Transformer Protection Relay – TPR-804
₹13,125 – ₹15,225
Prices are inclusive of Delivery Charges.
Product Description
TPR-804-4 – 4 Channel Temperature Scanner cum Protection Relay with 4 relay outputs.
TPR-804-8 – 8 Channel Temperature Scanner cum Protection Relay with 4 relay outputs.
Technical Specifications
| Parameters | Description |
|---|---|
| No. of channels | 4 or 8 |
| Input | RTD (Pt-100) 2 or 3 wires - external temperature sensors |
| Display and Set Point Range | -50.0 to 200.0 ?C |
| Accuracy | Better than ± 0.1 ?C, (Software linearized for temperature) |
| Display | 5 digits each 0.5 7-segment Red /Green LED to indicate Actual temperature, Alarm values and 2 digits 0.3 7-segment Red LED for channel number. |
| Display Scan Rate | 1 to 99 sec (programmable through front panel keyboard) |
| Skip/Hold Facility | Available through key board in configuration mode |
| High / Trip / Fan Alarm | User programmable set values. |
| Common Relay output | 4 nos. potential free (C-NO) contacts (1 each for high, trip, Fan and fault) but common for all the channels). Optionally maximum 8 relay outputs can be provided using external relay card. |
| LED Indication s | 8 dual colour LEDs in the front indicating status of each alarm output whether High or Trip. |
| Digital Interface (Optional) | 2 wire isolated RS485 on MODBUS RTU protocol with programmable slave ID |
| Supply | 90V - 260VAC (10VA), 50/60Hz or 24VDC @ 300mA (Any one) |
| Enclosure | Plastic with ABS bezel and polycarbonate front. |
| Size / Weight | 96 x 96 x 160 mm. / 1.1 Kg. |
| Extra Feature | Any additional features other than above can be provided against users special requirement. |
Ordering Information
| Sr. No. | Model | Description | Part No. |
|---|---|---|---|
| 1.1 | TPR -804 | Input: 4 nos. of RTD (Pt-100) | 3400-1 |
| Output: 4 Common Relays | |||
| 1.2 | TPR -804 | Input: 4 nos. of RTD (Pt-100) | 3400-2 |
| Output: 4 Common Relays | |||
| Digital Interface : RS-485 | |||
| 1.3 | TPR -804 | Input: 8 nos. of RTD (Pt-100) | 3400-3 |
| Output: 4 Common Relays | |||
| 1.4 | TPR -804 | Input: 8 nos. of RTD (Pt-100) | 3400-4 |
| Output: 4 Common Relays | |||
| Digital Interface : RS-485 |
