Economical Pressure and Vacuum Switches

PSW-620/PSW-630 Series

Click for larger image.

^$ 80.00 PSW-631

•	External Pressure Scale and Pointer for Easy Setpoint Adjustment
•	Silver Switch Contacts Rated for 5 Amps @ 250 Vac or 3 Amps @ 28 Vdc
•	1 Amp Gold-Plated Contacts for TTL or Dry Contacts
View related products - Pressure Switches

SPECIFICATIONS
Process Temp: -55 to 105°C (-65 to 221°F) 2% setpoint shift can occur below -23°C (-10°F) or above 52°C (125°F)
Repeatability: ± 2% of max system pressure
Cycling: Not to exceed 20 cycles/min
Warranty: 3 year/1 million cycles
Proof Pressure: 150% Max Pressure
Wetted Parts: 17-7 PH stainless steel, Loctite sealing compound #271, ZA8 alloy, chromate finish
Enclosure: Zinc alloy, chromate finish
Dimensions: 48 L x 28 mm Dia. (1.9 L x 1.1" Dia.)
Pressure Port: 1/8 -27 NPT Male
Electrical Connection: 300 mm (12") pigtail leads, 20 AWG, polyvinyl insulated
Wiring Code (pressure):
   Black = Common
   Red = N/C
   White = N/O
Wiring Code (vacuum):
   Black = Common
   Red = N/O
   White = N/C
Weight: 57 g (2 oz) (approx)

To Order (Specify Model Number)

What Other People Bought: When you see this icon, click on it to expand a list of products that other people have bought when they purchased this model.

Most Popular Models Highlighted!

Part Number	Availability	Price	Description	RoHS	Qty.

Gage Pressure Switches

PSW-621		$85.00	1.6-30 psi pressure switch with 1 Amp Gold plated contacts		qty.

PSW-622		$85.00	3.0-40 psi pressure switch with 1 Amp Gold plated contacts		qty.

PSW-623		$85.00	4.5-100 psi pressure switch with 1 Amp Gold plated contacts		qty.

PSW-624		$85.00	9.7-250 psi pressure switch with 1 Amp Gold plated contacts		qty.

PSW-625		$85.00	20-500 psi pressure switch with 1 Amp Gold plated contacts		qty.

PSW-631		$80.00	1.6-30 psi pressure switch with 5 Amp Silver contacts		qty.

PSW-632	7 Weeks	$80.00	3.0-40 psi pressure switch with 5 Amp Silver contacts		qty.

PSW-633		$80.00	4.5-100 psi pressure switch with 5 Amp Silver contacts		qty.

PSW-634		$80.00	9.7-250 psi pressure switch with 5 Amp Silver contacts		qty.

PSW-635		$80.00	20-500 psi pressure switch with 5 Amp Silver contacts		qty.


Vacuum Switches

PSW-626	7 Weeks	$85.00	2.7-28.2 inHg vacuum switch with 1 Amp Gold plated contacts		qty.

PSW-627		$85.00	5.1-28.2 inHg vacuum switch with 1 Amp Gold plated contacts		qty.

PSW-628	7 Weeks	$85.00	8.4-28.2 inHg vacuum switch with 1 Amp Gold plated contacts		qty.

PSW-636		$80.00	2.7-28.2 inHg vacuum switch with 5 Amp Silver contacts		qty.

PSW-637		$80.00	5.1-28.2 inHg vacuum switch with 5 Amp Silver contacts		qty.

PSW-638	7 Weeks	$80.00	8.4-28.2 inHg vacuum switch with 5 Amp Silver contacts		qty.

† All dollar amounts on this site are shown in US currency.

Ordering Example: (1) PSW-621 is a 1.6-30 psi pressure switch with 1 Amp Gold plated contacts, $85.00

Keywords:Economical Pressure and Vacuum Switches, temperature humidity chart recorders vacuum pressure gage