4-20 mA Signal Surge Protector, 24 VDC, 2-Line – DIN-Rail SPD for Field Transmitter Loops
$32.99
Two-line signal surge protector for 0-20 mA / 4-20 mA loops at 24 VDC. Installs between the field cable and the RTU or PLC input.
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Technical specification sheet · automationbotx.com
| SKU | ABX-AE-667642 |
|---|---|
| Brand | Telebahn |
| Signal | 0-20 mA / 4-20 mA |
| Working voltage | 24 VDC |
| Lines | 2 |
| Poles | 1 |
| Type | Conventional signal SPD |
| Use | Measuring and control systems |
Data as published in this listing by the manufacturer or supplier. Price, stock and shipping are shown above.
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Description
Long instrument cables on a wellsite or tank battery pick up induced surges from nearby lightning, and the first thing to fail is usually the analog input card. This signal-line surge protector goes in series with a 0-20 mA or 4-20 mA loop at 24 VDC, between the field cable coming in from the transmitter and the RTU or PLC terminal, and diverts surge energy to ground.
It complements a power-side surge device: the AC SPD protects the supply, this one protects the signal pair.
Specifications (as listed by the supplier)
- Brand: Telebahn
- Signal: 0-20 mA / 4-20 mA
- Working voltage: 24 VDC
- Lines: 2
- Poles: 1
- Type: Conventional signal SPD
- Use: Measuring and control systems
Notes
- A surge protector only works with a low-resistance ground connection; bond it to the panel ground bar.
- No surge rating standard or certificate is stated by the supplier.
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