产品描述product description
◆dfk系列是一款通用型的直流扳机开关，集成防尘功能和机械刹车接点，应用于各类直流充电式手持电动工具和园林工具，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、充电式吹吸机、充电式打草机等。
◆dfk series are general type dc trigger switches, integrated dustproof and mechnical brake contact, commonly for used in dc cordless portable power-tools and gardening power-tools such as: cordless drills, cordless screw drivers, cordless blowers, cordless grass trimmer, etc. besides, they also suitable for brushless dc tools.
产品特征features
◆可选带以下附件 optional with the accessories as follows:
→换向盒 reversing box
→外接各种联接导线 auxiliary wire output
→带软胶扳机 trigger covered with rubber (overmoulding)
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 24vd .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 function1300v
→加强介电强度 dielectric strength of reinforced2600v
→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:
→焊接端子 solder terminal
→沾锡导线 wire with tin conductor
◆换向盒 reversing box:
→焊接端子 solder terminal
→沾锡导线 wire with tin conductor
◆电位器输出 potentiometer output:
→沾锡导线 wire with tin conductor
→带插头导线 wire terminal with plug
★ 本产品荣获实用新型专利，专利号：zl201920484217.2
★ utility model patented with no. is zl201920484217.2
电气参数和认证 electric rating and certification
