- Dwyer H3系列防爆压差开关
- 发布时间：2008/7/23 13:21:45 修改时间：2008/7/23 13:21:45 浏览次数：726
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产品名称: H3系列防爆压差开关
产品型号: H3用途：防爆设计，适用于工业精密测控
可调压差范围：2.44-44.78KPa,3.44-103KPa,34.4-482KPa,68.9-1379KPa
死区：可调范围的5%
压力腔材质：铝，铜或不锈钢可选
连接：1/8"NPT
最大耐压：1500PSIG
最大温度：105°C
输出：SPDT/DPDT可选
重量：2Kg
尺寸：76.2X136.53mm选型表：
型号 压力腔材质 膜盒材质(Wetted) 可调范围 开关(Switch) H3A-1SL Aluminum Nitrile 10-180" w.c. (2.48-44.78 kPa) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3A-2SL Aluminum Nitrile 0.5-15 psid (0.3-1 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3A-3SL Aluminum Nitrile 5-70 psid (.34-4.8 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3S-1SL 316 SS Viton® 10-180" w.c. (2.48-44.78 kPa) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3S-2SL 316 SS Viton® 0.5-15 psid (0.3-1 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC H3S-3SL 316 SS Viton® 5-70 psid (.34-4.8 bar) SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC 举例 H3 S 2 S C MV H3S-2SC-MV Differential Pressure Control; 316SS pressure chamber and Viton® diaphragm, weatherproof and ATEX, SPDT snap action switch with gold contacts; fixed deadband; automatic reset; adjustable range 0.5-15 psid. 结构 H3 Series designator, weatherproof and explosion-proof 压力腔& 膜盒材质(Wetted) A Aluminum chamber with Nitrile diaphragm S 316SS chamber with Viton® diaphragm 可调范围 1 Adjustable range 10-180" w.c. (2.48-44.78 kPa) 2 Adjustable range 0.5-15 psid (0.03-1 bar) 3 Adjustable range 5-70 psid (.34-4.8 bar) 4 Adjustable range 10-200 psid (.7-13.8 bar) 开关(Switch) S SPDT snap action switch rated 5A @ 125/250VAC, 30 VDC D DPDT snap action switch rated 5A @ 125/250VAC, 30 VDC 电气连接 L 18 AWG x 18 inch lead wires T UL, CSA approved internal terminal block C ATEX approved internal terminal block 可选项 DRAIN Housing with drain - allows condensate to be drained from inside enclosure (meets NEMA 3 instead of 4X) MV Gold contacts on snap switch for dry circuits rated 1A @ 125VAC, 1A resistive or 0.5A inductive @ 30VDC VIT Viton® diaphragm option where not standard
