This selection manual provides specifications, features, and installation information for the Bosch Rexroth HFC 3710 series inverter.
The HFC 3710 series inverter from Bosch Rexroth is a high‑power, energy‑efficient drive covering 400 kW to 630 kW at three‑phase 380 V. It is suited for large fans, pumps, constant‑pressure water supply, boiler heating, oil power, metallurgy, mining, and chemical‑pharmaceutical applications.
Key features include modular heat‑sink design, sealed air inlet with filter, built‑in AC and DC reactors, extensive protection functions, IP20 rating, LCD Chinese menu with hot‑swap capability, and flexible mounting options such as top‑hoist or bottom forklift handling. Technical data cover input voltage, output frequency range, overload capacity, V/f control, PID control, and Modbus communication. This manual is written in Chinese.
| Input voltage | Three‑phase 380 V (-15%/+10%) |
|---|---|
| Output frequency range | 0…400 Hz |
| Overload capacity | 120 % for 1 min, 150 % for 2 s |
| Control method | V/f control |
| Protection functions | Over‑current, over‑voltage, under‑voltage, overload, phase loss, inverter overheat, motor overheat, output grounding, output short‑circuit |
The inverter accepts three‑phase 380 V with a tolerance of –15 % to +10 %.
It includes over‑current, over‑voltage, under‑voltage, overload, phase‑loss detection, inverter and motor overheat protection, output grounding, and output short‑circuit protection.
The output frequency can be set from 0 Hz up to 400 Hz.
It can handle 120 % of rated current for 1 minute and 150 % for 2 seconds.