The ELK-924 Sensitive Relay module features DPDT (Form ?C?) dry contacts for general purpose switching of devices or high current loads. It operates on 12 or 24 volts DC and can be triggered with a negative or positive input at an incredible low current of only 1 milliamp.Also available in a 4 pack (ELK-9244) which is packaged as 4 relay modules grouped on a pre-scored break-off circuit board.Main FeaturesSuper Low 1.2 mA Trigger CurrentPositive (+) Or Negative (-) Trigger InputDouble Form ?C? Contacts DPDTHeavy Duty Contact RatingOn Board LED Status IndicatorIncludes Double Sided Mounting TapeMounts in Standard 2.75? Snap TrackPackaged in Reusable Poly Storage BoxLifetime Limited WarrantyGeneral InformationName: ELK 924-4 Sensitive Relay, ELK Products, Inc, ELKCategory: Elk Products Inc., Batteries & Power Supplies, Surge Protection & RelaysUPC Code: 762158092442Country of origin: United States. Country of origin is subject to change.