PROTECT your brand reputation by including current-limiting fuses,
surge protective devices, and motor protection relays.
CONTROL loads and
increase system efficiency with time delay, current monitoring and mechanical relays, contactors, capacitors, and transformers.
弧闪继电器可保护您的设备和人员，同时还可缩短弧闪情况下的停工时间。
弧闪保护
使用我们广泛的保险丝盒、保险丝座和保险丝配件系列，可以轻松地安装和更换保险丝。
保险丝盒和保险丝座
Littelfuse UL类保险丝可为各种HVAC负载条件提供优质的过流保护。
UL级保险丝
集成式接触安全型保护盖可防止因电线、工具或其他导体松脱而造成的电极间的意外短路。
电源接线板
防止电机空转，并防范保险丝熔断、电线断裂或触点磨损。
电压和相位监控器
列入UL认证目录的Littelfuse CC/CD保险丝采用节省空间的设计，可发挥极端限流功能，并且电流最高可达60 A。
CC级保险丝
增强型过载继电器将电压和相位保护与电机的欠载和过载保护相结合。
增强型过载继电器
浪涌保护设备（SPD）可针对持续若干微秒的瞬态过压为设备提供保护。
浪涌保护器件
通过易于安装的定制RTD、簧片和温度传感器，可以更准确地感应温度并缩短周期时间。
Littelfuse offers aluminum probe housings engineered for a wide range of HVAC temperature sensing applications. Customized solutions tailored for your needs are available by request.
带铝质外壳的温度传感器
负温度系数（NTC）热敏电阻管道传感器是测量管道表面温度的理想选择，可以更好地控制加热/冷却功能以提高能效。
NTC热敏电阻管道温度传感器
Littelfuse offers a wide variety reed sensors for a wide range of HVAC temperature sensing applications. Customized solutions tailored for your needs are available by request.
磁簧开关位置传感器
Littelfuse监视继电器具有过流和欠流感应功能，以及可调节的跳闸延时。
电流监测继电器
We offer a broad range of heavy-duty transformers featuring primary and secondary voltages
between 20 to 500 VA.
变压器
Engineered to boost the current
or reduce the power factor to an electrical motor, run capacitors
are used in single phase motor applications when there is a
need for improved torque and efficiency.
电容器
Available in 1 & 2, 3 & 4, and 4 Pole configurations, we offer a range of contactors for both commercial and resident HVAC applications.
接触器
保护HVAC/R设备免因压缩机快速循环而损坏。
延时继电器
Ideal for HVAC applications, general-purpose relays are available in industry standard sizes.
机械继电器
