Product details
Product Overview
KEB Combivert F5 is a compact frequency inverter. Model 20F5A1H-34DF delivers 52 kVA at 400V. It controls AC/DC motors up to 37 kW. This drive suits industrial automation needs.
Key Features
- Brake transistor: GTR7 for dynamic braking
- Cooling: air-cooled heat sink
- Encoder interface: TTL-IN on channel 1, TTL-OUT on channel 2
- EMC: C1 class for low interference
- Protection: IP20 rating for control cabinets
Technical Specifications
- Brand: KEB
- Series: Combivert F5
- Model: 20F5A1H-34DF
- Power: 52 kVA
- Motor power: 37 kW (2/4P, 50/60 Hz)
- Input voltage: 305–528 V AC, 3-phase
- Output voltage: 0 to Uin
- Rated current: 75 A
- Short-time limit: 112.0 A (max.)
- Max output frequency: 599 Hz
- Switching frequency: 2 kHz
- Protection class: IP20
- Dimensions (W×H×D): 297 × 340 × 255 mm
Expert Review
“The F5 drive offers excellent torque control at high speeds. Its 599 Hz output handles spindle and centrifuge applications. The TTL encoder interface simplifies position feedback. I recommend it for precision motion tasks.” – Senior Automation Engineer
Manager’s Insight
“We use this inverter on multiple production lines. It runs reliably under heavy loads. The built-in brake transistor saves external braking resistor costs. A solid choice for 37 kW motor control.” – Plant Operations Manager
Applicable Equipment & Use Cases
- Conveyors: belt and roller systems needing variable speed
- Mixers: industrial agitators and blenders
- Pumps: centrifugal and positive displacement pumps
- Fans: large ventilation and cooling fans
- Compressors: screw and piston compressors
- Centrifuges: high-speed separation equipment
Comparison with Similar Models
- 20F5A1H-34DF (this model): 52 kVA, 75 A, 37 kW, 599 Hz, EMC C1
- 20F5A1H-33DF: lower power rating, 30 kW version
- 20F5A1H-35DF: higher current, 45 kW version
- For full range, visit PowergearX
Frequently Asked Questions (FAQ)
- Q: What motors can this drive control?
A: It controls 3-phase AC motors and DC motors up to 37 kW. It works with 2-pole and 4-pole types. - Q: Do I need an external filter for EMC?
A: No, this model has built-in C1 class EMC filter. It meets most industrial emission limits. - Q: Can I use this inverter at 460V?
A: Yes, input voltage range is 305–528V AC. It handles 400V, 460V, and 480V systems. - Q: What is the maximum output frequency?
A: The drive outputs up to 599 Hz. This is suitable for high-speed spindles and fans. - Q: How do I connect the encoder?
A: Channel 1 accepts TTL input signals. Channel 2 provides TTL output for pass-through or monitoring.
Experience-based Tips & Selection Guidance
- Tip 1: Use shielded motor cables to maintain EMC C1 performance.
- Tip 2: Set the switching frequency to 2 kHz for best thermal performance.
- Tip 3: For dynamic braking, connect an external resistor to the GTR7 terminal.
- Selection guide: Choose 20F5A1H-34DF when you need 75 A output and 599 Hz speed. For lower current, select 20F5A1H-33DF.
- Alternative: If you need higher power, consider the 45 kW version (20F5A1H-35DF).
Warranty & Shipping
- Warranty: 12 months against defects
- Dispatch: within 12–24 hours of order
- Carriers: FedEx, UPS, DHL express
- Tracking provided via email
Contact Information:
Email: sales@powergearx.com
Phone: +86 18030005825 (WhatsApp)
Copyright © 2026 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/
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