| Model | 5550 | Mechanical Vibration Switch |
| Hazardous Area Rating | 1 | UL US/CA Explosion Proof , silver contacts(1)(2) Class I, Div 1, Groups C,D Class II, Div 1, Groups E,F,G |
| Relay Contacts | 1 | SPDT, Silver, 15A(1)(3) |
| Reset / Startup Delay Coil Holding Strength(3) | 3 | 10g |
| Reset / Startup Delay Coil Voltage | 0 | None(4)(5) |
| Wiring Entry / Mounting Hole Pattern(6) | 1 | ¾” NPT / Metrix 5173 or 5175 |
| Environmental Rating | 0 | NEMA 4 / IP66(4) |