This manual describes the basic installation and quick startup instructions of the MOTORTRONICS VMX series digital solid state soft starter
The MOTORTRONICS VMX Series is a digitally programmable solid state reduced voltage soft starter designed for smooth load acceleration. It utilizes a six SCR design to withstand starting currents up to 350% for 30 seconds and features smooth stepless ramp control to reduce motor inrush current and mechanical wear. The unit includes a programmable keypad, diagnostic LEDs, and solid state electronic overload protection, requiring 120VAC control power with optional 220VAC support.
| Current Rating Range | 18 – 1000A |
|---|---|
| Control Power Requirement | 120VAC (220VAC optional) |
| Starting Current Withstand | 350% for 30 seconds |
| Maximum Starting Current | 600% for 10 seconds |
| SCR Design | Six SCR design |
| Ambient Temperature (Open Panel) | 0 to 50°C (32 to 122°F) |
| Ambient Temperature (Enclosed) | 0 to 40°C (32 to 104°F) |
| Heat Dissipation (BP Series) | Less than 50W |
Connect L1, L2, L3 to power lines and T1, T2, T3 to the motor.
A minimum vertical clearance of 4 inches (100 mm) is necessary on the top and bottom.
The motor's Full Load Amps (FLA) must be programmed in function F001.
Use functions F003 and F004 to set the Overload Class.