产品描述product description
◆fa7-12b系列是一款专用型的大电流扳机开关，集成防尘功能，内部为快速动作结构，适合大功率的电动工具，如：型材切割机、斜切锯(介铝机)、180和230大角磨、重型电锤、重型电镐等。主体和扳机可按照客户要求进行定制。
◆fa7-12b series are special type high rated trigger switches, integrated dustproof, with snap-action structure, for used in high rated bench top or portable power-tools such as cut-off machines, miter saws, 180mm and 230mm large angle grinders, heavy rotary hammers, heavy demolition hammers, etc. the body and trigger accept customize according to customer's request.
产品特征features
◆可选带以下功能 optional with following function:
→双极常开 double pole normally open (dpno)
→单极常开 single pole normally open (spno)
◆可选带以下锁定类型 optional with following lock types:
→无锁 no lock
→闭合锁定 lock-on
→断开锁定 lock-off
→断开锁定带闭合锁定 lock-off with lock-on
◆可选带以下附件 optional with the accessories as follows:
→滤波电容(电容值由客户选定，一般为0.22 μ f或0.33μf)
suppression capacitor (commonly 0.22or0.33μf)
→电缆线压线板和螺钉 pressing board for cable and screw
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
→最大冲击电流 max. inrush current at 250v120a
→最大冲击电流 max. inrush current at 127v144a
→接触电阻 contact resistanc≤30m ohm
→绝缘电阻 insulation resistance≥7m ohm
→基本介电强度 dielectric strength of function1500v
→加强介电强度 dielectric strength of reinforced3000v
→环境温度 ambient temperature0°c~ 55°c
→阻燃等级 flammabilityul 94v-0
→防护等级 protection typeip40
→适用于ii类防护器具 suitable for appliances of protection class ii
端子类型terminals
◆输入端 input side:
→2×接线柱端子/螺钉m4 pillar terminals φ=4mm with m4 screw
◆输出端 output side:
→2
×插片端子 plug-in terminals 6.3
×0.8mm
电气参数和认证 electric rating and certification
