| 1 | Model | Alert 3021 |
| 2 | Input | 2 numbers of potential free contacts, optically isolated |
| 3 | Input Type | Make or Break to alarm individually selectable |
| 4 | Push Buttons | Test, Accept, Reset Push Buttons on front facia and external on back panel |
| 5 | Operating Sequence | 4 ISA standard sequences, Factory Set to Auto Reset |
| 6 | Window Size | 67 x 37 mm |
| 7 | Enclosure | CCOE Approved Flame Proof Enclosure for Group IIA & IIB |
| 8 | Dimensions | L: 280 x W: 140 x D 175 mm approximate |
| 9 | Weight | 8-9 kgs |
| 10 | Cable Glands | 7 Nos. of Flameproof Double Compression Glands |
| 11 | Output | 3 Relay C/o Contact 1 Each for Hooter Lamp |
| 12 | System Healthy | Flashing Green LED |
| 13 | Power Supply | 230 V AC, +/- 10% (other options on demand) |
