Dwyer德威尔 DFS-DM20 DFS-DA20 DFS-DM10 低限冻结保护开关

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[ssba]
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Wetted Material:Vapor-filled copper capillary, 10′ or 20′.Housing Material:Plated steel case, painted steel cover, plastic set point window.Temperature Limit:Operating: -60 to 160°F (-51 to 71°C); Sensing element: 300°F (149°C) max.Switch Type:DPDT snap acting.Electrical Ratings:Inductive: 14 FLA, 84 LRA, 3/4 hp @ 120VAC; 12 FLA, 72 LRA, 2 hp @ 240 VAC. Pilot Duty: 720 VA max @ 120 to 600 VAC; 144 VA max @ 24 VAC.Reset Action:Manual or automatic.Adjustable Range:34 to 70°F (1 to 21°C).Deadband:4.5°F (2.5°C), fixed.Agency Approvals:cULus.