DPU34B-070D Autonics Power Controller
Autonics DPU34B-070D Digital Power Controller – 3-Phase, 70A, Remote Display
High-performance 3-phase digital power controller for precise control of industrial heaters and resistive loads.
Supports phase / cycle / ON-OFF control, multiple feedback modes, and remote display operation.
The Autonics DPU34B-070D is a 3-phase digital power controller designed for accurate and stable control of industrial heating loads. With 70 A rated current, remote display support, and multiple advanced control & feedback modes, it is ideal for electric furnaces, ovens, heaters, and process temperature control systems.
Key Features
3-phase digital power controller
Rated current: 70 A
Remote display (D option) for flexible panel mounting
Supports Phase control / Cycle control / ON-OFF control
Constant voltage, current & power feedback modes
Accepts 4–20 mA, 0–10 V, SSR, contact & RS485 inputs
Built-in soft-start & soft-up/down protection
Integrated alarm & protection functions
RS485 (Modbus RTU) communication ready
High-reliability SCR output design
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | DPU34B-070D |
| Series | DPU3 |
| Control Phase | 3-Phase |
| Rated Current | 70 A |
| Power Supply | 110 / 220 / 380 / 440 / 480 VAC |
| Control Methods | Phase / Cycle / ON-OFF |
| Feedback Modes | Voltage / Current / Power |
| Control Inputs | 4–20 mA, 0–10 V, Contact, SSR, RS485 |
| Display | Remote digital display |
| Communication | RS485 (Modbus RTU) |
| Protection | Overcurrent, Overvoltage, Fuse break, Overheat |
| Operating Temp. | −10 to +50 °C |
| Mounting | Panel mounted |
| Certifications | CE, UL, KC (model dependent) |
Applications
Industrial electric furnaces
Heater banks & infrared heaters
Plastic processing machines
Textile & drying ovens
Semiconductor & process heating
Power regulation panels
OEM heater control systems
What’s in the Box?
DPU34B-070D Power Controller
Remote display unit
Mounting hardware (bolts)
Terminal block
Instruction manual
FAQ
Q1. Is this controller suitable for 3-phase heaters?
Yes, it is specifically designed for 3-phase resistive heating loads.
Q2. What control signals does it accept?
4–20 mA, 0–10 V, SSR pulse, contact input, and RS485 communication.
Q3. What is the advantage of the remote display model?
It allows flexible panel layout and safer monitoring away from heat zones.
Q4. Does it support constant power control?
Yes, it supports constant voltage, current, and power feedback modes.
Q5. Is RS485 communication supported?
Yes, Modbus RTU over RS485 is supported (option-dependent).