specifications current rating/额定电流：40a-60a dc contact resistance/电阻特性：0.5mω max electro-needle elasticity/电流针弹力：4.0kgf-12.0kgf voltage needle elasticity/电压针弹力：0.22kgf-0.5kgf max.travel/大行程：12.0mm installation hole diameter/安装孔直径：φ13.1～13.3mm installation plate thickness/安装板厚度：6.0～11.5mm suitable for temperature /适合温度：-40℃～+150℃

materials and plating current needle: be-cu，nickel and gold plating 电流针：铍铜，镀镍镀金 voltage needle: bronze，nickel and gold plating 电压针：磷铜，镀镍镀金 sleeve: match steel 套筒：赛钢 spring: music wire,plate with nickel 弹簧：琴钢线、镀镍 nut: brass，plate with nickel 螺母：黄铜，镀镍