{"product_id":"electrocraft_electro-craft-max-400-robins_myers_9077-0650d","title":"Electrocraft Max400 | Electro-Craft Max-400 Robins \u0026 Myers 9077-0650 D | for DC servo","description":"\u003ch1\u003e\u003cspan\u003e\u003cb\u003eElectro-Craft Max-400 Robins \u0026amp; Myers  \u003c\/b\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cb\u003eElectrocraft \u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eInput, 20-85 VAC at 15 A 50\/60 Hz, \u003c\/b\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cb\u003e1Phase\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003eoutput, I20 VDC Max 15A (Cont) 1500 W Max.\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThe Robbins \u0026amp; Myers\/Electro-Craft MAX-400 is a controllable power \u003c\/span\u003e\u003cspan\u003esource for brushtype, DC servo motors. Usually configured as a \u003c\/span\u003e\u003cspan\u003econtrolled velocity system, the amplifier interfaces with a \u003c\/span\u003e\u003cspan\u003econtroller which provides an analog voltage signal proportional \u003c\/span\u003e\u003cspan\u003eto the desired motor velocity. Refer to \u003c\/span\u003e\u003cspan\u003efunctional diagram. The MAX-400 amplifier contains circuitry for \u003c\/span\u003e\u003cspan\u003eprotection of both motor and amplifier from effects of various \u003c\/span\u003e\u003cspan\u003eoverload and short circuit conditions. The MAX-400 is a 20 kHz \u003c\/span\u003e\u003cspan\u003epulse-width modulation (PWM), switching type amplifier that \u003c\/span\u003e\u003cspan\u003ereduces system power losses. Motor speed is precisely controlled \u003c\/span\u003e\u003cspan\u003edown to a maximum torque, low velocity condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0775\/3557\/6229\/files\/Max_100_Interface_controller_interface_wiring_Electrocraft_Electro-Craft_Max-400_Robins_Myers_9077-0650_D.png?v=1787415573\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0775\/3557\/6229\/files\/Electrocraft_Electro-Craft_Max-400_Robins_Myers_9077-0650_D_functional_description.png?v=1787415616\" alt=\"\"\u003eThe MAX-400 amplifier also contains automatic current foldback if  \u003c\/span\u003e\u003cspan\u003ethe RMS current exceeds ± 15.0 amp. This feature will protect  \u003c\/span\u003e\u003cspan\u003ethe amplifier and motor from over-current conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"688\" style=\"border-collapse: collapse; width: 516pt;\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"382\" style=\"mso-width-source: userset; mso-width-alt: 13596; width: 287pt;\"\u003e \u003ccol width=\"306\" style=\"mso-width-source: userset; mso-width-alt: 10865; width: 229pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" width=\"382\" style=\"height: 14.4pt; width: 287pt;\"\u003e2.1 Performance Specifications\u003c\/td\u003e\n\u003ctd width=\"306\" style=\"width: 229pt;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eSpecifications\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003ePeak Motor Current\u003c\/td\u003e\n\u003ctd\u003e+30.0 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eMaximum continuous motor current\u003c\/td\u003e\n\u003ctd\u003e+15.0 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eMotor supply voltage\u003c\/td\u003e\n\u003ctd\u003e30-120 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e2.2 Electrical Specifications\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eAutomatic current foldback\u003c\/td\u003e\n\u003ctd\u003eApprox. 50%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eFoldback time constant\u003c\/td\u003e\n\u003ctd\u003e0.05 Sec. at 30.0 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eRecovery time constant\u003c\/td\u003e\n\u003ctd\u003e1.0 Sec. at 10.0 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eSwitching frequency\u003c\/td\u003e\n\u003ctd\u003e20 kHz nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eTypical VCS signal input voltage\u003c\/td\u003e\n\u003ctd\u003e\n\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e+10 V (+20 max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eVCS input impedance\u003c\/td\u003e\n\u003ctd\u003e22 kOhms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eTypical input amplifier drift\u003c\/td\u003e\n\u003ctd\u003e10 uV\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eDead band\u003c\/td\u003e\n\u003ctd\u003eZero\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eMaximum continuous shunt power dissipation\u003c\/td\u003e\n\u003ctd\u003e50 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eMotor current output monitor (1 kohm output impedance)\u003c\/td\u003e\n\u003ctd\u003e±1.5V=±30 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eAuxiliary +15 VDC supply\u003c\/td\u003e\n\u003ctd\u003e15 milliamps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e2.3 Input Power Requirements\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eIsolated AC Input Voltage\u003c\/td\u003e\n\u003ctd\u003e20-85 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e2.4 Physical Specifications\u003c\/td\u003e\n\u003ctd\u003eHeight 10.25 in. (260 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eWidth 2.95 in. (75 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eLength 7.30 in. (185 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eWeight 6.6 lbs. (2.90 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eAmbient Temperature\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eRelative Humidity 32° to 122°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eOperating -40° to 158°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"19\" style=\"height: 14.4pt;\"\u003e\n\u003ctd height=\"19\" style=\"height: 14.4pt;\"\u003e\u003c\/td\u003e\n\u003ctd\u003eStorage\/Shipping 5% to 95% non-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Metronix | Cooper Tools","offers":[{"title":"Default Title","offer_id":48175690711205,"sku":"Max400","price":1250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/3557\/6229\/files\/ElectrocraftElectro-CraftMax-400Robins_Myers9077-0650D_4.jpg?v=1787412918","url":"https:\/\/www.sparefaber.com\/products\/electrocraft_electro-craft-max-400-robins_myers_9077-0650d","provider":"SpareFaber","version":"1.0","type":"link"}