Delta DTB4896RR Temperature Controllers
Delta DTB4896RR Temperature Controller is designed for industrial thermal regulation and dual relay output process control applications within automation systems. This 1/8 DIN W48 × H96mm controller supports 2-relay outputs rated at 250V 5A for dependable industrial switching operation during heating and cooling processes. 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 monitoring 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 | DTB4896RR |
Delta Output 2- Relay 250V 5A DTB4896RR Technical Specifications:
| Specification | Value |
|---|---|
| Panel Size (W×H) | 1/8 DIN W48 × H96mm |
| 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 DTB4896RR temperature controller is commonly used in industrial heating systems, packaging equipment, ovens, process machinery, and automation panels requiring dependable relay-based thermal regulation and stable process monitoring functionality. Its 48 × 96 mm DIN structure supports organized installation within industrial control cabinet environments operating under continuous production conditions.
Industrial systems integrating the Delta DTB4896RR benefit from dependable process monitoring supported by EEPROM 4K bit non-volatile memory with up to 100,000 write cycles. The controller also supports shock resistance up to 300m/s² across multiple axes and directions, improving operational reliability in demanding industrial automation environments.
For industries searching for a Delta Temperature Controller, the Delta DTB4896RR provides dependable dual relay output control capability, stable industrial thermal regulation, and compact DIN panel integration. Within the Delta DTB Series, it remains a practical solution for industrial automation systems requiring continuous temperature management and reliable process control performance.

