| 1. | Table 2 - 1 compares the basic parameters of the four types
表21为这4种切换元件的基本参数对照表。 |
| 2. | Figure 2 - 1 shows the schematic representations for four major types of electrically controllable switching elements
图2 - 1所示为4种主要的电气控制切换元件的示意图。 |
| 3. | As can be seen from the table , the relay family of switching elements offers the best overall performance at a reasonable cost
从图中可以看出，继电器作为切换元件以合理的成本提供了最佳的总体性能。 |
| 4. | Amendment 2 - low - voltage switchgear and controlgear - part 5 - 2 : control circuit devices and switching elements - proximity switches
低压开关设备和控制设备.第5 - 2部分:控制电路器件和切换元件.接近开关.修改件2 |
| 5. | Low - voltage switchgear and controlgear - part 5 - 1 : control circuit devices and switching elements - electromechanical control circuit devices
低压开关设备和控制设备.第5 - 1部分:控制电路器件和切换元件.机电控制电路器件 |
| 6. | Specification for low - voltage switchgear and controlgear - control circuit devices and switching elements - electromechanical control circuit devices
低压开关设备和控制设备规范.控制电路器件和切换元件.机电控制电路器件 |
| 7. | Low - voltage switchgear and controlgear - part 5 - 7 : control circuit devices and switching elements ; requirements for proximity devices with analogue output
低压开关设备和控制设备.第5 - 7部分:控制电路器件和切换元件.带模拟输出的接近装置的要求 |
| 8. | Low - voltage switchgear and controlgear - part 5 - 7 : control circuit devices and switching elements - requirements for proximity devices with analogue output
低压开关设备和控制设备.第5 - 7部分:控制电路器件和切换元件.带模拟输出的接近设备的要求 |
| 9. | Low - voltage switchgear and controlgear - part 5 - 5 : control circuit devices and switching elements - electrical emergency stop device with mechanical latching function
低压开关设备和控制设备.第5 - 5部分:控制电路器件和切换元件.具有机械锁扣功能的电气紧急故障中断器件 |
| 10. | Low - voltage switchgear and controlgear - part 5 - 4 : control circuit devices and switching elements ; method of assessing the performance of low - energy contacts ; special tests
低压开关设备和控制设备.第5 - 4部分:控制电路器件和切换元件.低能量触头性能的评估方法.特殊试验 |
