DLB relay Home › Ask the Teacher Forums › Free Tech Info › DLB relay This topic has 1 reply, 2 voices, and was last updated 6 years, 11 months ago by Susan Brown. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts October 1, 2017 at 4:59 pm #11458 Vibe Quick question: what is a DLB relay (range/oven) October 1, 2017 at 7:11 pm #11459 Susan BrownKeymaster “Double Line-Break” relay – a safety device. It’s purpose is to disconnect power to the Bake/Broil elements in case of a fault condition. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In