Delta DTB4848CRT Temperature Controllers
Delta DTB4848CRT Temperature Controller is designed for industrial thermal regulation and stable DC current output control applications within automation systems. This 1/16 DIN W48 × H48mm controller supports 4 ~ 20mA DC current output for dependable industrial process control and monitoring functionality. It operates on AC100 ~ 240V, 50/60Hz and DC24V±10% input power while featuring a 2-line 7-segment LED display with red PV and green SV indication for clear industrial process visibility during continuous operation. Manufactured by Delta Industrial Automation Solutions, part of the Delta Temperature Control Systems family within the Delta DTB Series Controllers.
| Brand | Delta |
| Product Type | Temperature Controller |
| Product | DTB4848CRT |
Delta DC Current Output 4 ~ 20mA DTB4848CRT Technical Specifications:
| Specification | Value |
|---|---|
| Panel Size (W×H) | 1/16 DIN W48 × H48mm |
| Input Voltage | AC100 ~ 240V, 50/60Hz; DC24V±10% |
| Operation Voltage Range | Rated voltage: AC 85% ~ 110%; DC 90 ~ 110% |
| Power Consumption | 5VA max. |
| Memory Protection | EEPROM 4K bit (non-volatile memory (number of writes: 100,000) |
| Display Method | 2 line x 4 character 7-segment LED display Process value (PV): Red color, Set point (SV): Green color |
| Sensor Type | Thermocouple: K, J, T, E, N, R, S, B, L, U, TXK 3-wire Platinum RTD: Pt100, JPt100 Analog input: 0 ~ 5V, 0 ~ 10V, 0 ~ 20 m A, 4 ~ 20 m A, 0 ~ 50mV |
| Control Mode | PID, ON/OFF, Manual or PID program control (Ramp/Soak control) |
| Control Output | Relay output: SPDT (SPST: 1/16 DIN and 1/32 DIN size), Max. load 250VAC, 5A resistive load Voltage pulse output: DC 14V, Max. output current 40mA Current output: DC 4 ~ 20m A output (Load resistance: Max. 600) Linear voltage output: 0 ~ 10V |
| Display Accuracy | 0 or 1 digit to the right of the decimal point (selectable) |
| Sampling Rate | Analog input: 150 msec/ per scan Thermocouple or Platinum RTD: 400 msec/per scan |
| RS-485 Communication | MODBUS ASCII / RTU communication protocol |
| Vibration Resistance | 10 to 55Hz, 10m/s2 for 10min, each in X, Y and Z directions |
| Shock Resistance | Max. 300m/ s2, 3 times in each 3 axes, 6 directions |
| Ambient Temperature | 0oC ~ +50oC |
| Storage Temperature | -20oC ~ +65oC |
| Altitude | 2,000m or less |
| Relative Humidity | 35% ~ 80% (non-condensing) |
| Panel Protection Level | IP65 |
| 1st Output Group Selection | R: Relay output, SPDT (SPST: 1/16 DIN and 1/32 DIN size), 250VAC, 5A V: Voltage pulse output, 14V +10% ~ -20% (Max. 40mA) C: DC current output , 4 ~ 20mA L: Linear voltage output, 0 ~ 10VDC |
| 2nd Output Group Selection | R: Relay output, SPDT (SPST: 1/16 DIN and 1/32 DIN size), 250VAC, 5A V: Voltage pulse output, 14V +10% ~ -20% (Max. 40mA) |
| EVENT inputs / CT function (optional) | None: No EVENT input , No CT (Current transformer) E: EVENT input is provided, No CT (Current transformer) T: CT (Current transformer) is provided, No EVENT input V: Valve control |
The Delta DTB4848CRT temperature controller is commonly used in industrial heating systems, process machinery, packaging equipment, ovens, and automation panels requiring dependable thermal regulation with stable 4 ~ 20mA current output functionality. Its compact 48 × 48 mm DIN structure supports organized installation within industrial control cabinet environments operating under continuous production conditions.
Industrial systems integrating the Delta DTB4848CRT benefit from dependable process monitoring supported by EEPROM 4K bit non-volatile memory with up to 100,000 write cycles. The dual-color LED display structure improves operator visibility for process value and set value monitoring across industrial automation and temperature management applications.
For industries searching for a Delta Temperature Controller, the Delta DTB4848CRT provides dependable DC current output control capability, stable industrial temperature regulation, and compact DIN panel integration. Within the Delta DTB Series, it remains a practical solution for industrial automation systems requiring continuous thermal management and reliable process control performance.

