Overview
The Honeywell DC3003-0-30A-1-DIN-0111 is a Universal Digital Controller from the IACD UDC3000 series, a proven platform for industrial process control and temperature management applications. This 1/4 DIN form factor unit delivers relay-based proportional control with multi-input support, making it suitable for legacy automation systems requiring drop-in temperature control. The DC3003-0-30A-1-DIN-0111 integrates autotune capability and flexible control algorithms for consistent performance in HVAC, manufacturing, and thermal process environments.
Key Features
- Relay output with on-off or time-proportional control modes
- Autotune function simplifies setup and optimization for varying process loads
- Multiple input support: thermocouple, RTD, millivolt (1–5V), or 4–20mA signals
- VERSA-PRO firmware platform enables advanced control logic and customization
- Compact 1/4 DIN form factor for retrofit applications and space-constrained panels
- Legacy-proven design widely used in industrial heating, cooling, and process control systems
Technical Specifications
- Form Factor: 1/4 DIN
- Output Type: Relay (proportional or on-off)
- Control Modes: Time proportional, proportional duplex, 3-position step
- Input Options: Thermocouple (TC), RTD, millivolt (MV), 1–5V, 4–20mA
- Autotune: Yes
- Firmware: VERSA-PRO
- Part Number: DC3003-0-30A-1-DIN-0111
- Series: UDC3000 IACD
- Manufacturer Status: Discontinued (legacy product)
Typical Applications
- HVAC and climate control systems requiring process setpoint management
- Industrial heating equipment: ovens, furnaces, heat treat chambers
- Water and fluid temperature regulation in manufacturing
- Freezer and refrigeration control loops
- Legacy system replacements where UDC3000-compatible control is needed
- Retrofit applications in existing 1/4 DIN panel layouts
Compatibility & Replacements
Compatible With
- Honeywell UDC3000 series system accessories and sensor inputs
- Standard 1/4 DIN DIN rail panel mounting systems
- Thermocouple signal conditioning with external cold-junction compensators
- 4–20mA process transmitters and industrial sensors
- RTD probes and temperature transmitters (2-wire, 3-wire configurations)
Replaces / Drop-In Replacement For
- Honeywell DC3003-0-00A-1-00-0111 (alternate configuration)
- Honeywell DC3003-0-10A-1-00-0111 (10A current-proportional variant)
- Other DC3003 series variants with 30A rating and DIN form factor
Works With
- Honeywell IACD platform control architecture
- Multi-input signal types: thermocouples, RTDs, 4–20mA loops
- Proportional and relay-based control logic ecosystems
- Industrial process transmitters and final control devices
- Legacy facility automation systems using 1/4 DIN modules
