PS71 系列压力开关
通用型微型压力开关
特性...
- 10到750psi (0.7到51.7bar)
- 现场可调或工厂设定
- 在低温极限下设定点变化极小
概述/设计原理:
PS72系列压力开关基于多功能微动开关设计，适用于OEM客户的中等压力的应用，拥有已经证实的PS71系列的全部性能，同时还具备Kapton®的低温能力.
| Specifications: | ||
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Operating Temperature |
see table below |
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Switch |
see table below |
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Wetted Parts |
Housing: Zinc plated steel (316L stainless steel and brass available) |
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Electrical Termination |
DIN 43650A IP65; Spade Terminals IP00; Flying Leads IP65; Conduit with Flying Leads IP65; IP Option IP66 |
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Proof Pressure |
3000 psi (207 bar) |
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| Burst Pressure | 6000 psi (414 bar) | |
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Approvals |
CE, UL Approved units available, consult factory |
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Weight, Approximate |
0.4 lbs. (0.15 kg) Steel |
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| Recommended Operating Temperature Limits* | |||
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Diaphragm Material |
-A, -B, -C Circuit without -RD |
-A, -B, -C Circuit with -RD |
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Teflon Coated Kapton® |
-40°F to 185°F (-40°C to 85°C) |
-40°F to 250°F (-40°C to 121°C) |
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* Switches may function below the cold temperature limit, but the setpoints and deadband will increase. Consult factory for details.
| Switch Ratings | |||
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Electrical Switch Ratings |
AC |
DC |
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No option or -RD |
5 amps @ 125/250 Volts |
5 amp resistive, 3 amps inductive @ 28 Volts |
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-G or -RD with -G |
1 amp @ 125 Volts |
1 amp resistive, 0.5 amp inductive @ 28 Volts |
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-10A or -SP without -G |
10.1 amp @ 125/250 Volts |
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-SP with -G |
2 amp @ 125/250 Volts |
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| Repeatability / Deadband | |||
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Pressure Range Code |
Pressure Range |
Repeatability |
Average Deadband* |
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10 |
10-30 psi (0.7 to 2.1 bar) |
± 1.5 psi (0.103 bar) + 3% of setting |
3.5 psi (0.28 bar) + 12% of setting |
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20 |
25-75 psi (1.7-5.2 bar) |
± 2.5 psi (0.172 bar) + 3% of setting |
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30 |
65-300 psi (4.5-20.7 bar) |
± 5.0 psi (0.138 bar) + 3% of setting |
20 psig (1.38 bar) + 12% of setting |
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40 |
250-1000 psi (17.2-69 bar) |
± 15 psi (1.03 bar) + 3% of setting |
45 psig (3.10 bar) + 13% of setting |
*These numbers are for the standard microswitch. With either the -SP or 10A option, the values are typically 20% greater than those listed. With the -RD option, the values are typically 25% less than those listed. In certain applications, deadband can be tailored and controlled to customer specifications. Consult factory for details.
