施耐德電氣是zui大的低壓電器供應商,旗下有梅蘭日蘭、TE電器和美商實快電力三*。 美商實快電力的歷史： 1902年：底特律熔斷器制造廠成立，該廠主要生產箱式熔斷器及盒式熔斷器式開關。在公司導管接線盒上的署名《D》擁有很高的聲望，因此，公司決定更名為實快電力（Square D）；2002年，實快電力推出了世界上zui小的Masterpact NT斷路器和PowerBus 225低敏感度布線系統；2003年美商實快電力品牌舉辦了公司成立100周年慶典。這100年同時也是電力和自動化管理技術發展與創新的100年； 美商實快電力公司作為世界*秀的電氣產品， 服務于美國各大公司及電力設施，并在世界各地遍布企業和銷售網絡，憑借近百年生產經驗的配電設備品牌，它承諾創新和可靠的產品來迎合客戶需要。在輸配電及工控及自動化，廣泛用于商業，建筑及工業各領域。美商實快電力的核心業務是電力與自動化管理。實快電力始終處在創新前沿，能夠對的市場需求做出迅速反應，為配電和工業控制自動化領域提供符合NEMA標準的產品、系統與服務。 該品牌產品具有5大特點：精巧、創新、優質、可靠、安全。  福州恒拓司是SQUARE-D（方D）美商實快中國地區的一級代理商，已在全國范圍內為各種類型的企業供應*的SQUARE-D（美商實快）原廠原裝的優質產品。請來電!

型號如下：
SQUARE-D 限位開關 9007C54B2
SQUARE-D 繼電器 8501KU13M1P14V20
SQUARE-D 壓力開關 XMLA070D1S11
SQUARE-D 壓力開關 9012GAW1
SQUARE-D Limit Switch 9007MS02S0084
SQUARE-D Pilot Light 9001KXRB1A
SQUARE-D 中間繼電器 8501RS14V20
SQUARE-D 保護器 GB2-CD05
SQUARE-D 保護器 GB2-CD08
SQUARE-D 保護器 GB2-CD12
SQUARE-D 保護器 GB2-DB08
SQUARE-D 保護器 GB2-DB12
SQUARE-D 保護器 GB2-DB14
SQUARE-D 保護器 GB2-DB22
SQUARE-D 限位開關 9007C62B2
SQUARE-D 搖臂 9007B1
SQUARE-D 搖臂 9007B8
SQUARE-D 限位開關 9007TUB4M12
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 搖臂 9007B8
SQUARE-D 斷路器 QOB220
SQUARE-D 斷路器 QOB230
SQUARE-D 壓力開關 9012GAW4
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 壓力開關 9012ADW-3M11
SQUARE-D 壓力開關 9012ADW4M11
SQUARE-D 控制繼電器底座 8501NR45
SQUARE-D 控制繼電器 8501RS4V20
SQUARE-D 行程開關撞頭 9007 B23
SQUARE-D 行程開關 9007 FTSB1M11
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 壓力開關 9012GEW2
SQUARE-D 壓力開關 9012GAW4
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 十字開關 9001-K36
SQUARE-D 觸點模塊 9001KA1
SQUARE-D 搖臂 9007B1
SQUARE-D 限位開關 9007TUB4M12
SQUARE-D 按鈕 9001KR3BH5
SQUARE-D 壓力開關 9012GDW5
SQUARE-D 快動開關 9007AB21
SQUARE-D 壓力開關 9012GCWM3M12
SQUARE-D 限位開關 9007C62G
SQUARE-D 行程開關 9007C68T5
SQUARE-D Pilot Light 9001KXPA+9001KXAA8
SQUARE-D Pilot Light 9001KXPA1R
SQUARE-D Pilot Light 9001KXPA1W
SQUARE-D Pushbutton 9001KXRB1A
SQUARE-D 按鈕 9001KR3BH5Y238
SQUARE-D 繼電器 8501KU13M1P14V24
SQUARE-D 壓力開關 9012GGW4
SQUARE-D 限位開關 9007MS02S0100
SQUARE-D 壓力開關 9012GCW21
SQUARE-D 限位開關 9007CR53E
SQUARE-D 壓力開關 9012GAW2
SQUARE-D 壓力開關 9012GAW4
SQUARE-D 壓力開關 9012GAW4
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 限位開關 9007C62B2
SQUARE-D 壓力開關 9012GCWM1
SQUARE-D 壓力開關 9012GAW4
SQUARE-D 閥 9012GCW2
SQUARE-D 計時器 9050-JCK60V24
SQUARE-D 限位開關 9007FTUB4
SQUARE-D 限位開關 9012GCWM2
SQUARE-D 快動開關 9007AO2
SQUARE-D 限位開關 9007TUB4M12
SQUARE-D 限位開關把手 9007B8
SQUARE-D 限位開關 9007FTSB1
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 開關 GB2-CB10
SQUARE-D 壓力開關 9012GGW-4
SQUARE-D 快動開關 9007AO12
SQUARE-D 觸點按鈕 9001KA3
SQUARE-D 限位開關 9007C54B2P10Y19021
SQUARE-D 限位開關 9007-FTSB1
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 壓力開關 9012GAW4
SQUARE-D 啟動開關 2510MCO3
SQUARE-D 觸點 9001KA3
SQUARE-D 壓力開關 9012GDW5
SQUARE-D 壓力開關 9012GAW4K1
SQUARE-D 壓力開關 9012GAW5K1
SQUARE-D 限位開關 9007C62B2
SQUARE-D 按鈕 9001KXPA1G
SQUARE-D 限位開關 9007TUB4M12
SQUARE-D 搖臂 9007 B8
SQUARE-D 限位開關 9007 FTSB1
SQUARE-D 按鈕開關 9001KA2
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 限位開關 9007-FTUB4
SQUARE-D 接觸器 8502SDO2V02S
SQUARE-D 交流接觸器 8910DPA43V02
SQUARE-D 限位開關 9007FTSB1
SQUARE-D 繼電器 8501RS4V20
SQUARE-D 限位開關 9007TUB4
SQUARE-D 按扭開關 9007AO2
SQUARE-D 接觸器 8910DP32V09
SQUARE-D 接觸器 8910DPA93S40V02
SQUARE-D 按鈕 9001KR3BH5
SQUARE-D 按鈕開關 9001KR3UH6
SQUARE-D 按鈕開關 9001KS11B
SQUARE-D 按鈕開關 9001KS46FB
SQUARE-D 選擇開關 9001SKS43BH2
SQUARE-D PILOT LIGHT 9001KXPA1R
SQUARE-D PILOT LIGHT 9001KXPA1W
SQUARE-D 元器件 9007B8
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 限位開關 9007C62F
SQUARE-D 壓力開關 9012GCWM2
SQUARE-D 限位開關 9007TUB4
SQUARE-D 斷路器 GB2-CD05
SQUARE-D 斷路器 GB2-CD12
SQUARE-D 斷路器 GB2-DB08
SQUARE-D 斷路器 GB2-DB12
SQUARE-D 斷路器 GB2-DB14
SQUARE-D 斷路器 GB2-DB22
SQUARE-D 繼電器 9007AB23
SQUARE-D 行程開關 9007CB33S1
SQUARE-D 行程開關 9007CB34S1
SQUARE-D 搖臂 9007AA1
SQUARE-D 搖臂 9007CA11
SQUARE-D 限位開關 9007TUB4
SQUARE-D 限位開關 9007TUC4
SQUARE-D 限位開關 9007 AW12
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 按鈕 9001KXPA1A
SQUARE-D 按鈕 9001KXPA1R
SQUARE-D 按鈕 9001KXPA1W
SQUARE-D 按鈕 9001KXRB1A
SQUARE-D 限位開關 9007C54B2
SQUARE-D 刀熔開關 CH362
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 壓力開關 9012GAW1
SQUARE-D 壓力開關 9012GAW2
SQUARE-D 壓力開關 9012GCWM2
SQUARE-D 搖臂 9007B1
SQUARE-D 限位開關 9007TUB4M12
SQUARE-D Pressure Switch 9012GCW2
SQUARE-D Pressure Switch 9012GDW4
SQUARE-D Pressure Switch 9012GDW5
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 繼電器 8501KU13M1P14V24
SQUARE-D 搖臂 9007BA1
SQUARE-D 搖臂 9007MA11
SQUARE-D 斷路器 26976
SQUARE-D 行程開關搖桿 9007B23
SQUARE-D 行程開關 9007FTUB4M11
SQUARE-D 限位開關 9007FTUB4
SQUARE-D 指示燈座 9001KM35
SQUARE-D 限位開關 9007SGS1DK
SQUARE-D 壓力開關 9012GCWM2
SQUARE-D 限位搖桿 9007B8
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 按鈕頭 9001KR3B
SQUARE-D 按鈕開關 9001KR3BH5Y238
SQUARE-D 限位開關 9007TUB4
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 時間繼電器 9050  JCK13V20
SQUARE-D 時間繼電器 9050  JCK21V20
SQUARE-D Limit Switch 9007TUB4M11
SQUARE-D 附件 EIK031
SQUARE-D 附件 EIK1
SQUARE-D 安全開關 HU361AWK
SQUARE-D 安全開關 HU363AWK
SQUARE-D 安全開關 HU364AWK
SQUARE-D 繼電器 8910DPA44V14
SQUARE-D 限位開關 9007C68T10
SQUARE-D 壓力開關 9012GAW5
SQUARE-D 空氣開關 FAL36060
SQUARE-D 限位開關 9012GAW5
SQUARE-D 限位開關 9012GAW5K1
SQUARE-D 行程開關 CLASS9007；CB34S1
SQUARE-D 中間繼電器 8501RS14V20
SQUARE-D 限位開關 9007C54J
SQUARE-D 繼電器 8501RS4V20
SQUARE-D 限位開關 9007C54B2
SQUARE-D Safety inter XCSDMP700L01M12
SQUARE-D PROXIMITY SENSOR XS508B1PAM12
SQUARE-D 接線端子 PK12GTA
SQUARE-D 限位開關 9012GAW4
SQUARE-D 限位開關 9012GAW5
SQUARE-D 繼電器座 8501-NR62
SQUARE-D Safety inter XCSDMP700L01M12
SQUARE-D 搖臂 9007B23
SQUARE-D 按鈕 9001KM35
SQUARE-D 按鈕 9001KM35
SQUARE-D 限位搖桿 9007B8
SQUARE-D 按鈕 9001SKR1UH13
SQUARE-D 按鈕 9001SKR9RH13
SQUARE-D 按鈕 9001SKS11BH13
SQUARE-D 按鈕 9001SKS63BH13
SQUARE-D Safety inter XCSDMP700L01M12
SQUARE-D PROXIMITY SENSOR XS508B1PAM12
SQUARE-D 按鈕開關 9001KR9P35RH2
SQUARE-D 繼電器 8501KU12V20
SQUARE-D 搖臂 9007B8
SQUARE-D 壓力繼電器 9012GCW2
SQUARE-D 限位開關 9007CR53G
SQUARE-D 搖臂 9007B8
SQUARE-D 限位開關 9007FTSB1