

Aimed at Air Handling Units, ZIEHL-ABEGG GR31C-ZID.DC.CR is a 400 V EC centrifugal fan, built around a documented speed of 4,096 rpm. This supports technical purchasing review. The stated values provide a basis for design review.
| Rated Voltage(V) | 400 |
|---|---|
| Size(mm) | 450 |
| Max.Air Flow(m³/h) | 3708 |
| Input Power(W) | 3223 |
| Speed(rpm) | 4096 |
The ZIEHL-ABEGG GR31C-ZID.DC.CR is an EC centrifugal blower for hvac systems, supporting equipment thermal management and integration.
Data includes 400 V operation and airflow up to 3708 m³/h to assist system engineers in validating the planned ventilation circuit. The datasheet lists bionic blade geometry, PWM/0-10 V speed control for durable motor support. Installed noise depends on the duty point and airflow path. Installation with the specified supply and sufficient breathing space supports energy-aware cooling and stable service.
For a dependable design-in, compare GR31C-ZID.DC.CR with the required airflow path, supply, mounting interface and service conditions. The stated operating record helps manage selection risk in equipment redesigns with clearer fit and interface checks.
It can be evaluated for demanding service using the documented ratings, installation limits and preventive-maintenance plan for the application.
Match required airflow and pressure on the exact performance curve, then verify voltage, power, dimensions and environmental limits.
Its EC centrifugal fan configuration and a documented speed of 4,096 rpm provide model-specific criteria for matching Air Handling Units systems.

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