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ABRA has a vast inventory of Relay Switch electronic kits for teachers, students and hobbyists.
If you are a teacher looking for the appropriate kits for your classroom, call our knowledgeable staff for quantity prices and recommendations.

Relay Switches

Sort by: SKU Product Price Default See details Ramsey TS1 Touch Switch Kit SKU: TS1 The Ramsey TS1 Touch Switch Kit Drives loads up to 100mA and is great for light switches, radios, keyers, etc. Price: US$10.95 See details Clap On/Clap Off Relay Switch Kit SKU: CK252 Relay activated after receiving a sound. Price: US$14.99 See details Ramsey RFS1 RF Actuated Relay Switch Kit SKU: RFS1 Ramsey RFS1 RF Actuated Relay Switch Kit is the unit you need when adding a preamp or power amp in line with an existing antenna. Price: US$19.95 See details Velleman MK139 Clap ON/OFF Switch SKU: MK139 The Velleman MK139 Clap ON/OFF Switch operates your lighting with a single handclap. Price: US$19.95 See details Relay Card SKU: VEL-K2633 4 x 3A relay outputs. Price: US$22.99 See details Quad Triac Switch Card Kit SKU: VEL-K2634 Increase the life time of the contact point. Price: US$26.99 See details Velleman K8015 Multifunction Relay Switch Kit SKU: K8015 The Velleman K8015 Multifunction Relay Switch Kit can be used for incandescent lighting, halogen lighting, fluorescent lighting, fans, valves, buzzers, flashing, interval, random switching, etc. Price: US$27.95 See details 8 Channel Relay Card SKU: VEL-K8056 This relay card can be used in several ways. Price: US$69.99 See details Universal Relay Card Kit SKU: VEL-K6714 If you want to switch large electric currents using an electronic control and require control isolation at the same time, then this card is a valuable asset. Price: US$69.99 See details Universal Relay Cards Kit SKU: VEL-K6714-16 16 relays and screw connectors included. Price: US$114.99