5550-121-110 | Metrix 5550 Mechanical Vibration Switch

Part Number: 5550-121-110Model: 5550 Mechanical Vibration SwitchManufacturer: MetrixOrdering InformationModel: 5550 - Mechanical Vibration SwitchHazardous Area Rating: 1 -UL US/CA Explosion Proof, silver contacts1,6 Class I, Div 1, Groups C, DClass II, Div 1, Groups E, F, GRelay Contacts: 2 - DPDT, Silver, 15A1,2Reset / Startup Delay Coil Holding Strength3: 1 - 5gReset / Startup Delay Coil Voltage: 1 - 115 VacWiring Entry / Mounting Hole Pattern4: 1 - ¾” NPT / Metrix 5173 or 5175Environmental Rating: 0 - NEMA 4 / IP665NOTE: Options A=0 through A=4 are only compatible with B=1 or B=2. Options A=5 through A=9 are only compatible with B=3 or B=4. INMETRO approvals (A=11) available with silver relay contacts only (B=1 or B=2)When D=0 (no reset /startup delay coil), the C option is ignored regardless of which value is selected. All switches ship with a fullscale range of approximately 16gs. Consult Figure 1 for mounting plate dimensions corresponding to E options.UL US/CA approvals require tapered threads for conduit and are not compatible with option E=4, 6, or 8.