MODEL 231
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Specifications:
| SPECIFICATIONS | MODEL 231 |
| Color: | Black panel, gold engraved lettering |
| Power: | 110VAC input, 12 VDC power supply with battery charger and low voltage transformer |
| Output: | DPDT relay, rated at 3 Amps., 28 VDC |
| Inputs: | Supervised end-of-line 1K resistor for normally closed and open sensors |
| Terminals: | Color-coded leads with plug-in connectors for each eight zone card |
| Size: | 4.50" x 4.50" x 3.50" deep |
| Mounting: | Recessed, double gang face plate |

