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Features

Pressure/Vacuum switches can provide an electrical signal to warn or prevent over- or under-pressurization which can be harmful to a machine or process. The pressure is adjustable.

Switches are sealed, vibration resistant, and built to provide reliable protection. They can be either direct or remotely mounted.

Switches are available in three basic conﬁgurations:

Flying leads with 18-inch (450-mm) wires.
Flying leads with female weather pack.
DIN connections.

These pressure switches can be incorporated into a GUARDSMAN, SERIES 380, or VANGUARD modular FRL assembly. For information about such installations, contact Master Pneumatic.

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Specs

Ambient/Media Temperature: -40° to 180°F (-40° to 80°C)

Electrical: 5 ampere at 125 / 250 VAC
5 ampere at 12 / 24 VDC

Housing: Glass-ﬁlled nylon

Pressure Fitting: Brass, optional stainless steel

Maximum Overpressure: 350 psig (25 bar)

Repeatability: ± 2% of full set point range at 70°F (20°C) ambient temperature

Weight: 0.3 lb (0.14 kg).

Dimensions

Service Kits & Literature

Catalog Pages

PDA Pressure/Vacuum Switches

Service Kits and Other Literature

PDA Pressure / Vacuum Switches

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Diaphragm Material

Ampere Rating

Electrical Contacts

DIN Light

Material for Pressure Fitting

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Search Part

Part Number	Description	Price
PDA111-2	PRESSURE SWITCH ASSEMBLY	$138.39
PDA113-2	PRESSURE SWITCH ASSY	$160.43
PDA115-1A	PRESSURE SWITCH ASSY	$208.19
PDA211-1	PRESSURE SWITCH ASSEMBLY	$138.39
PDA211-2	PRESSURE SWITCH ASSEMBLY	$138.39
PDA211-2A	PRESSURE SWITCH ASSEMBLY	$162.68
PDA211-2W	PRESSURE SWITCH ASSEMBLY	$138.39
PDA212-2	PRESSURE SWITCH ASSEMBLY	$183.91
PDA213-2	PRESSURE SWITCH ASSY	$160.43
PDA213-2W	PRESSURE SWITCH ASSY BSPP	$160.43
PDA214-2	PRESSURE SWITCH ASSEMBLY	$183.91
PDA215-2	PRESSURE SWITCH ASSEMBLY	$183.91
PDA222-2	PRESSURE SWITCH ASSEMBLY	$183.91
PDA231-2A	PRESSURE SWITCH ASSY,VITO	$162.68
PDA411-1	PRESSURE SWITCH ASSEMBLY	$138.39
PDA411-2	PRESSURE SWITCH ASSEMBLY	$138.39
PDA411-2A	PRESSURE SWITCH ASSEMBLY	$162.68
PDA411-2AE	PRESSURE SWITCH ASSEMBLY	$181.76
PDA411-2AW	PRESSURE SWITCH ASSEMBLY	$162.68
PDA411-2W	PRESSURE SWITCH ASSY BSPP	$138.39
PDA412-2	PRESSURE SWITCH ASSEMBLY	$183.91
PDA413-1	PRESSURE SWITCH ASSY	$160.43
PDA413-2	PRESSURE SWITCH ASSY	$160.43
PDA413-2W	PRESSURE SWITCH ASSY BSPP	$160.43
PDA414-1	PRESSURE SWITCH ASSEMBLY	$183.91
PDA414-2	PRESSURE SWITCH ASSEMBLY	$183.91
PDA414-2A	PRESSURE SWITCH ASSEMBLY	$208.19
PDA414-2AW	PRESSURE SWITCH ASSY BSPP	$208.19
PDA414-2G	PRESSURE SWITCH ASSEMBLY	$295.18
PDA414-2HW	PRESS.SWITCH 12V,1/2 BSPP	$295.18
PDA414-2J	PRESSURE SWITCH ASSEMBLY	$295.18
PDA414-2W	PRESSURE SWITCH ASSY BSPP	$183.91
PDA415-2	PRESSURE SWTICH ASSEMBLY	$183.91
PDA415-2A	PRESSURE SWITCH ASSEMBLY	$208.19
PDA421-1	P.SWITCH ASSEMBLY	$138.39
PDA421-1E	P.SWITCH ASSEMBLY, 10AMP	$157.47
PDA421-2A	PRESSURE SWITCH ASSEMBLY	$162.68
PDA421-2E	P.SWITCH ASSEMBLY, 10AMP	$157.47
PDA431-1	PRESSURE SWITCH ASSEMBLY	$138.39