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  • 产品名称:PS71系列压力开关

  • 产品型号:PS71
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简单介绍:
10到5000psi (0.7到344bar)
详情介绍:

PS71 系列压力开关

通用型微型压力开关 
 

特性... 

  • 10到5000psi (0.7到344bar) 

 

概述/设计原理: 

PS71系列通用压力开关采用可伸缩的微动开关设计,应用于各种液压和气压场合。成熟的活塞/隔膜设计,工作压力范围极宽,耐压出色达6000psi,同时具有出色的精度。模块化结构,拥有两种材质的大量标准压力接头,多种的电气参数和接线端子可选。用户可根据自己的需要很方便配置这些选项. 

性能参数: 

工作温度

见下表

开关 

见下表 

 

接液部件

隔膜: Nitrile (Optional Viton®, Neoprene and EPDM) 
压力接口: 镀锌钢 (可选 316 不锈钢) 

电气连接 

DIN 43650A IP65; Spade Terminals IP00; Flying Leads IP65; Conduit with Flying Leads IP65; IP Option IP66  

耐压 

6000 psi (414 bar) 

   破裂压    9000 psi (600 bar)

认证

CE, UL Approved units available, consult factory  

重量,近似值

0.4 lbs. (0.15 kg) Steel   

 

工作温度表*

 Diaphragm Material

No option, -10A, -SP or -RD 

Option -RD or -RD and -G

Option -SP or -10A

Nitrile

15°F to 185°F (-10°C to 85°C)

15°F to 250°F (-18°C to 121°C)

15°F to 212°F (-10°C to 100°C)

Viton®

0°F to 185°F (-18°C to 85°C)

0°F to 250°F (-18°C to 121°C)

0°F to 212°F (-18°C to 100°C)

 EPDM

-10°F to 185°F (-23°C to 85°C) 

-10°F to 250°F (-23°C to 121°C) 

-10°F to 212°F (-23°C to 100°C) 

 Neoprene

-10°F to 185°F (-23°C to 85°C)

-10°F to 250°F (-23°C to 121°C)

-10°F to 212°F (-23°C to 100°C)

* Switches may function below the cold temperature limit, but the setpoints and deadband will increase. Consult factory for details.

 

Switch Ratings

Electrical Switch Ratings

AC 

DC

No option or -RD

5 amps @ 125/250 Volts

5 amp resistive, 3 amps inductive @ 28 Volts

-G or -RD with -G 

1 amp @ 125 Volts 

1 amp resistive, 0.5 amp inductive @ 28 Volts 

-10A or -SP without -G

10.1 amp @ 125/250 Volts

 -SP with -G

2 amp @ 125/250 Volts

 

重复性 / 死区

 Pressure Range Code

Pressure Range 

Repeatability

Average Deadband*

10

10-30 psi (0.7 to 2.1 bar)

± 1.5 psi (0.103 bar) + 2% of setting

3.5 psi (0.28 bar) + 11% of setting

20

25-75 psi (1.7-5.2 bar) 

± 2.5 psi (0.172 bar) + 2% of setting

30

65-300 psi (4.5-20.7 bar) 

± 5.0 psi (0.138 bar) + 2% of setting

20 psig (1.38 bar) + 11% of setting 

40

250-1000 psi (17.2-69 bar) 

± 15 psi (1.03 bar) + 2% of setting

45 psig (3.10 bar) + 12% of setting 

50

1000-3000 psi (69-206.8 bar)

± 30 psi (2.06 bar) +3% of setting

70 psig (4.83 bar) + 12% of setting

60

2500-5000 psi (172.4-344.7 bar)

± 50 psi (3.45 bar) + 4% of setting

140 psi (9.65 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.


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