Supervisory switch (For OS&Y gate valve)
- Certificate: UL Listed / FM Approved
- Standard: Comply to NFPA 13, 13D, 13R, 72
- Valve type: OS&Y gate valve
- Wiring: Up to 12 AWG wire connection
- Temperature: -40°C to 60°C
- Surface: Corrosion resistant finish
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Description
Supervisory switch (For OS&Y valve) is used to monitor the open position of an outside screw and yoke gate valve. It contains visual switch indicators, adjustable length trip rod, two conduit entrances, bracket, etc.
It is a 3-position switch. When it is installed on the OS&Y valve, the valve is fully open and the trip rod of the switch is in the groove of the valve stem. Closing the valve will cause the trip rod to ride up out of the groove and activate the supervisory switch.
Available size
| Switch | Contact ratings | Conduit entrances | Ref. No. |
|---|---|---|---|
| Single (One set of SPDT) | 15A or 10A at 125/250VAC, 2.5 A at 30VDC | 2 knockouts for 1/2″ conduit provided | V8110 |
| Double (Two sets of SPDT) | 15A or 10A at 125/250VAC, 2.5 A at 30VDC | 2 knockouts for 1/2″ conduit provided | V8120 |
| Double (Two sets of SPDT), with tamper switch | 15A or 10A at 125/250VAC, 2.5 A at 30VDC | 2 knockouts for 1/2″ conduit provided | V8125 |
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