
As of: Wednesday, September 9, 2026

20 mA serial or RS-232 input
Compatible with most Rice Lake indicators
NEMA Type 4, 7CD, 9EFG enclosure
Use a protected remote display within the hazardous area while your indicator remains outside. This RD300 remote display is housed within an explosion-proof box—an easy way to make an intrinsically safe device using any existing indicator or controller.
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Input Voltage: NEC Classifications: |
Baud Rate: Interfaces: |
Display: Weight: Warranty: |

| Dimensions | |||||
|---|---|---|---|---|---|
| A | 10.50 in (266.7 mm) | D | 11.75 in (298.5 mm) | G | 11.75 in (298.5 mm) glass diameter |
| B | 9.50 in (241.3 mm) | E | 10.50 in (266.7 mm) | H | 7/16 in (11 mm) diameter holes |
| C | 5.81 in (147.7 mm) | F | 7.50 in (190.5 mm) | ||
| Part # | Description | List Price |
|---|---|---|
| 20904 | 117 VAC RS232/20mA Serial Interface | List Price: $7,675.00 |
www.ricelake.com | 800-472-6703
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