PSW-400系列压力开关专为危险环境中的应用而设计,采用坚固的压铸铝外壳,带有防水垫圈和两个独立的电子组件和执行器腔室,因此具有完全的可靠性。提供单设定点或双设定点,所有关键部件均由不锈钢制成。此外,PSW-400系列还采用了抗振设定点和校准刻度。

规格
认证:UL认证,I类,1区和2区,B、C、D组。II类,1区和2区,E、F、G组CSA认证
储存温度:-29至65℃(-20至150℉)
环境温度限制:-29至65℃(-20至150℉)
过程温度限制:
不锈钢:149℃(300℉)
丁腈橡胶-N:65℃(150℉)
外壳分类:NEMA-7、-9危险场所、防爆、防尘点火
设定值重复性:量程的±1%
开关输出:1或2个SPDT开关可以接线为“常开”或“常闭”
电气额定值:
10A:125/250Vac;
0.5安:125Vdc;
0.25安:250伏直流电;
15A:125/250Vac。
可选密封5A:125/250Vac
外壳:双室环氧树脂涂层铸铝,带垫片
电气连接:2个3/4NPT电气导管轮毂
压力连接:1/4NPT内螺纹;真空至600psi;1/2NPT;外螺纹1/4NPT内螺纹,用于1000至3000psi
连接材料:真空通过英寸H2O范围;碳钢所有psi范围;316不锈钢
尺寸:
psi量程: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量程:W and D = 140 mm (5.5")
重量:2.7kg(6lb)

订货信息:
型号 | 可调范围 | DEADBAND 标准单位 | PROOF 压力 | 开关 |
标准 | 公制 |
单设定点可调死区。BUNA-N 膜片,O 型圈, 1/4FNPT 连接 |
PSW-401 | -6 to -30 inHg vac | -20 to -100 kPa | 3 to 27 inHg | 250 psi | 10 A SPDT |
PSW-402 | 6 to 30 inH2O | 1.5 to 7.5 kPa | 3 to 27 inH2O | 20 psi | 10 A SPDT |
PSW-403 | 12 to 60 inH2O | 3 to 15 kPa | 3 to 54 inH2O | 20 psi | 10 A SPDT |
PSW-404 | 30 to 150 inH2O | 7.4 to 37 kPa | 15 to 135 inH2O | 20 psi | 10 A SPDT |
PSW-405 | 3 to 15 psi | 20 to 100 kPa | 2 to 13 psi | 500 psi | 10 A SPDT |
PSW-406 | 6 to 30 psi | 40 to 200 kPa | 2 to 27 | 500 psi | 10 A SPDT |
PSW-407 | 20 to 100 psi | 140 to 700 kPa | 5 to 90 | 1000 psi | 10 A SPDT |
PSW-408 | 40 to 200 psi | 280 to 1400 kPa | 13 to 180 | 1000 psi | 10 A SPDT |
PSW-409 | 80 to 400 psi | 0.56 to 2.8 MPa | 20 to 360 | 2400 psi | 10 A SPDT |
PSW-410 | 200 to 1000 psi | 1.4 to 7 MPa | 100 to 900 | 12,000 psi | 10 A SPDT |
PSW-411 | 600 to 3000 psi | 4.2 to 21 MPa | 200 to 2800 | 12,000 psi | 10 A SPDT |
双设定点,固定死区。BUNA-N 膜片,1/4FNPT 连接 |
PSW-421 | -6 to -30 inHg vac | -20 to -100 kPa | 0.5 to 1 inHg | 250 psi | Two 15 A SPDT |
PSW-422 | 6 to 30 inH2O | 1.5 to 7.5 kPa | 0.5 to 1 inH2O | 20 psi | Two 15 A SPDT |
PSW-423 | 12 to 60 inH2O | 3 to 15 kPa | 0.5 to 1.3 inH2O | 20 psi | Two 15 A SPDT |
PSW-424 | 30 to 150 inH2O | 7.4 to 37 kPa | 1.5 to 3 inH2O | 20 psi | Two 15 A SPDT |
PSW-425 | 3 to 15 psi | 20 to 100 kPa | 0.5 to 1 psi | 500 psi | Two 15 A SPDT |
PSW-426 | 6 to 30 psi | 40 to 200 kPa | 0.5 to 1.5 psi | 500 psi | Two 15 A SPDT |
PSW-427 | 20 to 100 psi | 140 to 700 kPa | 1 to 2.5 psi | 1000 psi | Two 15 A SPDT |
PSW-428 | 40 to 200 psi | 280 to 1400 kPa | 1 to 4 psi | 1000 psi | Two 15 A SPDT |
PSW-429 | 80 to 400 psi | 0.56 to 2.8 MPa | 4 to 8 psi | 2400 psi | Two 15 A SPDT |
PSW-430 | 200 to 1000 psi | 1.4 to 7 MPa | 7 to 30 psi | 12,000 psi | Two 15 A SPDT |
PSW-431 | 600 to 3000 psi | 4.2 to 21 MPa | 30 to 70 psi | 12,000 psi | Two 15 A SPDT |
双设定点固定死区 316 SS 膜片,1/4FNPT 连接 |
PSW-445 | 3 to 15 psi | 20 to 100 kPa | 0.5 to 1 psi | 500 psi | Two 15 A SPDT |
PSW-446 | 6 to 30 psi | 40 to 200 kPa | 1 to 2 psi | 500 psi | Two 15 A SPDT |
PSW-447 | 20 to 100 psi | 140 to 700 kPa | 2 to 4 psi | 1000 psi | Two 15 A SPDT |
PSW-448 | 40 to 200 psi | 280 to 1400 kPa | 3 to 8 psi | 1000 psi | Two 15 A SPDT |
配有安装支架和操作手册。
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