PSW-422_PSW-423_PSW-424_PSW-425_PSW-426_PSW-427_PSW-448压力开关OMEGA

PSW-422_PSW-423_PSW-424_PSW-425_PSW-426_PSW-427_PSW-448压力开关OMEGA

双腔设计将电子设备与压力介质隔离开来

具有耐腐蚀环氧涂层的重型铸铝

符合NEMA-7和-9分类

带衬垫的盖子

防篡改/防振动设定点调整

表面和安装支架标准

PSW-400系列压力开关专为在危险环境中使用而设计，具有坚固的压铸铝外壳和防水垫圈以及两个独立的电子设备和执行机构室，因此具有完全的可靠性。单或双设定点可用，所有关键部件均由不锈钢制成。此外，PSW-400系列采用了抗振设定点和校准刻度。

规格

批准：UL认证，I级，1和2级，B、C、D组，II级，1和2级，E、F、G组，CSA认证

储存温度：29至65°C（-20至150°F）

环境温度极限值：-29至65°C（-20至150°F）

工艺温度限制：

不锈钢：149°C（300°F）

丁腈橡胶-N:65°C（150°F）

外壳分类：NEMA-7、-9危险场所、防爆、粉尘防爆

设定值重复性：范围的±1%

开关输出：1或2个单刀双掷开关可接线“常开”或“常闭”

额定电流：10 A:125/250 Vac；0.5 A:125 Vdc；0.25 A:250 Vdc；15 A:125/250 Vac。可选密封5 A:125/250 Vac

外壳：双室环氧涂层铸铝，带垫圈

电气连接：2个。3/4 NPT电气导管轮毂

压力连接：1/4 NPT内螺纹；真空至600 psi；1/2 NPT；外螺纹1/4 NPT内螺纹至1000至3000 psi

连接材料：真空至英寸H2O范围；碳钢所有psi范围；316 SS

尺寸：psi范围：206（最大）H x 140 W x 70 mm D（从中心线算起）（7.1 H x 5.5 W x 2.8“D从中心线算起）inH2O范围：W&D=140 mm（5.5“）

重量：2.7千克（6磅）

Dual Chamber Design Isolates Electronics from Pressure Media

Heavy Duty Cast Aluminum with Corrosion-Resistant Epoxy Coating

Meets NEMA-7 and -9 Classifications

Gasketed Covers

Tamper/Vibration Resistant Setpoint Adjustment

Surface and Mounting Bracket Standard

Designed for applications in hazardous atmospheres, PSW-400 Series Pressure Switches offer complete reliability due to a rugged, die-cast aluminum enclosure with waterproof gaskets and two separate chambers for electronics and actuator. Single or dual setpoints are available, with all critical parts made of stainless steel. In addition, the PSW-400 Series employs vibration-resistant setpoints and a calibrated scale. 

SPECIFICATIONS

Approval: UL listed, Class I, Divisions 1 and 2, Groups B, C, D. Class II, Divisions 1 and 2, Groups E, F, G CSA certified

Storage Temp.: -29 to 65°C (-20 to 150°F)

Ambient Temp. Limits: -29 to 65°C (-20 to 150°F)

Process Temp. Limits: 

   SS: 149°C (300°F)

   Buna-N: 65°C (150°F) 

Enclosure Classification: NEMA-7, -9 hazardous location, explosion proof, dust ignition proof

Setpoint Repeatability: ±1% of range

Switch Output: 1 or 2 SPDT switch can be wired "normally open" or "normally closed"

Electrical Rating: 10 A: 125/250 Vac; 0.5 A: 125 Vdc; 0.25 A: 250 Vdc; 15 A: 125/250 Vac. Optional hermetically sealed 5 A: 125/250 Vac

Enclosure: Dual chamber epoxy-coated cast aluminum, gasketed

Electrical Connection: 2 ea. 3/4 NPT electrical conduit hubs

Pressure Connection: 1/4 NPT female; vacuum to 600 psi; 1/2 NPT; Male 1/4 NPT female for 1000 to 3000 psi

Connection Material: Vacuum thru inches H2O ranges; carbon steel All psi ranges; 316 SS

Dimensions: psi ranges: 206 (max) H x 140 W x 70 mm D (from Center line) (7.1 H x 5.5 W x 2.8" D from Center Line) inH2O ranges: W & D = 140 mm (5.5")

Weight: 2.7 kg (6 lb)

PSW-422_PSW-423_PSW-424_PSW-425_PSW-426_PSW-427_PSW-448压力开关OMEGA