主要型号有：
型号工作范围负回差耐压 开关
105 Pak Pa105 Pa连接
弯管开关类型压力升到设值
L404A13540.14 – 1.037 – 411.72-SpSt
单刀单掷
水银接点断开
L404A13700.35 – 3.4528 – 835.86-
L404A13960.69 – 10.3455 – 11015.51-
L404A14041.38 – 20.68103 – 27624.13有
L404A16360.14 – 1.037 – 411.72-
L404B13040.14 – 1.037 – 411.72-闭合
L404B13200.35 – 3.4528 – 835.86-
L404B13460.69 – 10.3455 – 11015.51-
L404B13531.38 – 20.68103 – 27624.13有
L404B15770.14 – 1.037 – 411.72-
L404C11391.38 – 20.68手动复位24.13有断开
L404C11470.14 – 1.031.72-
L404C11540.35 – 3.455.86-
L404C11620.69 – 10.3415.51-
L404D10880.14 – 1.031.72有闭合
L404D10960.69 – 10.3415.51有
L404F10600.14 – 1.037 – 411.72有SpDt
单刀双掷
微动开关R-W 闭合
R –B
断开
L404F10780.35 – 3.4528 – 835.86有
L404F10941.38 – 20.68103 – 27624.13有
L404F11020.69 – 10.3455 – 11015.51-
