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Predision HESC-T-034 RS-232/RS-485 to 2-port RS-485 Hub
Manufacturer Part Number: HESC-T-034
Brand: Predision
$ 238.00
- Operating Temperature: -40°C to 85°C
- ±15 kV ESD Protection, 600 W Lightning Surge Protection per wire
- Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous)
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Backordered
More stock available: May 29, 2026 (UTC-4)
Designed for mission-critical reliability in high-EMI environments, the HESC-T-034 features an industrial 10-pin Terminal Block interface for both RS-232C and RS-485 connections, ensuring secure and vibration-resistant wiring. This hub supports data rates up to 115.2 kbps and provides a robust electrical "Air-Gap" with 2,500 Vrms galvanic isolation and 600 W TVS surge protection per port.
Its intelligent Star-Topology management allows for seamless network segmentation; if one RS-485 branch fails, the hub automatically isolates the faulty segment, preventing a single-point failure from collapsing the entire bus. With integrated Automatic Data Direction Sensing and support for distances over 1,200 meters, the HESC-T-034 is the standard for highway tolling, grid monitoring, and large-scale industrial automation.
| Standard | RS-232C, RS-485 EIA/TIA |
| Electrical Interface | RS-232C: 10-pin Terminal Block |
| Interface Protection | RS-232: ±15 kV ESD Protection RS-485: 600 W Lightning Surge Protection per wire |
| Isolation Voltage | 2,500 Vrms, 500 VDC (Continuous), DC/DC module |
| Operating Mode | Asynchronous Half-duplex, Point-to-point |
| Operating Power | 9 - 30 VDC / 150 mA |
| Signal Indicators | 5 LEDs: Power (PWR), Transmit (TXD), Receive (RXD), Error (E1-E2) |
| Transmission Media | Twisted-pair (UTP) or Shielded Cable (STP) |
| Baud Rate | 300 bps - 115.2 kbps |
| Dimension | 120 x 80 x 25 mm |
| Operating Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% (Non-condensing) |
| Transmission Distance | 5,000m（at 9,600 bps) |
Industrial RS-232 to 2-port RS-485 Converter with Optical Isolation, Baud Rate: 300 bps - 115.2 kbps, Power: 9-30 VDC/ 350 mA, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), DC/DC module, ±15 kV ESD Protection, 600 W Lightning Surge Protection per wire, Operating Temperature: -40℃ to 85℃.
Industrial RS-232/RS-485 to 2-port RS-485 Hub, Operating Power: 9-30 VDC / 150 mA, Baud Rate: 300 bps - 115.2 kbps, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), ±15 kV ESD Protection, 600 W Lightning Surge Protection per wire, Operating Temperature -40℃ to 85℃.
RS-232/RS-485 to 4-port RS-485 Hub (Din-rail), Operating Power: 9 - 30 VDC/150 mA, Baud Rate: 300 bps - 115.2 kbps, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), ±15 kV ESD Protection, 600W Lightning and Surge Protection per wire, Operating Temperature: -40℃ to 85℃.
Industrial RS-485/422 to 4-port RS-485/422 Hub, Baud Rate: 300 bps - 115.2 kbps, Operating Voltage: 9 - 48 VDC, Transmission Distance: 1,200m (at 9,600 bps), 8/20μs 3,000A Lightning Surge Protection per wire, Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), Operating Temperature: -40℃ to 85℃.
RS-232/485 to 4-port RS-485/422 Photoelectric Isolated Hub, Baud Rate: 300 bps - 115.2 kbps, Operating Voltage: 9 - 48 VDC, Transmission Distance: 1,200m (at 9,600 bps), 8/20μs 3,000A Lightning Surge Protection per wire, Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), Operating Temperature: -40℃ to 85℃.
RS-232/RS-485 to 8-port RS-485 Photoelectric Isolated Hub, Din-rail, Input Voltage: 12 - 48 VDC, Baud Rate: 300 bps - 115.2 kbps, Transmission Distance: 1,200m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), 15 kV ESD Protection (RS-232), 1,500 W Lightning and Surge Protection per wire (RS-485), 2,000 V Lightning and Surge Protection (Power Supply), Operating Temperature: -40℃ to 85℃.
Industrial RS-232/RS-485 to 8-port RS-485 Hub, Baud Rate: 300 bps - 115.2 kbps, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), ±15 kV ESD Protection (RS-232), 1,500 W Lighting and Surge per wire (RS-485), Operating Temperature: -40℃ to 85℃.
Industrial Rack-mount RS-232/RS-485 to 8-port RS-485 Photoelectric Isolated Hub, 1U Enclosure, 100 - 240 VAC 50/60Hz, Baud Rate: 300 bps - 115.2 kbps, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms 500 VDC (Continuous), ±15 kV ESD Protection (RS-232), 1,500 W Lighting and Surge per wire (RS-485), Operating Temperature: -40℃ to 85℃.
RS-232/RS-485 to 8-port RS-485 Photoelectric Isolated Hub, Baud Rate: 300 bps - 115.2 kbps, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), ±15 kV ESD Protection (RS-232), 1,500 W Lighting and Surge Protection per wire (RS-485), Operating Temperature: -40℃ to 85℃.
RS-232/RS-485 to 16-port RS-485 Photoelectric Isolated Hub, 1U Enclosure, Baud Rate: 300 bps - 115.2 kbps, Input Voltage: 100 - 240 VAC, 50/60 Hz, Transmission Distance: 5,000m (at 9,600 bps), Isolation Voltage: 2,500 Vrms, 500 VDC (Continuous), ±15 kV ESD Protection (RS-232), 1,500 W Lighting and Surge Protection per wire (RS-485), Operating Temperature: -40℃ to 85℃.
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