产品描述product description
◆dqk系列是一款专用型的直流扳机开关，集成防尘功能，是特别为直流无刷充电式电动工具设计的，可适用于：无刷充电式电钻、无刷充电式电锤、无刷充电式螺丝起子、无刷充电式冲击扳手等。特殊设计的外形可以和线路板直接连接，而不需要外接导线。
◆dqk series are special type dc trigger switches, integrated dustproof, designed specially for used in brushless dc power-tools such as: brushless cordless drills, brushless cordless screw drivers，brushless cordless impact wrenches, etc. with special design for assembly with pcb, needn't any wires.
产品特征features
◆本开关结构紧凑，可选带以下功能或附件：
→通断带电位器输出功能
→通断带正反转信号输出和电位器输出功能
→外接二极管
→带软胶扳机
◆the switches combine compact size, optional with the function or accessories as follows:
→on-off version with linear potentiometer
→on-off version with reversing and linear potentiometer
→diode externally
→trigger covered with rubber (overmolding)
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.c20a
→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.
端子类型terminals
◆输入端/输出端 input side/output side:
→a,b-线路板焊接端子 pcb solder terminal 2.0×0.8mm
→a,b-焊接端子 solderterminal 4.0×0.8mm
→信号输出-线路板焊接端子
→single output pcb solder terminal 1.0×0.8mm
→信号输出-导线端子 single output-wire terminals
电气参数和认证 electric rating and certification
