Elco Semi Contactors are suitable for industrial devices, providing high switching & long life switching cycles. SSRSC1 & RC1 Elco Single Phase Semi Contractors are highly durable, ideal for heavy use - Solving switching & control tasks in specific applications. KEY FEATURES • Single Phase AC Semi Contractor • IP20 Protection • Zero Crossing Elco SSRSC1 & RC1 AC Semi Contactors offers a control voltage range of 5-24V DC or 24-230V AC/DC.