Air Switch TBS133 is a DPDT pneumatic switch manufactured by Techmark, combining momentary and alternate action. It’s used to control two appliances where initial activation depends on holding the air button until a pressure or vacuum switch engages. The circuit stays live until manually cancelled or pressure drops. Commonly used for pump circuits in hot tub systems.
Specifications:
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Voltage: 250 VAC
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Current: 16 A resistive / 4 A inductive
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Action: Momentary/Alternate
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Connections: 4 x spade terminals
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Dimensions: 57 mm (H) x 25 mm (W) x 50 mm (D)
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Hole Size: 15 mm
Quantity: Sold individually.
