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This pressure switch trips across a 0.8 to 30 psi (0.06 to 2.07 bar) set range on a 1 A SPST contact with a 0.8 to 1.3 psi (0.06 to 0.09 bar) deadband. It connects through a 1/8" NPT Male port in a sealed industrial body. It suits indoor oem pressure and vacuum monitoring and low-energy and ttl circuit switching.
This pressure switch trips across a 0.8 to 30 psi (0.06 to 2.07 bar) set range on a 1 A SPST contact with a 0.8 to 1.3 psi (0.06 to 0.09 bar) deadband. It connects through a 1/8" NPT Male port in a sealed industrial body. It suits indoor oem pressure and vacuum monitoring and low-energy and ttl circuit switching.
The PSW-621 Series comprises economical pressure and vacuum switches with an external pressure scale and an adjustable setpoint. They handle vacuum to 500 psi (34 bar) and use silver switch contacts.
Features
Applications
| Series | PSW-621 Series |
| Type | pressure switch |
| Pressure type | Gauge |
| Switch | (1) 1 A SPST |
| Set point range | 0.8 to 30 psi (0.06 to 2.07 bar) |
| Deadband | 0.8 to 1.3 psi (0.06 to 0.09 bar) |
| Adjustability | Fixed |
| Pressure connection | 1/8" (3.2 mm) NPT Male |
| Process Temperature | -67 to 221°F (-55 to 105°C); 2% setpoint shift can occur below -10°F (-23°C) or above 125°F (52°C) |
| Repeatability | ±2% of maximum system pressure |
| Cycling | Not to exceed 20 cycles/min |
| Warranty | 3 year/1 million cycles |
| Proof Pressure | 150% maximum pressure |
| Wetted Parts | 17-7 PH stainless steel, loctite sealing compound #271, ZA8 chromate finish |
| Enclosure | Zinc alloy, chromate finish |
| Pressure Port | 1/8-27 MNPT |
| Electrical Connection | 12" (30.5 cm) pigtail leads, 20 AWG, polyvinyl insulated |
| Pressure Range | Vacuum to 500 psi (34.47 bar) |
| Switch Contacts | Silver Switch Contacts, Rated for 5 A @ 250 V AC or 3 A @ 28 V DC; 1 A Gold-Plated Contacts |
| Process Temp | -67 to 221°F (-55 to 105°C); 2% setpoint shift can occur below -10°F (-23°C) or above 125°F (52°C) |
| Wiring Code (Pressure) | Red = N/C, White = N/O, Black = Common |
| Wiring Code (Vacuum) | Red = N/O, White = N/C, Black = Common |
| Dimensions | 1.9 x 1.1" (48 x 28 mm) length x diameter |
| Weight | Approximately 2 oz (57 g) |
| Series | PSW-621 Series |
| Type | pressure switch |
| Pressure type | Gauge |
| Switch | (1) 1 A SPST |
| Set point range | 0.8 to 30 psi (0.06 to 2.07 bar) |
| Deadband | 0.8 to 1.3 psi (0.06 to 0.09 bar) |
| Adjustability | Fixed |
| Pressure connection | 1/8" (3.2 mm) NPT Male |
| Process Temperature | -67 to 221°F (-55 to 105°C); 2% setpoint shift can occur below -10°F (-23°C) or above 125°F (52°C) |
| Repeatability | ±2% of maximum system pressure |
| Cycling | Not to exceed 20 cycles/min |
| Warranty | 3 year/1 million cycles |
| Proof Pressure | 150% maximum pressure |
| Wetted Parts | 17-7 PH stainless steel, loctite sealing compound #271, ZA8 chromate finish |
| Enclosure | Zinc alloy, chromate finish |
| Pressure Port | 1/8-27 MNPT |
| Electrical Connection | 12" (30.5 cm) pigtail leads, 20 AWG, polyvinyl insulated |
| Pressure Range | Vacuum to 500 psi (34.47 bar) |
| Switch Contacts | Silver Switch Contacts, Rated for 5 A @ 250 V AC or 3 A @ 28 V DC; 1 A Gold-Plated Contacts |
| Process Temp | -67 to 221°F (-55 to 105°C); 2% setpoint shift can occur below -10°F (-23°C) or above 125°F (52°C) |
| Wiring Code (Pressure) | Red = N/C, White = N/O, Black = Common |
| Wiring Code (Vacuum) | Red = N/O, White = N/C, Black = Common |
| Dimensions | 1.9 x 1.1" (48 x 28 mm) length x diameter |
| Weight | Approximately 2 oz (57 g) |
