"For most non-voltage producing devices located in a hazardous area, a single zener barrier that is negative-earth-grounded can be used for intrinsic safety. Instrumentation that produces an output (signal conditioners) usually requires two barriers, one for each \"floating\" lead. Here, a dual-channel barrier can be provided or for applications in which the instrument signal return level cannot be reduced, a supply barrier and a low resistance return barrier can be supplied. Approvals: UL, FM, CSA Classes: I, II Divisions: 1, 2* Hazardous Location Group D * Certified by CSA for mounting inside a suitable enclosure in Div. 2 or non-hazardous locations and must be connected by means of the two studs provided to a grounded copper busbar or equivalent."
技术参数
| 规格项 | 参数值 |
|---|---|
| 产品类别 | Intrinsic Safety Barriers |
| 工作温度 | 32 to 140 F (0 to 60 C) |
| 宽度 | 4.75 inch (121 mm) |
| 应用 | 4-20 mA 2-wire Transmitters; Switches; Solenoid / Audible Alarms |
| 深度 | 1.63 inch (41.3 mm) |
| 总无保护电容 | 2 microF |
| 交流或直流 | DC |
| FM 调频许可 | FM |
| 最大内阻 | 270 ohms |
| 安全栅类型 | Zener Barrier |
| ISC 兼容 | 60 milliamps |
| 总无保护电感 | 6 mH |
| 通道数 | 2 # |
| 高度 | 2.72 inch (69 mm) |
| 安装方案 | Din Rail Mounted (optional feature); SurfaceMount (optional feature) |
| CSA 认证 | CSA |
| UL 认证 | UL |
| VOC 合规 | 30 volts |
