H2系列 防爆压力开关为 U.L， CSA Class I, Groups B, C & D和Class II, Groups E, F & G防爆认证。用于气体或者液体。当压力增高或降低时有两种不同的开关动作。在这个经过认证的设计中，一个隔膜来驱动两边的连动的开关，每个开关都是独立动作的，它们可以分别调整来共同工作。或高低控制，或两个中间设定点值。开关顶部可现场打开，方便调整配置而无需拆卸接线或过程连接。Duotect@开关的防护等级有防爆和全天候。它可以任意方向安装且不受振动的影响。
Wetted Materials: 316 SS chamber with FEP diaphragm and Buna-N O-ring standard. Fluoroelastomer or EPDM O-ring optional.
Temperature Limit: 275°F (135°C). CSA approved: -20 to 90°C (-4 to 184°F).
Pressure Limit: 1500 psig (103 bar).
Enclosure Rating: UL listed explosion-proof, Class I, Groups B, C, and D. Class II Groups E, F, and G. Meets NEMA 4X (IP66). CSA optional. Class I, Groups B, C & D. Class II, Groups E, F, & G -20°C ≤ Tamb ≤ 75°C T6 [optional -20°C ≤ Tamb ≤ 40°C T5] Type 4.
Switch Type: Two SPDT snap switches.
Electrical Rating: 5 A @ 125/250 VAC, 5 A res., 3 A ind. @ 30 VDC. Gold contacts or 10 A switch optional.
Electrical Connections: 18 AWG, 18" (460 mm) long.
Conduit Connection: 3/4" female NPT.
Process Connection: 1/4" female NPT.
Mounting Orientation: Any position.
Set Point Adjustment: Internal nut.
Weight: 2 lb (.9 kg).
Deadband: Approximay 10% of range.
Agency Approvals: CE, CSA, UL.
