{"product_id":"1756-a4-allen-bradley-4-slot-controllogix-chassis","title":"1756-A4 | Allen-Bradley 4 Slot ControlLogix Chassis","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eTechnical Specifications of 1756-A4 ControlLogix Chassis\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eGeneral Description\u003c\/strong\u003e The 1756-A4 ControlLogix chassis backplane provides a high-speed communication path between modules and distributes power to each module within the chassis. It supports up to 4 slots and is designed for horizontal mounting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBackplane Current Ratings\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1.2V DC: 1.5 A (chassis) \/ –\u003c\/li\u003e\n\u003cli\u003e3.3V DC: 4 A (chassis) \/ 4 A (slot)\u003c\/li\u003e\n\u003cli\u003e5.1V DC: 15 A (chassis) \/ 6 A (slot)\u003c\/li\u003e\n\u003cli\u003e24V DC: 2.8 A (chassis) \/ 2.8 A (slot)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePower and Isolation\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePower dissipation, max: 4 W\u003c\/li\u003e\n\u003cli\u003eIsolation voltage: Determined by installed power supply and modules\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePhysical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSlots: 4\u003c\/li\u003e\n\u003cli\u003eMounting method: Horizontal only\u003c\/li\u003e\n\u003cli\u003eCabinet size (HxWxD): 50.8 x 50.8 x 20.3 cm (20 x 20 x 8 in.)\u003c\/li\u003e\n\u003cli\u003eWeight, approx: 0.75 kg (1.7 lb)\u003c\/li\u003e\n\u003cli\u003eLocation: Panel\u003c\/li\u003e\n\u003cli\u003eEnclosure type rating: None (open-style)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWiring Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFunctional Earth Ground: 8.3 mm² (8 AWG) solid or stranded copper wire, rated at 90 °C (194 °F) or greater\u003c\/li\u003e\n\u003cli\u003eProtective Earth Ground: 2.1 mm² (14 AWG) solid or stranded copper wire, rated at 90 °C (194 °F) or greater\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEnvironmental Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTemperature, surrounding air: 60 °C (140 °F)\u003c\/li\u003e\n\u003cli\u003eTemperature, non-operating: -40…+85 °C (-40…+185 °F)\u003c\/li\u003e\n\u003cli\u003eRelative humidity: 5…95% non-condensing (IEC 60068-2-30)\u003c\/li\u003e\n\u003cli\u003eVibration: 2 g @ 10…500 Hz (IEC 60068-2-6)\u003c\/li\u003e\n\u003cli\u003eShock, operating: 30 g (IEC 60068-2-27)\u003c\/li\u003e\n\u003cli\u003eShock, non-operating: 50 g (IEC 60068-2-27)\u003c\/li\u003e\n\u003cli\u003eNorth American temperature code: T5\u003c\/li\u003e\n\u003cli\u003eIEC temperature code: T4\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImmunity and Emissions\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEmissions: IEC 61000-6-4\u003c\/li\u003e\n\u003cli\u003eESD immunity: 6 kV contact discharges, 8 kV air discharges (IEC 61000-4-2)\u003c\/li\u003e\n\u003cli\u003eRadiated RF immunity:\n\u003cul\u003e\n\u003cli\u003e10V\/m with 1 kHz sine-wave 80% AM from 80…2000 MHz\u003c\/li\u003e\n\u003cli\u003e10V\/m with 200 Hz 50% Pulse 100% AM @ 900 MHz\u003c\/li\u003e\n\u003cli\u003e10V\/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz\u003c\/li\u003e\n\u003cli\u003e3V\/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003cp\u003eThe 1756-A4 chassis is designed for efficient communication and power distribution among modules. It supports up to 4 modules, is mounted horizontally, and features robust environmental and immunity protections, making it ideal for various industrial applications.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":49181010264346,"sku":"1756-A4","price":67.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1756-A7_1.jpg?v=1718455537","url":"https:\/\/www.ubestplc.com\/products\/1756-a4-allen-bradley-4-slot-controllogix-chassis","provider":"Ubest Automation Limited","version":"1.0","type":"link"}