Push Button Switches
按鈕,也稱為按鈕元件,是市面上最常見的電氣開關制之一。按鈕的操作簡單、結構堅固,從日常家用電器、工業機械,到警報系統、遠程控制裝置,你都能看見他們的蹤影。
RS歐時提供全面的高品質照明和非照明按鈕開關,各種形狀、尺寸、防水功能、金屬物料和顏色可供挑選。無論是全新的工程項目、還是要更新現有設備,你都可以在這選購適合你的按鈕開關。
按鈕開關的運作原理
一個按鈕開關有兩個主要組件:按鈕本身和內部開關機構。當按下按鈕時,推桿便會移動,從而接合或脫離內部觸點,做到連接或中斷電路的效果,也就是電器設備的「開」和「關」。
按鈕的種類
按鈕開關有多種類型,每種都有獨特的特性和功能。以下是一些最常見的類型:
- 瞬時按鈕開關
也稱為彈簧返回按鈕,是需要持續按壓的開關制類型。當按下按鈕時,按鈕便會打開,而按鈕亦需要一直處於被按壓狀態下才會連接到電源。一旦釋放壓力,開關便會彈回並返回其原始的關閉位置。瞬時按鈕開關通常在瞬時位置周圍有括號以幫助識別。例如 (On)-Off-(On), On-(Off)。
- 自鎖按鈕開關
也稱為保持或固定按鈕開關,它與瞬時按鈕開關的特點不同,不需要被持續按壓才會連接電源。當按下按鈕時,它便會保持在開啟位置,直到再次按下按鈕才會解除鎖定、返回原始的關閉位置。
- 照明按鈕開關
照明按鈕包含光源,通常是 LED,當按下按鈕時會亮起。照明開關常用於光線不足或黑暗環境中,非常適合需要顯示開關狀態的應用。
按鈕開關的應用
按鈕開關在各種工業項目和日常生活中被廣泛使用,其中包括:
- 控制電氣設備
- 啟動報警
- 執行控制序列
- 小型按鈕開關
- 工業用開關
- 防水按鈕應用
按鈕的品牌推薦
RS歐時提供多種值得信賴的按鈕品牌,包括RS PRO、APEM、Schneider Electric等。我們的按鈕產品涵蓋了各種用途和需求,無論你需要方型按鈕、防水按鈕、金屬按鈕,還是其他工業用開關按鈕,你都可以在此選購合適的產品。我們的產品質量優良,價錢實惠,能滿足您的各種需求。
即日訂購,最快次日發貨,網上落單滿額即享免運費!
比較 產品詳述 單價 | Brand | Range | Series | Number of Poles | Current Rating | Breaking Capacity at Maximum Voltage Rating | Rated AC Voltage | Rated DC Voltage | Mounting Style | Length | Width | Depth | Better World Claim | Better World Product | Better World Verification |
---|
Better World
个 HK$31,122.00 | Siemens | Sentron | 3VA62 | 4 | 100A | 3 kA | - | - | - | - | - | - | Concentrated or compact solution, Extended product life | Yes | - | ||||
Better World
个 HK$3,415.10 | Siemens | SENTRON | 3VA | 3 | 80A | 25 kA | 690V | 500V | Fixed | 76.2mm | 130mm | 88mm | Extended product life, Saves energy | Yes | - | ||||
个 HK$10,079.10 | Siemens | SENTRON | 3VA5 | 3 | 100A | 10 kA | - | - | Fixed | - | - | - | - | - | - | ||||
Better World
个 HK$28,041.60 | Siemens | SENTRON | 3VA6 | 3 | 250A | 65 kA | - | - | Fixed | - | - | - | Concentrated or compact solution, Extended product life | Yes | - | ||||
Better World
个 HK$29,715.70 | Siemens | SENTRON | 3VA6 | 3 | 250A | 200 kA | - | - | Fixed | - | - | - | Concentrated or compact solution, Extended product life | Yes | - | ||||
Better World
个 HK$4,223.10 | Siemens | SENTRON | 3VA1 | 4 | 80A | 25 kA | - | - | Fixed | - | - | - | Extended product life, Saves energy | Yes | - | ||||
个 HK$16,296.00 | Siemens | SENTRON | 3VA5 | 3 | 225A | 35 kA | - | - | Fixed | - | - | - | - | - | - | ||||
Better World
个 HK$3,016.00 | Siemens | SENTRON | 3VA1 | 2 | 100A | 25 kA | - | - | DIN Rail | - | - | - | Extended product life, Saves energy | Yes | - | ||||
个 HK$154,830.50 | Siemens | SENTRON | 3VA2 | 4 | 1.25kA | 35 kA | - | - | Fixed | - | - | - | - | - | - | ||||
Better World
个 HK$21,763.60 | Siemens | Sentron | 3VA61 | 3 | 40A | 2.5 kA | - | - | - | - | - | - | Concentrated or compact solution, Extended product life | Yes | - | ||||
Better World
个 HK$29,188.40 | Siemens | Sentron | 3VA62 | 4 | 100A | 3 kA | - | - | - | - | - | - | Concentrated or compact solution, Extended product life | Yes | - | ||||
个 HK$50,893.40 | Siemens | SENTRON | 3VA6 | 3 | 600A | 100 kA | - | - | Fixed | - | - | - | - | - | - | ||||
Better World
个 HK$4,795.70 | Siemens | SENTRON | 3VA | 4 | 20A | 55 kA | 690V | - | Fixed | - | - | - | Extended product life, Saves energy | Yes | - | ||||
Better World
个 HK$5,548.90 | Siemens | SENTRON | 3VA1 | 4 | 32A | 70 kA | - | - | DIN Rail | - | - | - | Extended product life, Saves energy | Yes | - | ||||
Better World
个 HK$21,287.00 | Siemens | SENTRON | 3VA2 | 3 | 630A | 55 kA | 690V | - | - | 210mm | 120mm | 320mm | Extended product life, Saves energy | Yes | - | ||||
个 HK$61,859.00 | Siemens | SENTRON | 3VA6 | 4 | 800A | 65 kA | - | - | Fixed | - | - | - | - | - | - | ||||
个 HK$2,204.20 | Siemens | SENTRON | 3VA5 | 1 | 110A | 5 kA | - | - | Cable Mount, Panel Mount | - | - | - | - | - | - | ||||
Better World
个 HK$18,069.70 | Siemens | SENTRON | 3VA2 | 4 | 100A | 85 kA | - | - | Fixed | - | - | - | Concentrated or compact solution, Extended product life | Yes | - | ||||
个 HK$10,965.50 | Siemens | SENTRON | 3VA5 | 4 | 80A | 65 kA | - | - | Fixed | - | - | - | - | - | - | ||||
Better World
个 HK$3,817.70 | Siemens | SENTRON | 3VA1 | 3 | 2A | 70 kA | - | - | Fixed | - | - | - | Extended product life, Saves energy | Yes | - | ||||