High Quality Fire Sprinkler Monitor Supervisory Switch
| US$15.90 - 29.90 | 50 Pieces (MOQ) |
Port:
Shanghai, China
Production Capacity:
5000PCS/Month
Payment Terms:
L/C, T/T
SUZHOU TEWASPRAY FIRE PROTECTION TECHNOLOGY CO., LTD.
Jiangsu, China
Last Login Date:
Jul 17, 2025
Business Type:
Manufacturer/Factory
Main Products:
Water Flow Switch, Water Flow Detector, Supervisory Switch, Pressure Switch, Zone Control Valve, Alarm Valve, Fire Sprinkler, Potter Flow Switch, Fire Protection Valve, Water Flow Sensor
Product Description
Company Info
Basic Info.
Model NO.
OSYSU
Contact Ratings
2.0AMPS at 24 VDC
Enclosure
NEMA 4
Conduit Entrances
One Opening for 1/2" Conduit
Cover
Die-Castin Aluminum
Trademark
TEWASPRAY
Transport Package
One Piece in One Carton Box
Specification
0.75kg
Origin
Cn
HS Code
8481901000
Product Description
The OSY-1 supervisory switch is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve. OSY-1 supervisory switch shall be installed on each valve as designated on the drawing and/or as specified herein, Switches shall be mounted so as not to interfere with the normal operation of the valve and shall be adjusted to operate with two revolutions of the valve control or when the stem has moved no more than one-fifth of the distance from its normal position.
Supervisory switch shall have one form C contacts, switch contact rating 10.1Amps at 125/250VAC, 2.0Amps at 24 VDC.
Testing
The operation of the OSY-1 and its associated protective monitoring system shall be inspected, tested, and maintained in accordance with all applicable local and national codes and standards and/or the authority having jurisdiction (manufacturer recommends quarterly or more frequently). A minimum test shall consist of turning the valve wheel towards the closed position. The OSY switch shall operate within the first two revolutions of the wheel. Fully close the valve and ensure the OSY switch does not restore. Fully open the valve and ensure OSY switch restore to normal.
Supervisory switch shall have one form C contacts, switch contact rating 10.1Amps at 125/250VAC, 2.0Amps at 24 VDC.
Testing
The operation of the OSY-1 and its associated protective monitoring system shall be inspected, tested, and maintained in accordance with all applicable local and national codes and standards and/or the authority having jurisdiction (manufacturer recommends quarterly or more frequently). A minimum test shall consist of turning the valve wheel towards the closed position. The OSY switch shall operate within the first two revolutions of the wheel. Fully close the valve and ensure the OSY switch does not restore. Fully open the valve and ensure OSY switch restore to normal.
| Contact Ratings: | 10.1Amps at 125/250 VAC |
| 2.0Amps at 24 VDC | |
| Enclosure: | NEMA 4- suitable for indoor/outdoor use |
| Operating Temperature Range | 32º F to 140ºF (0ºC to 60ºC) |
| Visual switch indicators | |
| Adjustable length trip rod | |
| Accommodates up to 12AWG wire | |
| Conduit Entrances: | One opening for 1/2" conduit |
| Service Use: | Automatic Sprinkler: NFPA-13 |
| One or Two Family Dwelling: NFPA-13D | |
| Residential Occupancies up to 4 stories: NFPA-13R | |
| National Fire Alarm Code: NFPA-72 | |
| Warranty: | 3 Years |
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