质量，立业之本，管理，强业之路;效益，兴业之源。

微断即微型断路器，简称MCB （Micro Circuit Breaker ），是建筑电气终端配电装置引中使用最广泛的一种终端保护电器。用于125A以下的单相、三相的短路、过载、过压等保护，包括单极1P，二极2P、三极3P、四极4P等四种。
微型断路器由操作机构、触点、保护装置(各种脱扣器)、灭弧系统等组成。其主触点是靠手动操作或电动合闸的，主触点闭合后，自由脱扣机构将主触点锁在合闸位置上。过电流脱扣器的线圈和热脱扣器的热元件与主电路串联，欠电压脱扣器的线圈和电源并联。当电路发生短路或严重过载时，过电流脱扣器的衔铁吸合，使自由脱扣机构动作，主触点断开主电路。当电路过载时，热脱扣器的热元件发热使双金属片上弯曲，推动自由脱扣机构动作。当电路欠电压时，欠电压脱扣器的衔铁释放。也使自由脱扣机构动作。

厦门鼎瞻机电设备有限公司

联系人：罗昌燕

联系电话：13860148695

传真：0592-6372687

QQ:343523283
Email：343523283@qq.com
http://www.ding-zhan.com/
http://www.xmdzhan.com/

主要产品：

塑壳断路器、漏电开关、空气断路器、真空断路器、控制柜

Cutler-Hammer主要产品：

Cutler-Hammer塑壳断路器

Cutler-Hammer漏电开关

Cutler-Hammer控制柜

Cutler-Hammer空气断路器

Cutler-Hammer真空断路器

卡特拉-汉莫  断路器  Cutler-Hammer

厦门鼎瞻机电设备有限公司

联系人：罗昌燕

联系电话：13860148695

传真：0592-6372687

QQ:343523283
Email：343523283@qq.com
http://www.ding-zhan.com/
http://www.xmdzhan.com/

主要产品：

塑壳断路器、漏电开关、空气断路器、真空断路器、控制柜

Cutler-Hammer主要产品：

Cutler-Hammer塑壳断路器

Cutler-Hammer漏电开关

Cutler-Hammer控制柜

Cutler-Hammer空气断路器

Cutler-Hammer真空断路器

卡特拉-汉莫  断路器  Cutler-Hammer

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QA3033T600 
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