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| General Purpose Relay s s s G7J s s Ideal for 3-phase motor control applications and resistive and inductive loads No contact chattering for momentary voltage drops up to 50% of rated voltage Withstands more than 4 kV between contacts that are of different polarity and between the coil and contacts Flame-resistant materials (UL94V-0) used for all insulation Push-to-test button on all models lets user check contact operation Ordering Information To Order: Select the part number and add the desired coil voltage rating (e.g., G7J-3A1B-B-AC100/120). Part number Quick-connect terminal -- -- -- G7J-4A-T G7J-3A1B-T G7J-2A2B-T Type PCB mounting W-bracket (see note) Contact form 4PST-NO 3PST-NO/SPST-NC DPST-NO/DPST-NC 4PST-NO 3PST-NO/SPST-NC DPST-NO/DPST-NC Screw terminal -- -- -- G7J-4A-B G7J-3A1B-B G7J-2A2B-B PCB terminal G7J-4A-P G7J-3A1B-P G7J-2A2B-P Note: The G7J-B relays require a W-bracket for mounting. Order the bracket separately below. To order a relay and bracket packed together, add "-W1" to the part number before the coil voltage suffix. For example, G7J-2A2B-B-W1-AC100/120. s ACCESSORIES Types W-brackets Applicable relays G7J-4A-B, G7J-3A1B-B, G7J-2A2B-B Part number R99-04-FOR-G5F s TYPICAL APPLICATIONS Compressors for air conditioners and heater switching controllers. Switching controllers for power tools or motors. Lamp controls, motor drivers, and power supply switching controllers in copy machines, facsimile machines, and other office equipment. Power controllers for packers or food processing equipment. Power controllers for inverters. G7J G7J Specifications s CONTACT DATA Resistive load (p.f. = 1) NO NC 25 A, 220 VAC (24 A, 230 VAC), 25 A, 30 VDC 8 A, 220 VAC (7.5 A, 230 VAC), 8 A, 30 VDC 25 A 8A 250 VAC,125 VDC 25 A 8A 5,500 VA, 750 W DC 1,760 VA, 240 W DC 100 mA, 24 VDC at 120 operations/minute, 23C (73F) ambient temperature) Load Rated load Rated carry current Max. switching voltage Max. switching current Max. switching capacity Min. permissible load s COIL DATA AC Coil voltage 24 50 100/120 200/240 DC Coil voltage 12 24 48 100 110 Rated voltage (VDC) 12 24 48 100 110 Rated current (mA) 167 83 42 20 18 Coil resistance () 72 288 1150 5000 6050 Must operate Must release % of rated voltage 75% max. 10% min. Max. voltage 110% Power consumption Approx. 2.0 W Rated voltage (VAC) 24 50 100 to 120 200 to 240 Rated current (mA) 75 36 18 to 21.60 9 to 10.80 Coil resistance () -- -- -- -- Must operate Must release % of rated voltage 75% max. 15% min. 75 volts 150 volts 18 volts 36 volts Max. voltage 110% 132 volts 264 volts Power consumption Approx.1.8 to 2.6 VA Note: 1. The rated current and coil resistance are measured at a coil temperature of 23C (73F) with tolerances of +15%/-20% for AC rated current and 15% for DC coil resistance. 2. Performance characteristic data are measured at a coil temperature of 23C (73F). 2 G7J s COIL INTERNAL CIRCUIT AC operating coil DC operating coil G7J A2 A1 A2 A1 The G7J incorporates a bridge rectifier circuit in the AC coil versions that prevents contact chatter or dropout during a voltage drop. This circuit allows the relays to withstand, with no vibration or shock, voltage drops to the coil of up to 50% of the rated coil voltage for one second maximum. As a rule, either a DC battery or a DC power supply with a maximum of 5% ripple must be used for the operating voltage for DC relays. Before using a rectified AC supply, confirm that the ripple is not greater than 5%. Ripple greater than this can lead to variations in the operating and reset voltages. As excessive ripple can generate pulses, the insertion of a smoothing capacitor is recommended as shown below. Smoothing capacitor Relay Ripple E min. E max. E mean DC fraction % of ripple = E max. - E min. x 100 E mean E max.: Maximum ripple E min.: Minimum ripple E mean: Mean DC voltage value When driving the coil with a transistor, check the leakage current and connect a bleeder resistor if necessary. s CHARACTERISTICS Contact resistance Operating time Release time Operating frequency Insulation resistance Dielectric strength 50 m max. 50 ms max. 50 ms max. 1,800 operations/hour max. 1,800 operations/hour max. 1,000 M minimum at 500 VDC 4,000 VAC, 50/60 Hz for 1 minute between coil and contacts 4,000 VAC, 50/60 Hz for 1 minute between contacts of different polarity 2,000 VAC, 50/60 Hz for 1 minute between contacts of the same polarity 10,000 V between coil and contact with 1.2 x 50 s impulse wave 10 to 55 Hz, 1.50 mm (0.06 in) double amplitude NO: 10 to 55 Hz, 1.50 mm (0.06 in) double amplitude NC: 10 to 26 Hz, 1.50 mm (0.06 in) double amplitude 1000 m/s2 (Approx. 100 G) NO: 100 m/s2 (Approx. 10 G) NC: 20 m/s2 (Approx. 2 G) 1 million operations minimum at 1,800 operations/hour 100,000 operations minimum at 1,800 operations/hour at rated load -25 to 60C (-13 to 140F) with no icing 35% to 85% RH Approx. 140 g (4.90 oz.) Approx. 165 g (5.80 oz.) Mechanical Electrical Impulse withstand voltage Vibration Mechanical durability Malfunction durability Shock Mechanical durability Malfunction durability Mechanical Electrical Operating Operating PCB terminal Screw terminal Service life Ambient temperature Humidity Weight Note: Data shown are of initial value. 3 G7J s CHARACTERISTIC DATA Maximum switching capacity Electrical service life G7J Switching voltage (V) Life expectancy (x 103 operations) Switching current (A) Switching current (A) Dimensions Unit: mm (inch) s RELAYS PCB Terminals with PCB Mounting G7J-4A-P, G7J-3A1B-P, G7J-2A2B-P Mounting holes (Bottom view) 30 (1.181) 16 (0.630) 1.4 (0.055) 0.8 (0.031) 6.4 (0.252) 1.4 (0.055) 6 (0.236) 210.1 (0.8270.004) 110.1 (0.4330.004) 33.5 (1.319) max. Twenty 1.8 (0.071) dia. 1.5 (0.059) 51 (2.008) max. 40.40.15 (1.5910.006) 11.60.1 (0.4570.004) 30.80.15 (1.2130.006) 21.20.1 (0.8270.004) 51.5 (2.028) max. 2 (0.079) 4 (0.157) 4 G7J Screw Terminals (requires W-bracket for mounting) G7J-4A-B, G7J-3A1B-B, G7J-2A2B-B Ten, M3.5 G7J Mounting holes (Bottom view) Two, 4.5 (0.177) dia. or M4 34.5 (1.358) max. 7.6 (0.299) 4.3 (0.169) 350.1 (1.3780.004) 55.2 (2.173) 43.2 (1.701) 64 (2.520) max. 51.5 (2.028) max. 2 (0.079) s ACCESSORIES W-Bracket for G7J-B Relays with Screw Terminals R99-04-FOR-G5F 35 (1.378) Two, M4 or 4.5 (0.177) dia. Mounting holes Two, M4 24 (0.945) 30 (1.181) 28 (1.102) 350.1 (1.3780.004) 9 (0.354) 29 (1.142) 7 (0.276) 44 (1.732) 4.4 (0.173) s TERMINAL ARRANGEMENT - INTERNAL CONNECTIONS G7J-4A-P(B) G7J-3A1B-P(B) G7J-2A2B-P(B) 5 G7J s APPROVALS UL 508 and 1950 (Recognized, File No. E41643)/CSA 22.2 No. 14 (Certified, File No. LR 35535) Contact arrangement Normally Open Load type Resistive General use G7J Tungsten Motor load Normally Closed TV Resistive General use Contact ratings 25 A, 277 VAC, 30,000 cycles 25 A, 30 VDC, 30,000 25 A, 120 VAC, 30,000 cycles 25 A, 277 VAC, 30,000 cycles 25 A, 240 VAC, 100,000 cycles 1.5 kW, 120 VAC 1.5 HP, 120 VAC 3 HP, 240/265/277 VAC 3-phase, 3 hp, 240/265/277 VAC, 30,000 cycles 3-phase, 5 hp, 240/ 265/277 VAC, 30,000 cycles 20 FLA/120 LRA, 120 VAC, 30,000 cycles 17 FLA/102 LRA, 277 VAC, 30,000 cycles TV-10, 120 VAC 8 A, 277 VAC, 30,000 cycles 8 A, 30 VDC, 30,000 cycles 8 A, 120 VAC, 30,000 cycles 8 A, 277 VAC, 30,000 cycles Note: 1. The rated values approved by each of the safety standards may be different from the performance characteristics individually defined in this catalog. 2. In the interest of product improvement, specifications are subject to change without notice. Precautions s HANDLING * To preserve performance, do not drop or otherwise subject the G7J relay to shock. * The case is not designated to be removed during normal handling and operation. Doing so may affect performance. * Use the power relay in a dry environment free from excessive dust, SO2, H2S, or organic gas. * Do not allow a voltage greater than the maximum allowable coil voltage to be applied continuously. * Do not use the relay outside of specified voltages and currents. * Do not allow the ambient operation temperature to exceed the specified limit. s CLEANING PCB TERMINALS PCB terminals have semi-sealed construction which prevents flux from penetrating into the relay base housing due to capillary action. This type of relay cannot be immersed for cleaning. s CONNECTION Refer to the diagram below when connecting a wire to the screw terminals on G7J. 7.6 (0.299) 7 (0.276) 8.8 (0.346) s INSTALLATION Although there are not specific limits on the installation site, it should be as dry and dust-free as possible. PCB terminal-equipped relays weigh approximately 140 g. Be sure that the PCB is strong enough to support them. OMRON recommends dual-side through-hole PCBs to reduce solder cracking from heat stress. 4.5 (0.177) M3.5 Allow suitable slack on leads when wiring, and do not subject the terminals to excessive force. Maximum tightening torque is 10 kgf-cm (72.50 ft-lbs). 6 G7J G7J OMRON ELECTRONICS, INC. One East Commerce Drive Schaumburg, IL 60173 OMRON CANADA, INC. 885 Milner Avenue Scarborough, Ontario M1B 5V8 1-800-55-OMRON Cat. No. GC RLY7 01/00 Specifications subject to change without notice. 416-286-6465 Printed in the U.S.A. 7 |
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