Desiccant Rotary · DD Series

DBA-DD550

2.5 kg/hr cold-room workhorse.

Mid-range desiccant rotary. 550 CMH process airflow for medium-scale low-temperature dehumidification.

DBA-DD550 Desiccant Rotary dehumidifier
2.5 kg/hrCapacity
550 CMHProcess Airflow
−20 – 40°COperating Temp
52 kgWeight

At a glance

Performance below freezing.

−20°C Operation

Below-freezing dehumidify

1–90% RH Range

Ultra-low humidity

ProFlute Rotor

Silica honeycomb

PTC Heater

Ceramic reactivation

7" LCD Panel

Data logging

BMS RS485

Modbus integration

DBA-DD550 detail

Engineered by DBA.
Distributed by DryEaz.

Every DBA-DD550 is built to international standards by DBA Electric Pte. Ltd. — a humidity-control specialist with two decades of manufacturing experience.

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Technical data

Full specifications.

Dehumidifying Capacity (20°C 60% RH)2.5 kg/hr
Process Airflow550 CMH
Reactivation Airflow180 CMH
Max. Power3,700 W
Rated Current17 A
Voltage220–240V 50Hz
Operating Temperature−20 – 40°C
Set Humidity Range1 – 90% RH
Weight52 kg
Dimensions (L × W × H)802 × 615 × 567 mm

Inside the unit

Configuration & Control.

Standard across the Desiccant Rotary series.

Configuration

  • 'ProFlute' desiccant rotor
  • PTC ceramic heater
  • 7-inch LCD display panel
  • Dust filter
  • 5 m power cable
  • Operating range −20 to 40°C
  • Process & reactivation airflows
  • Robust steel construction

Control

  • Set humidity range 1–90%
  • Fault detection
  • Humidity data log
  • Power-off memory function
  • BMS RS485 (Modbus)
  • Multi-stage safety protection
  • Phase & surge protection
  • Centralised remote control
↓ Download Desiccant Rotary catalog (PDF)

Where it shines

Built for these spaces.

Cold storage roomsPharmaceutical labsLyophilisationBattery productionSpecialty food processing

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