws: 0.8 to 0.9 N·m • Allow suitable slack on leads when wiring, and do not subject the terminals to excessive force. (1) Slide the auxiliary contact block, remove the auxiliary contact block tab from the groove on the Relay, and remove the auxiliary contact block hook from the Relay. Be careful not to apply excessive force on the hook. Contact section Crimp terminals Tab (2) Hook Microloads The G7Z is used for switching power loads, such as current carry for device power supplies and heater loads. Use an auxiliary contact block (G73Z) if microloads are required for signal applications and operation status feedback. Coil (Internal Connections of Coils) DC Coil A2 Connecting • Use round or open-end (Y-type) crimp terminals and connect the terminals with the appropriate tightening torque. Refer to the terminal section space in the following figure for the crimp terminal dimensions. Relay Contacts (Unit: mm) 14.5 12.5 11 6 6 M5 Relay Coil 6.8 4.3 M3.5 A1 • If a transistor drives the G7Z, check the leakage current and connect a bleeder resistor if necessary. • The must operate voltage is the minimum value for the Relay armature to operate and the contacts to turn ON. Therefore, fundamentally apply the rated voltage to the coils, taking into consideration the increases in coil resistance caused by voltage fluctuation and coil temperature rise. • Counter-electromotive voltage generated by the coil when the coil is OFF may destroy semiconductor elements or cause malfunctions. Attach surge-absorbing diodes to both ends of the coil as a countermeasure. Particularly, when driving G7Z with semiconductor elements, always attach the surge-absorbing diodes. Note that the relay reset time will be extended, so always use after verifying implementation under actual usage conditions. Use surge-absorbing diodes with a minimum of 600 V reverse voltage resistance, and a forward current of approximately 1A. G7Z does not have coil polarity so attach surge-absorbing diodes so that the polarity is reverse to the applied voltage of the coil. + Auxiliary Contact Block G7Z 9.5 6.8 5.5 5.5 M3.5 • One crimp terminal can be used for the Relay contact section (M5 screw). Two crimp terminals can be connected for the coil terminal and auxiliary contact block. 7 G7Z Mirror Contact Mechanism By combining a Relay with an auxiliary contact block, all NC contacts of the auxiliary contact block will satisfy an impulse withstand voltage of 2.5 kV or higher or maintain a gap of 0.5 mm or greater when the coil is de-energized even if at least one NO contact (main contact) of the Relay is welded. Description of Mirror Contact Mechanism Impulse withstand voltage: 2.5 kV min. or contact separation (a + b): 0.5 mm min. a b Auxiliary contact block Relay NC NO NC NO NO NO Contact welding Safety Function with Mirror Contacts EN 60947-4-1 certification for mirror contact mechanisms has been obtained by using a combination of a relay and auxiliary contact blocks (5 VDC, 1 mA), enabling application in feedback circuits of safety circuits. Application Example: General Safety Circuit G9SA-301 (24-V AC/DC) (two limit switch input channels with manual reset) Feedback circuit Feedback loop TH SA 8 Terms and Conditions Agreement Read and understand this catalog. Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. Warranties. (a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied. (b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. 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Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. Programmable Products. Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof. Performance Data. Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability. Change in Specifications. Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to confirm actual specifications of purchased Product. Errors and Omissions. Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions. OMRON Corporation Industrial Automation Company Authorized Distributor: Kyoto, JAPAN Contact: www.ia.omron.com Regional Headquarters OMRON EUROPE B.V. Wegalaan 67-69, 2132 JD Hoofddorp The Netherlands Tel: (31)2356-81-300/Fax: (31)2356-81-388 OMRON ELECTRONICS LLC 2895 Greenspoint Parkway, Suite 200 Hoffman Estates, IL 60169 U.S.A. Tel: (1) 847-843-7900/Fax: (1) 847-843-7787 OMRON ASIA PACIFIC PTE. LTD. No. 438A Alexandra Road # 05-05/08 (Lobby 2), Alexandra Technopark, Singapore 119967 Tel: (65) 6835-3011/Fax: (65) 6835-2711 OMRON (CHINA) CO., LTD. Room 2211, Bank of China Tower, 200 Yin Cheng Zhong Road, PuDong New Area, Shanghai, 200120, China Tel: (86) 21-5037-2222/Fax: (86) 21-5037-2200 © OMRON Corporation 2006-2016 All Rights Reserved. In the interest of product improvement, specifications are subject to change without notice. Cat. No. J160-E1-02 0316(0306)