KHJ24 Mine scram sensors/emergency stop sensors KHJ24 mine stop sensor is suitable for the coal mine, which can realize a belt conveyor accident emergency stop use, suitable for coal mine gas and coal-dust explosion dangerous environment and the mining belt conveyor protection device host systems. Performance characteristics Shell is made of casting forming, small volume, light weight. Dry rotating flexible and reliable operation, metal parts to rust and corrosion protection treatment, tight with the measures to prevent loose pieces. Scram sensor rod action immediately after the action force output control signals and lock, must be behind the manual reset can be unlocked. Technical parameters Model: KHJ24;  Explosion-proof type: ExibⅠ; Action schedule: 15 mm + / - 3 mm; Action: 50 ~ 100 N; Reset: 40 ~ 80 N; Contact resistance: closed contact the contact resistance: 0.1 or less; Contact capacity: DC12V / 0.5 A; Dimension: 156 * 90 * 90 mm; Weight: 3 kg; Action performance: Aaction immediately and lock fter the switch action forced, it should  be unlocked behind the manual reset .