{"product_id":"abb-acs355-03e-01a2-4-acs355-variable-frequency-drive","title":"ABB ACS355-03E-01A2-4 ACS355 Variable Frequency Drive","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding dynamic performance for low-power motor control, the ABB ACS355-03E-01A2-4 variable frequency drive integrates advanced scalar and vector control configurations for micro-drive installations. Engineered for rapid cabinet integration and OEM machine production, this \u003cstrong\u003ethree-phase 400V class\u003c\/strong\u003e AC drive offers exceptional precision in speed regulation, making it ideal for food and beverage, material handling, and textile processing applications. Equipped with an integrated \u003cstrong\u003eSafe Torque Off (STO)\u003c\/strong\u003e terminal, it guarantees compliant functional safety (SIL3) directly out of the box without requiring external safety contactors.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Motor Control:\u003c\/strong\u003e Supports both sensorless vector control (for induction and permanent magnet motors) and scalar control modes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Functional Safety:\u003c\/strong\u003e Certified Safe Torque Off (STO) dual-channel interface complies with SIL3 and PL e safety standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Braking Chopper:\u003c\/strong\u003e High-duty built-in brake chopper as standard, eliminating the need for external dynamic braking modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact R0 Frame Size:\u003c\/strong\u003e Unified height and depth footprints across the range allow optimized, side-by-side cabinet installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSequence Programming:\u003c\/strong\u003e 8-state sequence programming engine enables independent control cycles without an external PLC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEMC Filter:\u003c\/strong\u003e Integrated C3 class electromagnetic compatibility filter for standard industrial networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConveyor Systems:\u003c\/strong\u003e Precise speed synchronization and high-starting torque for heavy friction loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging Machinery:\u003c\/strong\u003e Rapid start\/stop cycling with dynamic braking integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePumps and Fans:\u003c\/strong\u003e Energy-efficient flow and pressure regulation with built-in PID controllers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixers and Agitators:\u003c\/strong\u003e Constant torque profiles with robust overload protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #e2e8f0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eABB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eModel \/ Article Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eACS355-03E-01A2-4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eACS355 Machinery Drive\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eFrame Size\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eR0\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eEnclosure Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP20 \/ UL Open Type\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eInput Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-phase 380 to 480 VAC (+10% \/ -15%)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eInput Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e48 to 63 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eNominal Output Power\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.37 kW (0.5 HP)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eNominal Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.2 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eOverload Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.5 x nominal current (1.8 A) for 1 minute every 10 minutes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eEMC Protection\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIntegrated C3 Filter (for European and industrial grids)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eControl Interfaces\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5 Digital Inputs, 2 Analog Inputs, 1 Analog Output, 1 Relay Output, 1 Transistor Output\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eShipping Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.20 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003ePhysical Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e169 mm (H) x 70 mm (W) x 161 mm (D)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #e2e8f0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eTerminal Group\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eDesignation\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eFunctional Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\" rowspan=\"3\"\u003ePower Terminals\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eU1, V1, W1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-phase mains supply input (380 to 480 VAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eU2, V2, W2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMotor connection terminals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eBRK+, BRK-\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eExternal dynamic braking resistor terminals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\" rowspan=\"3\"\u003eControl \u0026amp; Safety I\/O\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eDI1 ... DI5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConfigurable digital inputs (24 VDC PNP\/NPN)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eAI1, AI2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog reference inputs (0 to 10 V, 0 to 20 mA)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; border-right: 1px solid #e2e8f0;\"\u003eX1D (STO)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDual-channel Safe Torque Off connections (OUT1, OUT2, IN1, IN2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe ACS355-03E-01A2-4 directly replaces legacy ACS350-03E-01A2-4 models. Footprints and wiring locations are fully identical. Note that parameter migration requires an ABB FlashDrop tool (MFDT-01) or a DriveWindow Light setup, as the internal parameter indexes differ slightly in the firmware between the ACS350 and ACS355 series.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe R0 frame size depends entirely on internal convection fans and heat dissipation channels. When installing multiple drives side-by-side in a control panel, verify that the horizontal clearance is maintained at 0 mm only if the surrounding air temperature stays below 40 degC. If ambient temperatures inside the cabinet reach 40 to 50 degC, output current must be derated by 1% for every 1 degC exceeding the nominal limit.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eFor optimal safety performance, do not bypass the Safe Torque Off (STO) terminals. If STO is not connected to a dual-channel safety relay, the pre-installed factory jumpers must remain firmly placed across the X1D terminal block, otherwise, the drive will trigger fault code F0021 (STO active) and inhibit startup. Always run shielded motor cable and secure a 360-degree ground clamp at the drive's grounding plate to eliminate EMI feedback to weak analog loops.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Hazardous voltages remain present on the internal DC bus capacitors even after mains isolation. Disconnect input power and wait a minimum of 5 minutes for capacitive discharge before opening the front cover or initiating wiring adjustments.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cdiv\u003eSecure the drive to the DIN rail or backplate vertically. Ensure 75 mm of free space above and below the cooling vents.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cdiv\u003eConnect the protective earth (PE) terminals of both the input supply line and the motor frame to the drive's grounding points.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cdiv\u003eWire the 3-phase incoming power lines to terminals U1, V1, and W1. Connect shielded motor power cables to terminals U2, V2, and W2.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cdiv\u003eComplete control terminal wiring (X1A \/ X1B) using twisted-shielded instrumentation cables for all analog speed references.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52701957685611,"sku":"ACS355-03E-01A2-4","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/acs355-03e-01a2-4-rm0hz4w1kbo_5150aa5a-08f6-469d-aa0c-13f6596fe9ed.jpg?v=1766478128","url":"https:\/\/www.plcprotech.com\/ms\/products\/abb-acs355-03e-01a2-4-acs355-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}