Product Datasheet: Danfoss 136N8935 VLT® Micro Drive FC-51

Compliance Declaration

1. Product Overview ⚙️

Danfoss 136N8935 VLT® Micro Drive FC-51 (P7K5) 7.5kW Frequency Converter

2. Core Advantages & Key Features ✅

1. Compact Book-Style Cabinet Layout
   
   
   Supports side-by-side mounting without power derating, greatly reducing electrical panel footprint and cabinet manufacturing cost.
2. Built-In Brake Chopper (Standard for ≥1.5kW Models)
   
   
   Dissipates regenerative kinetic energy during rapid motor stop, ideal for conveyor, lifting and winding machinery requiring fast deceleration.
3. Corrosion-Resistant Coated PCB
   
   
   Full conformal coating on circuit boards minimizes dust and moisture penetration, extending service life in harsh workshop ambient conditions.
4. Dual Control Modes: VVC+ Vector / U/f
   
   
   VVC+ vector control delivers stable 150% overload torque for 60 seconds at low speed, suitable for heavy startup loads; U/f mode for simple fan/pump energy saving.
5. Onboard Smart Logic Controller & PI Regulator
   
   
   Embedded logic function eliminates small PLC for basic interlock control; built-in PI closed-loop control directly stabilizes flow, pressure or temperature without external controllers.
6. Complete Motor & Drive Protection Suite
   
   
   Electronic thermal relay (ETR), overvoltage/undervoltage, short-circuit, ground fault and overheat auto-protection with readable fault code feedback.
7. Flexible Parameter Tuning & Quick Commissioning
   
   
   User-friendly local operation panel with navigation keys; PC software parameter upload/download for batch OEM equipment setup.
8. Wide Compatibility & Expandability
   
   
   Supports multiple digital/analog I/O signals, optional communication modules for Modbus RTU, matching mainstream PLC control systems globally.

3. Complete Technical Specifications

4. Applicable Industries & Typical Scenarios 📊

Covered Core Industries

1. HVAC & Water Treatment (Water Pumps, Cooling Fans, Blowers)
2. Food & Beverage Packaging Conveyors
3. Plastic Injection & Extrusion Auxiliary Equipment
4. Textile Winding & Spinning Machinery
5. Logistics Automated Sorting & Belt Conveyors
6. Agricultural Irrigation Pump Systems
7. Light Metal Processing Small Machine Tools
8. General OEM Automated Assembly Equipment

Typical Application Descriptions

1. Centrifugal pump & fan energy efficiency regulation: Real-time flow/pressure adjustment via built-in PI controller to cut idle power consumption by 30–50%.
2. Material conveying line speed control: Smooth soft start avoids material slip; integrated brake chopper realizes fast stop for packaging station positioning.
3. Textile tension winding control: Stable low-speed high torque via VVC+ vector mode to prevent fabric breakage during spool winding.
4. Small processing machine spindle variable speed adjustment for multi-specification production switching.

Matching Layout Image Icon Tags

1. Application Scenario Graphic 1: Industrial Pump & Fan HVAC Control Cabinet
   
   
   Icon Mark: 🏭 Water & Air Treatment Equipment
2. Application Scenario Graphic 2: Automated Packaging Conveyor Production Line
   
   
   Icon Mark: 📦 Food & Packaging OEM Machinery
3. Warehouse Stock Photo: Original Danfoss Drive Finished Goods Storage Rack
   
   
   Icon Mark: 📦 Industrial Automation Components Warehouse
4. Product Physical Graphic: 136N8935 FC-51 Unit Outline Drawing
   
   
   Icon Mark: ⚙️ Danfoss FC-51 7.5kW Drive Appearance

5. Export Compliance Statement