dek series dustproof (multi-function) dc variable speed trigger switches
产品描述product description
◆dek系列是一款通用型的直流扳机调速开关，集成防尘和机械刹车接点，内部带换向结构，应用于各类直流充电式手持电动工具，如:充电式电钻、充电式电锤、充电式螺丝起子、充电式冲击扳手等.
◆dek series are one general type dc variable speed trigger switches, integrated dustproof, mechanical brake contact and reversing box, commonly for used in dc cordless portable power-tools such as: cordless drills, cordless screw drivers, cordless rotary hammers, cordless impact wrenches, etc.
产品特征features
◆本开关结构紧凑效率高,大面积的固定式散热片为开关的安装提供方便.开关内部为单极常开带直通接点结构,通过改变输入脉冲的占空比来控制场效应管的输出电压，而实现电子调速功能. ◆开关输出端的平均电压为总电压的8-50%至8-90%,也可以按客户要求进行定制,开关按到底由直通接点接至电池端电压. ◆可选带以下功能或附件: →外置mos管 →带软胶扳机 →外接led及导线 →外接电池温度检测导线 →智能调速功能,可带软启动,欠压保护,过流保护,电池过温保护 ◆the switches combine compact size with high performance, a wide scope of heat sink for mosfet and further options provide easy to mount solutions. they employ spst-no with by-pass contact, integrated pwm (pulse width modulated) electronics in various dimensions. ◆average duty cycle of motor voltage 8 - 50% to 8 - 99%, then by-pass to battery voltage (according to customer's demand). ◆optional with the function or accessory as follows:
→external mosfet version
→trigger covered with rubber
→auxiliary led and wires
→auxiliary wire for temperature test
→multi-function, optional soft start, under-voltage protection, over current protection, battery temperature protection
技术数据technical data
→机械耐久寿命 mechanical life endurance≥1e5
→电气耐久寿命 electrical life endurance≥5e4
→最大电流 max. current at 42vd.c 25a
→接触电阻 contact resistance≤30m ohm
→绝缘电阻 insulation resistance≥7m ohm
→基本介电强度 dielectric strength of function500v
→加强介电强度 dielectric strength of reinforced500v
→环境温度 ambient temperature0°c~55°c
→阻燃等级 flammabilityul 94v-0
→防护等级 protection typeip40
◆开关内部电子部分在相应使用中一并做过相关测试,本开关适合做二类器具开关使用.
◆the electronics in the switches had to be tested together with the corresponding appliances, so the switches are suitable for appliance of class ii.
