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  • 产品名称:PS75系列压力开关

  • 产品型号:PS75
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简单介绍:
5 到 6000 psi (0.35到 414 bar) 长寿命的耐磨盘设计 有DPDT型可选 侧装DIN连接 顶装电气连接
详情介绍:

PS75 系列压力开关
坚固的圆柱型压力开关 

概述/设计原理: 

Gems PS75系列具有全金属表面以限制过载,在高压波动的环境下仍能出色的工作。内部设计耐磨盘和减震环以延长寿命。还采用活塞/隔膜设计,集活塞技术的耐高压特性和隔膜技术的高灵敏度于一身。现场可调或工厂设定. 

性能参数: 

 工作温度 

Diaphragm: Buna-N (optional EPDM or Viton®)
端口: Zinc-Plated Steel (optional 316 SS)
外壳: Brass or Zinc-Plated Steel (可选316 SS)
 

工作温度 

see table below 

开关 

see table below 

电气端子  

DIN 43650A, IP65 Terminals 

耐压 

7500 psi (517 bar) except Range 10: 500 psi (35 bar)

Burst Pressure 9000 psi (600 bar)

认证 

CE, UL Approved units available, consult factory 

重量 

0.5 lbs. (0.23 kg) 

 

Recommended Operating Temperature Limits*

隔膜材料

-A, -B, -C 電路without -RD

-AA, -BB, -CC 電路or -RD

Nitrile

15°F to 185°F (-10°C to 85°C)

15°F to 250°F (-10°C to 121°C)

Viton®

0°F to 185°F (-18°C to 85°C)

0°F to 250°F (-18°C to 121°C)

EPDM

-10°F to 185°F (-23°C to 85°C)

-10°F to 250°F (-23°C to 121°C)

Neoprene

-10°F to 185°F (-23°C to 85°C)

-10°F to 250°F (-23°C to 121°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

-A, -B, -C without -G

5 amps @ 125/250 伏特

5 amps resistive, 3 amps inductive @ 28 Volts

-A, -B, -C with -G

1 amp @ 125 伏特

1 amp resistive, 0.5 amps inductive @ 28 Volts

-AA, -BB, -CC without -G

2 switches rated 5 amps @ 125/250 Volts

2 switches rated 5 amps resistive, 3 amps inductive @ 28 Volts

-AA, -BB, -CC with -G

2 switches rated 1 amp @ 125/250 伏特

2 switches rated 1 amp resistive, 0.5 amps inductive @ 28 伏特

 

Repeatability / Deadband

 Pressure Range Code

Pressure Range 

Repeatability

Average Deadband*

 -A, -B, and -C Circuits

10

5-25 psi (0.35-1.7 bar)

± 1.0 psi (0.07 bar) + 2% of setting

3 psi (0.21 bar) + 5% of setting

20

15-75 psi (1-5.2 bar_

± 2.5 psi (0.17 bar) + 2% of setting 

5 psig (0.34 bar) + 10% of setting 

30

50-150 psi (3.5-10.3 bar)

± 6 psi (0.41 bar) + 2% of setting

15 psig (1.03 bar) + 13% of setting 

40

150 - 500 psi (10.3-34.5 bar) 

± 15 psi (10.3 bar) + 2% of setting

25 psi (1.72 bar) + 14% of setting 

50

500 - 1750 psi (34.5-121 bar)

 ± 25 psi (1.72 bar) + 2% of setting

55 psi (3.79 bar) + 15% of setting

60

1000 - 3500 psi (69-241 bar)

± 45 psi (2.41 bar) + 3% of setting

100 psig (6.89 bar) + 16% of setting 

 70

2500-6000 psi (172-414 bar) 

± 80 psi (5.51 bar) + 4% of setting

200 psi (13.8 bar) + 17% of setting

 -AA, -BB, and -CC Circuits**

 10

5-25 psi (0.35-1.7 bar) 

± 1.5 psi (0.10 bar) + 3% of setting

2 psi (0.14 bar) + 5% of setting 

20

15-75 psi (1-5.2 bar) 

± 3.5 psi (0.24 bar) + 3% of setting

4 psig (0.28 bar) + 8% of setting 

30

50-150 psi (3.5-10.3 bar) 

± 9 psi (0.62 bar) + 3% of setting

13 psig (0.90 bar) + 10% of setting 

40

150-650 psi (10.3-44.8 bar) 

± 22 psi (1.51 bar) + 3% of setting

21 psi (1.72 bar) + 11% of setting 

50

500-1750 psi (34.5-121 bar) 

± 35 psi (2.41 bar) + 3% of setting

45 psi (3.10 bar) + 12% of setting 

60

1000-3500 psi (69-241 bar)

± 60 psi (4.14 bar) + 4% of setting

80 psi (5.52 bar) + 13% of setting

70

2500-6000 psi (172-414 bar)

± 100 psi (6.89 bar) + 5% of setting

160 psi (11.0 bar) + 14% of setting

* In certain applications, deadband can be tailored and controlled to customer specifications. Consult factory for details.
** Operation of both switches in most cases will not be simultaneously but will occur within the specifications listed. Deadband figures already reflect the improvement from the -RD option which is automatically included in the -AA, -BB, and -CC circuits.

特性...  

  • 5 到 6000 psi (0.35到 414 bar) 
  • 长寿命的耐磨盘设计 
  • 有DPDT型可选 
  • 侧装DIN连接 
  • 顶装电气连接 

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