ESE 2.5 Built-in speed controller electronic speed controller for stepless fashion speed control of alternating current fans, phase angle principle, built-in on / off switch, unregulated switching output. Separately from secured-by fuse. For installation in control cabinets and distribution (35 mm and 68 mm standard rail installation program to suit). 5/6 Hz, Mindestbe utilization,
A. IP second Make: Helios No.:
3 Type 2: ESE 2.5 ______________________________________