Relay module is a 4-wire device installed at the terminal end of the fire telephone bus to extend communication distance, while enhancing signal integrity through improved noise immunity.
Available size
| Rated voltage | Operating current | Relay distance | Dimension W x H x D (mm) | Ref. No. |
|---|---|---|---|---|
| 24 VDC, TEL bus and PSU | ≤ 600 mA | ≤ 1000 m | 121 x 188 x 40 | AE4601 (ISO) |
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