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- RRFC-5521
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- Sweden
- 220 mm × 150 mm × 120 mm
- 4.2kg
- 68260256/64582160
- Xiamen, China
- New & In Stock
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Product: ABB RRFC‑5521 (68260256 / 64582160)
1. Overview
The RRFC‑5521 is an advanced industrial frequency converter / soft starter module designed to optimize motor control in industrial automation systems. It provides precise speed and torque control for AC motors while reducing mechanical stress during startup and operation.
This module is engineered for demanding industrial environments, offering high reliability, long service life, and protection for both motors and electrical systems. Its compact design and advanced functionality make it suitable for a wide range of industrial applications, from conveyor systems to pump control and process automation.
2. Product Parameters (Technical Data)
| Parameter | Value |
|---|---|
| Model | RRFC‑5521 (68260256 / 64582160) |
| Product Type | Industrial Frequency Converter / Soft Starter |
| Input Voltage | 380–480 V AC, 3-phase |
| Output Voltage | 0–480 V AC, 3-phase |
| Output Frequency | 0–400 Hz |
| Rated Current | 5.5 A |
| Control Method | V/f control, adjustable ramp |
| Protection Functions | Overload, overcurrent, short circuit, undervoltage |
| Communication | Modbus RTU / optional fieldbus modules |
| Operating Temperature | –10°C to +50°C |
| Storage Temperature | –20°C to +70°C |
| Protection Class | IP20 (standard housing) |
| Mounting | Panel or DIN rail mounting |
| Dimensions | 220 mm × 150 mm × 120 mm |
| Weight (kg) | 4.2 kg |
| Cooling Method | Forced air / heat sink |
3. Product Introduction
The RRFC‑5521 module is designed to provide smooth start and stop operation for AC motors, minimizing mechanical and electrical stress. It allows precise speed regulation for varying process requirements and reduces energy consumption compared to conventional direct-on-line starters.
Equipped with multiple protection functions, the RRFC‑5521 ensures safe operation of motors, prevents damage due to overload, and allows integration into industrial automation systems through standard communication protocols. Its compact size and modular design simplify installation in control panels.
4. Product Application Areas
The RRFC‑5521 is widely used in:
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Industrial Automation — Controlling motor-driven machines in production lines.
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Pumps and Fans — Optimizing flow and pressure while reducing energy consumption.
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Conveyor Systems — Smooth start/stop of motors reduces mechanical wear.
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HVAC Systems — Regulating speed of fans, blowers, and compressors.
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Packaging Machinery — Ensuring precise motor control for repeatable operations.
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Material Handling Systems — Controlling motor speed for conveyors and lifts.
5. Product Advantages
Key benefits of the RRFC‑5521 include:
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Smooth Motor Start/Stop: Reduces mechanical stress and extends motor life.
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Precise Speed Control: Adjustable ramp and V/f control for various applications.
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Built-in Protection Functions: Overload, overcurrent, undervoltage, and short-circuit protection.
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Energy Efficiency: Optimized motor control reduces energy consumption.
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Flexible Integration: Supports Modbus RTU and optional fieldbus communication for automation systems.
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Compact Design: Space-saving form factor for panel installation.
6. Brand Affiliation
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Brand: Global industrial automation and control brand
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Product Series: RRFC series of industrial frequency converters / soft starters
7. Recommended Same Series or Related Models (5)
| Model | Key Parameters | Typical Use Case |
|---|---|---|
| RRFC‑5515 | 3.7 kW, 380–480 V AC, 0–400 Hz | Small motor control applications |
| RRFC‑5530 | 7.5 kW, 3-phase, IP20 | Medium-duty industrial motors |
| RRFC‑5545 | 11 kW, advanced ramp/torque control | Heavy-duty conveyor and pump control |
| RRFC‑5520 | 5.5 kW, compact IP20 | Space-limited panel installations |
| RRFC‑5550 | 15 kW, high-performance soft starter | High-load motors with precise control |
8. Recommended Other Popular Models from the Same Brand (5)
| Model | Key Parameters | Typical Use Case |
|---|---|---|
| RMBA‑01 | Relay module, 24 V DC coil, 5 A SPDT | General automation load switching |
| RMIO‑01C | Digital/analog I/O module, 24 V DC | Automation panels requiring flexible I/O |
| RMIO‑02C | Digital/analog I/O module, 24 V DC, 2 A | Medium-complexity control panels |
| RMBE‑02 | High-speed relay, 24 V DC, 3 A | Fast switching for process automation |
| RMBC‑04 | Modular DPDT relay, LED indicator | Multi-circuit control and visual feedback |
9. FAQ – Common Customer Questions (QA Style)
Q1: What is the function of the RRFC‑5521?
A1: It is an industrial frequency converter and soft starter for AC motors, providing smooth start/stop and speed regulation.
Q2: What voltage does it operate on?
A2: 380–480 V AC, 3-phase input.
Q3: What is the rated output current?
A3: 5.5 A per motor.
Q4: Does it provide motor protection?
A4: Yes, it includes overload, overcurrent, short-circuit, and undervoltage protection.
Q5: Can it be integrated with automation systems?
A5: Yes, it supports Modbus RTU and optional fieldbus modules.
Q6: What is the output frequency range?
A6: 0–400 Hz.
Q7: Is it suitable for HVAC applications?
A7: Yes, it can regulate fan, blower, and pump motors.
Q8: How is it mounted?
A8: Panel mounting or DIN rail installation is supported.
Q9: What is the operating temperature range?
A9: –10°C to +50°C.
Q10: How does it improve energy efficiency?
A10: By precise speed control and soft starting, it reduces energy consumption compared to direct-on-line starters.