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ATC Service Entrance Rated MCCB & Power Breaker Based ATS

Cat® Service Entrance Rated (SER) automatic transfer switches (ATS) are designed to provide standby power emergency power to entire installation loads to protect against utility power interruption; yet allow the ATS to be as close as possible to the point of service entrance. By safely and in code compliance, integrating the necessary overcurrent protection and service disconnecting means into the automatic transfer switch, a single installation can be made at the service entrance. This design eliminates the need for a separate upstream fault protection and respective interconnections, which in turn reduces installation space, time, and cost. Breaker-based Service Entrance Rated transfer switches are available from 30A to 5000A.

  • Specifications

  • Standard/Optional Equipment

  • Catalog

Rating Range

30-5000A

Transfer Type

Open / Closed / Delayed

Switch Type

Molded Case and Power Breaker

MCCB

30-1000A 2, 3, or 4 Pole

Fixed Mount Power Breaker

200-3200A 2, 3, 4-Pole

Drawout Power Breaker

200-5000A 2, 3, or 4-Pole

System Voltage Application

120-600 Vac 50/60 Hz

Withstand

(Power Breaker) Up to 100 kAIC at 600V 3 cycles

Applicable Testing


UL 1008 listed up to 3200A

4000A, and 5000A UL 891 listed

Available Options

4-position test switch

Remote communications

Surge suppression

Selectable automatic or non-automatic operation

Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)

Communications for the ATC-300+ controller via RS-232 or Modbus through an integrated RS-485 port

Field selectable, multi ratio, control voltage transformer 50/60 Hz

Load sequencing contacts

Multi-meter options available

Open, closed or delayed transition

Space heaters

Integral overcurrent protection

Optional Delayed Transition includes:

Pre-transfer signal with 1 N.O. and 1 N.C. contacts

Time delay neutral

Controls and Wiring

All controls relays and industrial grade relays are totally encapsulated to minimize exposure to dust and dirt. Lugs are 90º rated and all control wire is #16 AWG, type XLPE with a 125º temperature rating.

Enclosure

Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges to ensure proper support of the door and door mounted devices. The hinges have removable hinge pins to facilitate door removal for easy wall mounting or service and are supplied with pad-lockable latches.

ALL

Controls and Wiring

All controls relays and industrial grade relays are totally encapsulated to minimize exposure to dust and dirt. Lugs are 90º rated and all control wire is #16 AWG, type XLPE with a 125º temperature rating.

Enclosure

Durable powder-coated steel NEMA 1, 3R or 12 enclosures with three door hinges to ensure proper support of the door and door mounted devices. The hinges have removable hinge pins to facilitate door removal for easy wall mounting or service and are supplied with pad-lockable latches.

Optional Equipment

Available Options

4-position test switch

Remote communications

Surge suppression

Selectable automatic or non-automatic operation

Seismic Zone 4 Qualified (BOCA, CBC, IBC, UBC and OSHPD)

Communications for the ATC-300+ controller via RS-232 or Modbus through an integrated RS-485 port

Field selectable, multi ratio, control voltage transformer 50/60 Hz

Load sequencing contacts

Multi-meter options available

Open, closed or delayed transition

Space heaters

Integral overcurrent protection

Optional Delayed Transition includes:

Pre-transfer signal with 1 N.O. and 1 N.C. contacts

Time delay neutral

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