VMX S.A.F.E. Plus
Safer Access For Electricians — Low Voltage Soft Starter
The VMX S.A.F.E. Series is the ultimate product in the market today for Low Voltage Control, allowing a Service Engineer / Electrician to do the job safely with minimum PPE (Personal Protection Equipment). A totally safe main enclosure means no voltage is present with the breaker off.
| AC Supply Voltage | 208 – 575 Vac |
| HP Ratings | 40 to 1,000 HP* |
| Max Amp Ratings | 96 to 960 Amps |
| Overload Rating | 500% for 60 sec. / 600% for 30 sec. |
| Bypass | In-line and bypass contactors (DOL rated) |
| Short Circuit | 65 kAIC at 480 Vac, service entrance rated |
| Enclosure | NEMA 4 / IP67 with outdoor 3R kit |
| Ratings | UL and IEC — UL508 and IEC UL60947 |
*For 1000HP Contact Factory
Totally Safe Enclosure
No voltage with breaker off. LED Voltage Detection System confirms a safe state before entry.
Interlocked Breaker
Flanged mount lockable breaker interlocks the line voltage and circuit breaker compartments.
Redundant Protection
In-line contactor and full digital redundant motor protective relay (Rx Series) for across-the-line starts.
Touch Screen Standard
Msmart universal HMI with advanced metering and support for 8 languages. Modbus RTU standard.
Available Optional Features
- Motorized Remote Control Breaker
- Ground Fault – Zero Sequence Current Transformer
- Hand Rails for Marine Applications
- Dual Motor Option with Motor Protection
- Electric Motor Heater for Damp Environments = No Strip Heaters to Fail – “MWH”
- GFI Safety Receptacle Plug in Low Voltage Compartment
- Cabinet Heaters
- NEMA 4X Stainless Steel Enclosure
- Sun Shield (NEMA 4 / 12 / 3R / 1)
- Low Voltage LED Lighting for Low Voltage Enclosure
VMX S.A.F.E. Plus
Technical Specifications
Motor Starting System
208 – 575 VAC, 40 – 1000 HP*
*For 1000HP Contact Factory
SSRV Heavy Duty
ANSI 500% rated for 60 seconds / 600% for 30 seconds
Contactors
Heavy duty Direct On Line rated in-line and bypass contactors. No dangerous output voltage when off.
Circuit Breaker
65 kAIC at 480 VAC, service entrance rated. Interlocked flanged handle — door is locked while breaker is on.
Overload Protection
Advanced dual redundant motor protection with true thermal modeling. Retentive thermal memory and learned dynamic reset.
Enclosure
NEMA 4 / IP67 with outdoor 3R kit. Optional NEMA 4X stainless steel.
Ratings
UL and IEC Rated — UL508 and IEC UL60947. Works in North America and Europe.
Low Voltage Compartment
120 Vac limited energy only. Three phase 120 Vac test point from metering grade voltage transformer. All control logic, keypads, meters, lights and relays located here.
Live Line Indication
LED Voltage Detection System connected to the output of the main breaker for safe lockout / tag out.
Surge Protection
Line surge device located inside the line voltage compartment.
Metering & Control
Advanced digital metering with Msmart Smart Panel in both soft start and across-the-line modes.
Touch Screen
Msmart single universal Smart HMI panel — standard, with support for 8 languages.
Communication
Modbus RTU standard
Advanced Motor Protection Features
Overload Protection Method
Real-time Motor Thermal Modeling uses current sensors and microprocessor to continuously calculate motor temperature.
Retentive Thermal Memory
Remembers the thermal condition of the motor even if control power is lost. Thermal Register is adjusted for Off-Time when power is resumed.
Dual Overload Curve Settings for RV Start
Start Curve can be set to Class 5-30. Run Curve can be set to Class 5-30. Automatic Full Speed detection and changeover.
Learned Dynamic Reset
Overload Trip will not reset unless motor has regained enough thermal capacity based on learned motor starting profiles.
Programmable Service Factor
Service Factor setting automatically adjusts other settings to compensate. Adjustment Range: 1.0 – 1.15 SF.
Current Imbalance Protection
Monitors phase-to-phase current levels and trips if imbalance exceeds setting. Setting: Off or 1-30% FLA w/ 1-20 sec. delay.
Phase Loss / Sequence Protection
Trips on any phase under 20% of FLA. Sequence selectable A-B-C, C-A-B or Off.
Over-Current Trip
Electronic Shear-Pin / Shock Relay. Setting: Off or 50-300% FLA w/ 1-20 sec. delay.
Under-Current Trip
Load-Loss / Loss of Prime protection. Setting: Off or 10-90% FLA w/ 1-60 sec. delay.
Over Voltage Trip
Any phase voltage over trip level. Off or 1-10% of set voltage, w/ 1-20 sec. delay.
Under Voltage Trip on Startup
Off, or 1-30% of set voltage. 1-180 second startup time.
Under Voltage Trip at Full Speed
Off, or 1-30% of set voltage. 1-20 second trip delay.
Load Monitor (True Motor Power)
Under or Over kW trip or alarm. Off, or 20-100% motor kW, w/ 1-20 sec. delay.
Power Factor Monitor
Leading or Lagging PF, trip or alarm. Off, or 0.01-1.00, lead or Lag w/ 1-20 sec. delay.
Frequency Monitor
Over or Under programmed frequency. Trip Setting: Off, or 1-10 Hz, w/ 1-20 sec. delay.
Equipment Ground Fault Protection
Electronic Residual current protection method, no additional CTs needed. Setting: Off, 5-90% of CT w/ 1-60 sec. delay.
Short Circuit / Shorted Load
Peak Current quick trip (electronic fuse). Trip level: Off or 800-1400% FLA, with .1-.5 sec. delay.
Restart Delay Timer
Programmable delay for restarting after a power failure for use in multiple installations. Setting: 0-999 sec.
Starts-per-Hour Lockout
Programmable maximum starts-per-hour to prevent exceeding motor limits. Setting: Off or 0-10 start / Hr.
Minimum Time Between Starts
Used with or without Start-per-Hour protection to prevent short cycling of motor. Setting: Off or 1-60 minutes between starts.
Coast-Down Timer
Back Spin or Anti-windmilling protection. Prevents Restart after Stop Command. Time Setting: Off or 1-60 min.
VMX S.A.F.E. Plus
Documentation
- VMX S.A.F.E. Plus Series Brochure2.2 MB
- VMX-Synergy Plus™ ANSI Brochure1.72 MB
- VMX-Synergy Plus™ User Manual4.21 MB
- VMX-Synergy Plus™ Quick Start Leaflet337 KB
- VMX-Synergy Plus™ Quick Start Guide2.84 MB
- VMX-Synergy Plus™ Modbus Parameter Tables598 KB
- VMX-Synergy Plus™ Communication Modules1 MB
- VMX-Synergy Plus™ Log File Download1 MB
- VMX-Synergy Plus™ Battery Removal215 KB
VMX S.A.F.E. Plus
Software Tools
System Requirements
Windows 10 or higher
Intel Core i3 or equivalent
2 GB RAM minimum
100 MB disk space