System Sensor® OSY2

Model shall be model number OSY2 supervisory switch as manufactured by System Sensor®. OSY2 shall be installed on each valve as designated on the drawings 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 within two revolutions of the valve control or when the stem has moved no more than one-fifth of the distance from its normal position. The mechanism shall be contained in a weather-proof die-cast metal housing that provides a side entrance for 1/2 in conduit and incorporates the necessary facilities for attachment to the valve. A grounding provision is provided. The switch assembly shall include two switches each with a rated capacity of 10 A at 125/250 VAC and 2.5 A at 24 VDC. The cover shall contain tamper-resistant screws for which a security wrench will be provided with each switch.

System Sensor® Supervisory Switch, 1 A at 125/250 VAC, 2.5 A at 6/12/24 VDC Contact Rating, Contact Configuration: (2) SPDT, 32 to 120 deg F, Outside Screw and Yoke Valves Actuator, 3-1/4 in L x 3-1/2 in W x 5-3/4 in H

• NEMA 3R-rated enclosure
• User-friendly mounting bracket fits newer valve yokes
• Single side conduit entry does not require right angle fittings
• Adjustable length actuator eliminates the need for cutting the shaft
• Accommodates up to 12 AWG wire
• Three position switch monitors vandal and valve close signals
• Two SPDT contacts are enclosed in a durable terminal block for added strength
• 100% synchronization activates both alarm panel and local bell simultaneously

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/System_Sensor_OSY2_Instruction_Installation_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/System_Sensor_OSY2_Specification_Sheet.pdf