electric control box: 1. Max. motors:1/2/3 motor(s) 2. Over current protection 3. 2pcs 9v batteries back-up

electric cpontrol box:

Feature:

Model	2520
Input rating	AC120V60Hz/AC240V50Hz
Output rating	DC24V 3A Max.
Motor No.	1/2/3motor(s)
Duty cycle	15% Max(on 2 mins max.)
Handset	RF remote control
Environment	-5°c~45°c
IP	Class 2 power unit

electric control box