198 solid state relays G3NH solid state relays G3NH refer to warranty and application considerations (page 1), safety precautions (page 4), and technical and safety information (page 6). switching 75 to 150 a at 240 to 440 vac easy-to-mount monoblock construction incorporating heat sink. replaceable power cartridge. built-in operation indicator and varistor. a series of high-voltage (440 v) models available. model number structure model number legend 1. basic model name G3NH: solid state relay 2. rated load power supply voltage 2: 200 vac 4: 400 vac 3. rated load current 075: 75 a 150: 150 a 4. terminal type b: screw terminals 5. zero cross function blank: equipped with zero cross function ordering information list of models the built-in thyristor modules c an be replaced. refer to the table on page 200 for the model number. note: when ordering, specify the rated input voltage. 1 2 3 4 5 G3NH- @@@@ isolation zero cross function indicator rated output load rated input voltage model photocoupler yes yes 75 a at 100 to 240 vac 5 to 24 vdc 100 to 240 vac G3NH-2075b 75 a at 180 to 440 vac G3NH-4075b 150 a at 100 to 240 vac G3NH-2150b 150 a at 180 to 440 vac G3NH-4150b
solid state relays G3NH 199 specifications ratings (at an ambient temperature of 25 c) input *G3NH converts the input current into a constant current. output note: the load current varies depending on the ambient temperature. refer to load current vs. ambient temperature under engineering data for details. characteristics rated voltage operating voltage impedance (input current) voltage level must operate voltage must release voltage 5 to 24 vdc 4 to 30 vdc 5 ma max.* 4 vdc max. 1 vdc min. 100 to 240 vac 75 to 264 vac 41 k ? 20% 75 vac max. 20 vac min. model applicable load rated load voltage load voltage range load current (see note.) inrush current G3NH-2075b 100 to 240 vac 75 to 264 vac 1 to 75 a 800 a (60 hz, 1 cycle) G3NH-4075b 180 to 440 vac 150 to 484 vac G3NH-2150b 100 to 240 vac 75 to 264 vac 1 to 150 a 1,800 a (60 hz, 1 cycle) G3NH-4150b 180 to 440 vac 150 to 484 vac item G3NH-2075b G3NH-4075b G3NH-2150b G3NH-4150b operate time 1/2 of load power source cycle + 1 ms max. (dc input) 3/2 of load power source cycle + 1 ms max. (ac input) release time 1/2 of load power source cycle + 1 ms max. (dc input) 3/2 of load power source cycle + 1 ms max. (ac input) output on voltage drop 1.6 v (rms) max. leakage current 30 ma max. (at 200 vac) 60 ma max. (at 400 vac) 30 ma max. (at 200 vac) 60 ma max. (at 400 vac) insulation resistance 100 m ? min. (at 500 vdc) dielectric strength 2,500 vac, 50/60 hz for 1 min vibration resistance destruction: 10 to 55 to 10 hz, 0.375-mm single amplitude shock resistance destruction: 500 m/s 2 ambient temperature operating: ?30 c to 80 c (with no icing or condensation) storage: ?30 c to 100 c (with no icing or condensation) ambient humidity operating: 45% to 85% weight approx. 1.8 kg approx. 3.0 kg
200 solid state relays G3NH engineering data load current vs. ambient temperature one cycle surge current: non- repetitive note: keep the inrush current to half the rated value if it occurs repeatedly. input current vs. input impedance operation replacement parts g32a-n thyristor module if the thyristor module is damaged, replace it with a new one. G3NH- @ 075b, G3NH- @ 150b G3NH- @ 150b G3NH- @ 075b G3NH- @ 075b, G3NH- @ 150b 200 150 100 75 100 80 60 40 20 30 0 ? 20 ? 30 50 37 25 60 0 G3NH- @ 150b G3NH- @ 075b vertical mounting horizontal mounting vertical mounting horizontal mounting ambient temperature ( c) load current (a) inrush current (a. peak) energized time (ms) G3NH (75 to 264 vac) input current (ma) input voltage (v) input current (ma) input voltage (v) input impedance (k ? ) G3NH (4 to 30 vdc) input current impedance input current impedance input impedance (k ? ) name applicable load applicable relay model thyristor module 75 a at 75 to 264 vac G3NH-2075b g32a-n2075 75 a at 150 to 484 vac G3NH-4075b g32a-n4075 150 a at 75 to 264 vac G3NH-2150b g32a-n2150 150 a at 150 to 484 vac G3NH-4150b g32a-n4150
solid state relays G3NH 201 replacement be sure to turn off the power before replacement. 1. first, remove the four screws (shown below as ?a?) and the transparent protective cover from the relay housing and then disconnect the wiring. 2. remove the four screws (shown in the following as ?b?) and the nameplate from the relay housing. 3. remove the three screws (shown in the following as ?c?) from inside the housing and pull the base assembly up to detach. (the base assembly cannot be removed thoroughly because of the leads connected to the base.) 4. when the base assembly is detached, you will see the leads connected to the built-in thyristor module. pull the connector to disconnect the leads. at this point, if any defect exists in any of the electronic components on the pwb, the ssr may fail again even after the replacement of the built-in thyristor module. in such a case, consult omron about appropriate remedial action. 5. remove the two screws (shown in the following as ?d?) and take out the built-in thyristor module. assembly of the thyristor module must be performed in the exact reverse order of the previous disassembly steps 1 to 5. 6. before mounting the new thyristor module for replacement, wipe off the silicone grease adhering to the heat sink, keep clean the jointing surfaces of the heat sink and thyristor module, and apply the new grease (supplied as an accessory) to the jointing surfaces. secure the thyristor module to the heat sink with the two screws ?d? and tighten each screw to a torque of 2.45 to 2.94 nm. 7. connect the thyristor module to the pwb with the socket. (the socket may be inserted in either direction.) assemble the base assembly with the heat sink by aligning the pwb with the pwb securing groove and the protective cover with the protective cover securing groove, respectively, while exercising caution not to get any of the leads caught between the base assembly and the heat sink. 8. secure the base assembly with the three screws ?c?. because a large current flows into these screw parts, make sure that any of the screws is not clogged with foreign matter and tighten each screw to a torque of 4.41 to 4.90 nm. 9. check the assembled parts again for any lead caught between the base assembly and heat sink and for proper fitting of the pwb and protective cover into their respective securing grooves. then, replace the nameplate and secure it with the four screws ?b?. 10. complete the wiring and secure the protective cover with the four screws ?a?. 11. apply power to the relay and check the relay for proper operation. a a a a b b b b name plate c base connector protection cover pwb connecting to thyristor module protection cover securing groove d d pwb securing groove heat sink
202 solid state relays G3NH dimensions note: all units are in millimeters unless otherwise indicated. the orientation indicated by the external dimensions is not the correct mounting orientation. when opening mounting holes, refe r to the mounting hole dimensions. safety precautions precautions for correct use please observe the following precautions to prevent failure to operate, malfunction, or undesirable effect on product performance. load connection securely tighten the load terminal screws with the torque specified in the following list after you connect the load to the load terminals. if the tightening torque is not enough, the terminals will generate heat. mounting when you locate the G3NH near other equipment, take the heat resistivity of the equipment into consideration. the temperature of the G3NH?s heat sink will rise by approximately 50 c with a rated current flow through the G3NH. the G3NH will rise the ambient temperature. when mounting the G3NH inside a panel, install a fan for proper ventilation. when closely mounting the G3NH solid state relays side by side, reduce the load current 30% lower than the specified value shown in the load current vs. ambient temperature graph. take proper measures so that t he heat sink will be protected from dust. 8 13 90 0.5 186 8 22 126 0.5 150 135 0.5 120 120 171 0.5 156 156 G3NH-2075b/4075b G3NH-2150b/4150b four, 6.5-dia. tw o, m6 12 tw o, m3 8 tw o, m3 8 four, 6.5-dia. tw o, m8 16 mounting holes mounting holes four, 6.5 dia. or m6 four, 6.5 dia. or m6 model tightening torque G3NH- @ 075b 4.41 to 4.90 nm G3NH- @ 150b 8.82 to 9.80 nm in the interest of product improvement, spec ifications are subject to change without notice. all dimensions shown are in millimeters. to convert millimeters into inches, multiply by 0. 03937. to convert grams into ounces, multiply by 0.03527. cat. no. k070-e1-05
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