Features

Vigilant Series Transfer Switches

The Vigilant Series automatic transfer switch is designed to automatically transfer critical loads in the event of a power outage. It consists of a simple, rugged design while maintaining the flexibility required to meet the needs of residential, agricultural and light industrial applications.

  • Galvanized Steel Enclosure – This duplex coated, galvanized G90 grade steel meets American Society for testing and Materials (ASTM) standard A653, with a service life of more than twice that of regular steel.
  • Exterior Accessability – The easy–to–use, 7–day exerciser clock gives full control over day and time. The exerciser clock and indicator lamps are both accessible from outside the transfer switch – no need to open the door, even with the NEMA 3 enclosure option.
  • VTSC100 Logic Controller Board – The controls harbored in the center of every Vigilant automatic transfer switch. It is designed to provide all basic transfer switch control functions with simplicity, flexibility, and durability.

    Features include:
    • Powered from genset battery for isolation against line transients.
    • Integrated voltage and frequency sensing.
    • Adjustable transfer delays using on–board potentiometers.
    • Fused remote start contact relays.
    • Adjustable drop–out & pick–up values for voltage and frequency.
    • Internal test switch included.
  • Galvanized Corrosion Protection – Standard on all Vigilant enclosures; they are made from duplex coated, galvanized G90 grade steel and meets American Society for Testing and Materials (ASTM) standard A653. The service life of our galvanized steel enclosures is more than twice that of regular steel.
  • 5–Year Warranty – One of the best comprehensive parts warranty in the industry.

How To Select the Ideal Automatic Transfer Switch

Once you've selected a generator, selecting an automatic transfer switch requires that you focus on two things:

  • Service Amps: Milbank automatic transfer switches come in two sizes: 100 amps and 200 amps. To determine your needs, first take a look at the main breaker on your distribution panel. If you have a 200 amp main breaker (which is common in new homes), you will need a 200 amp WHOLE HOUSE automatic transfer switch. If you have a 100 amp main breaker (which is common in older homes), you will need a 100 amp WHOLE HOUSE automatic transfer switch.
  • Installation: Once you have selected a switch, there are basically two ways to install an automatic transfer switch:

    Standard Installation: The most common option is to install it inside the home next to the main distribution panel. Your electrician will also need to install a sub–panel to manage the load properly.

    Service Disconnect: Milbank also offers automatic transfer switches with “service entrance disconnect.” These outdoor transfer switches are connected directly to your home's utility meter instead of the main circuit panel. The service disconnect option eliminates the need for the sub–panel.

How It Works

Home Generator Systems feature a continuous fuel supply from either Natural Gas or Liquid Propane and are permanently connected via a transfer switch to your home's electrical system for an automatic response to power failure.

  • The Home Generator System's computer–controlled Transfer Switch continually monitors your connection to local utility power.
  • When utility power is disrupted, the transfer switch confirms that a true power outage has occurred and signals the standby generator to start.
  • The system supplies backup power to your home within 30 seconds. When utility power is restored, the system automatically senses it, restores utility power, and resumes monitoring until the next utility failure.

Models (100A-400A)

 

100A

200A

400A

400A

Model MGVATS1001240 MGVATS2001240 MGVATS4001240* MGVATS4001208*
Phase Single Phase Single Phase Single Phase (additional voltages available) Three Phase (additional voltages available)
Limited Warranty 5 years 5 years 5 years 5 years
Circuits N/A N/A N/A N/A
Amps 100A 200A 400A 400A
Service entrance disconnect No No No No
Dimensions
(L x W x H)
16" x 14" x 6" † 24" x 20" x 6" † 48" x 30" x 13" 48" x 30" x 13"
Weight 25 lbs. 55 lbs. 190 lbs. 190 lbs.
Common features External digital display and LED's. External digital display and LED's. External digital display and LED's. External digital display and LED's.
Power management No No No No
Voltage 120/240 120/240 120/240, 120/208, 277/480 120/240, 120/208, 277/480
Poles 2 2 2, 3, 4 2, 3, 4
Lug capacities 1/0 to 14AWG 1/0 to 250MCM 4 to 600MCM 4 to 600MCM

  • *Supplied standard in NEMA3 only
  • †Add 1" to depth if N3 enclosure is selected
  • Vigilant Series switches are compatible with most Milbank standby generators, please consult your sales agent for compatibility.
  • 100A and 200A approved UL1008 — Optional Standby System
  • 400A through 1250A approved UL1008 — Emergency Systems

Models (600A-1250A)

 

600A

600A

1000A

1250A

Model MGVATS6001240* MGVATS6001208* MGVATS10001240 MGVATS12501240
Phase Single Phase (additional voltages available) Three Phase
(additional voltages available)
Single Phase
(additional voltages available)
Single Phase
(additional voltages available)
Limited Warranty 5 years 5 years 5 years 5 years
Circuits N/A N/A N/A N/A
Amps 600A 600A 1000A 1250A
Service entrance disconnect No No No No
Dimensions
(L x W x H)
60" x 30" x 25" 60" x 30" x 25" 60" x 36" x 25" 60" x 36" x 25"
Weight 425 lbs. 425 lbs. 510 lbs. 542 lbs.
Common features External digital display and LED's. External digital display and LED's. External digital display and LED's. External digital display and LED's.
Power management No No No No
Voltage 120/240, 120/208, 277/480 120/240, 120/208, 277/480 120/240, 120/208, 277/480 120/240, 120/208, 277/480
Poles 2, 3, 4 2, 3, 4 2, 3, 4 2, 3, 4
Lug capacities 2 to 600MCM 2 to 600MCM 2 to 600MCM 2 to 600MCM

  • *Supplied standard in NEMA3 only
  • †Add 1" to depth if N3 enclosure is selected
  • Vigilant Series switches are compatible with most Milbank standby generators, please consult your sales agent for compatibility.
  • 400A through 1250A approved UL1008 — Emergency Systems