For Use With For Use With |
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Maximum Setpoint Maximum Setpoint |
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Scale Scale |
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Maximum Pressure Maximum Pressure |
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Housing Material Housing Material |
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Minimum Setpoint Minimum Setpoint |
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Switch Starting Position Switch Starting Position |
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Specifications Met Specifications Met |
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Gasket Material Gasket Material |
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Environment Environment |
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Often used with ovens, dryers, and HVAC systems, these switches detect small differences in pressure. When the differential pressure exceeds your setpoint, the switch is activated. Use them to automate controls or activate an alarm in your process. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. They can be wired normally open (NO) or normally closed (NC).
Temperature Range, °F | Conduit | ||||||||||
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Setpoint, in. of H2O | Approximate Difference Between Setpoint and Reset Point, in. of H2O | Max. Pressure, in. of H2O | Accuracy | Pipe Size | Environment | Process | For Trade Size | Connection Gender | Specifications Met | Each | |
Zinc-Plated Steel Housing | |||||||||||
0.07-0.15 | 0.04 | 45 | ± 3% | 1/8 | -30° to 180° | -30° to 180° | 7/8 | Female | CE Marked, CSA Certified, FM Approved, UL Listed | 00000000 | 000000 |
0.15-0.55 | 0.1 | 45 | ± 3% | 1/8 | -30° to 180° | -30° to 180° | 7/8 | Female | CE Marked, CSA Certified, FM Approved, UL Listed | 00000000 | 00000 |
0.4-1.6 | 0.16 | 45 | ± 3% | 1/8 | -30° to 180° | -30° to 180° | 7/8 | Female | CE Marked, CSA Certified, FM Approved, UL Listed | 00000000 | 00000 |
1.4-5 1/2 | 0.3 | 45 | ± 3% | 1/8 | -30° to 180° | -30° to 180° | 7/8 | Female | CE Marked, CSA Certified, FM Approved, UL Listed | 00000000 | 00000 |
3-11 3/4 | 0.4 | 45 | ± 3% | 1/8 | -30° to 180° | -30° to 180° | 7/8 | Female | CE Marked, CSA Certified, FM Approved, UL Listed | 00000000 | 00000 |
4-20 | 0.5 | 45 | ± 3% | 1/8 | -30° to 180° | -30° to 180° | 7/8 | Female | CE Marked, CSA Certified, FM Approved, UL Listed | 00000000 | 00000 |
These switches operate based on the difference in pressure between two process lines. When the differential pressure exceeds your setpoint, the switch is activated. Often used to indicate clogged filters, they are designed to automate controls or activate an alarm in your process. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. They can be wired normally open (NO) or normally closed (NC). They are rated NEMA 4 to withstand washdowns, dust, and outdoor environments.
Temperature Range, °F | Conduit | |||||||||||
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Setpoint, psi | Approximate Difference Between Setpoint and Reset Point, psi | Max. Pressure, psi | Accuracy | Pipe Size | Environment | Process | For Trade Size | Connection Gender | Environmental Rating | Specifications Met | Each | |
300 Series Stainless Steel and Polyester Plastic Housing | ||||||||||||
1-10 | 0.75 | 150 | ±1% | 1/4 | 30° to 160° | 0° to 200° | 7/8 | Female | NEMA 4 | UL Listed, C-UL Listed, CE Marked | 00000000 | 0000000 |
4-45 | 1 | 150 | ±1% | 1/4 | 30° to 160° | 0° to 200° | 7/8 | Female | NEMA 4 | UL Listed, C-UL Listed, CE Marked | 00000000 | 000000 |
Not only are these switches rated NEMA 4X for protection from dirt, washdowns, and corrosion, they also have an indicator for additional monitoring at the source of your application. Switches operate based on the difference in pressure between two process lines. When the differential pressure exceeds your setpoint, the switch is activated. Use them to automate controls or activate an alarm in your process. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. They can be wired normally open (NO) or normally closed (NC).
Temperature Range, °F | Conduit | Lens | |||||||||||
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Setpoint, psi | Approximate Difference Between Setpoint and Reset Point, psi | Max. Pressure, psi | Accuracy | Pipe Size | Environment | Process | For Trade Size | Connection | Dia. | Material | Specifications Met | Each | |
Brass Housing | |||||||||||||
3-15 | 3 | 5,000 | ±2% | 1/4 | -40° to 175° | -40° to 175° | 1/2 | NPT Female | 3" | Glass | CSA Certified | 00000000 | 0000000 |
6-30 | 6 | 5,000 | ±2% | 1/4 | -40° to 175° | -40° to 175° | 1/2 | NPT Female | 3" | Glass | CSA Certified | 00000000 | 000000 |
10-50 | 10 | 5,000 | ±2% | 1/4 | -40° to 175° | -40° to 175° | 1/2 | NPT Female | 3" | Glass | CSA Certified | 00000000 | 000000 |
These switches are rated NEMA 4 for protection from dirt and washdowns. They operate based on the difference in pressure between two process lines. When the differential pressure exceeds your setpoint, the switch is activated. Often used to indicate clogged filters, they are designed to automate controls or activate an alarm in your process. Switches are single pole, double throw (SPDT), so they switch one circuit on or off. They can be wired normally open (NO) or normally closed (NC).
Temperature Range, °F | Conduit | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Setpoint, psi | Approximate Difference Between Setpoint and Reset Point, psi | Max. Pressure, psi | Accuracy | Pipe Size | Environment | Process | For Trade Size | Connection | Specifications Met | Each | |
300 Series Stainless Steel and Polyester Plastic Housing | |||||||||||
1-10 | 0.75 | 150 | ±1% | 1/4 | 30° to 160° | 0° to 200° | 7/8 | NPT Female | C-UL Listed, CE Marked, UL Listed | 00000000 | 0000000 |
4-45 | 1 | 150 | ±1% | 1/4 | 30° to 160° | 0° to 200° | 7/8 | NPT Female | C-UL Listed, CE Marked, UL Listed | 00000000 | 000000 |
Often used to detect clogged air filters and iced air conditioner coils, these switches sense small changes in pressure between two points in your duct.
Setpoint, in. of H2O | Accuracy, in. of H2O | Temperature Range, °F | Current | Electrical Connection Type | Switch Type | Max. Pressure, psi | Low Pressure Side Connection | High Pressure Side Inside Connection | High Pressure Side Outside Connection | Each | |
Diaphragm Sensor | |||||||||||
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0.05-5 | 0.025 | -40° to 165° | 2.9 A @ 240 V AC 5.8 A @ 120 V AC | Hardwire | SPDT | 1 | 1/8 NPT Female | 1/8 NPT Female | 1/2 NPSM | 000000 | 0000000 |
0.05-5 | 0.04 | -40° to 165° | 4.9 A @ 240 V AC 9.8 A @ 120 V AC | Hardwire | SPDT | 1 | 1/8 NPT Female | 1/8 NPT Female | 1/2 NPSM | 000000 | 000000 |