PULS-DIMENSION-PISA11-4-Output-DIN-Rail-Protection-Modules-24V-DC-4-20A-PULS-PISA11-203206-p-This-protection-module-from-PULS-fulfills-two-basic-functions-First-it-distributes-the-current-of-a-large-power-source-to-four-lower-current-output-channels-and-therefore-allows-for-smaller-wires-to-be-used-The-second-function-is-to-permit-only-so-much-current-on-the-outputs-that-the-input-voltage-of-this-unit-which-corresponds-to-the-output-voltage-of-the-power-supply-does-not-fall-below-21V-