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产品介绍
Time Mark 403 时间控制器
Time Mark Corp. Model 403 Liquid Level Controller
Time Mark Corporation
The Time Mark Model 403 is a liquid level controller which provides central control of duplex pumping systems. The model 403 includes pump alternating, visual run-time meters, hand-off-auto (HOA) controls & alarm outputs. Four level-sense inputs interface with float switches, pressure switches or other level sensing devices which can provide a contact closure. A SPST, normally-closed internal power-fail contact opens when AC power 120VAC is connected to the controller, and closes if power is lost or removed. Connections for external remote alarm contacts, which must remain closed for normal operation (or jumpered if not required), are supplied for each pump. If either circuit opens, the corresponding pump will be locked out until the problem is corrected and the Alarm Reset switch is pressed. Features: Dual run-time meters Selectable lead/lag or automatic alternation Alarm outputs Hand-off-auto controls 4 sensing levels Moisture protected circuits
Manufacturer Time Mark Corporation Model Number 403 Spec Sheet Time_Mark_Model_403_Specs.pdf Additional SKUs No
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