Series 300SE Service Entrance Power Transfer Switch

Product Downloads


Get a free estimate


Or Call Us Today for a Quote:


Product Description and Specifications

The ASCO Series 300SE Service Entrance Power Transfer Switch combines automatic power switching with a utility circuit breaker as a disconnect device. The power transfer switch meets all National Electrical Code requirements for installation as service entrance equipment. Service entrance rated transfer switches are generally installed at facilities that have a single utility feed and a single emergency power source.

Series: 300
Applications: Commercial, Light, Industrial
Amperage: 30 – 3,000
Poles: 2, 3 or 4
Voltage: 115 – 600V

Features and Benefits

  • Suitable for use as service entrance equipment
  • The Asco Series 300SE is listed to UL 891 standard for Dead-Front Switchboards, and meets all NEC requirements for service entrance equipment
  • Automatic Transfer Switch is listed to UL 1008 for total system loads
  • Sizes available from 150 through 3000 amps
  • Available to 600 VAC, 50 or 60Hz, single or three phase
  • Circuit Breaker disconnect on the normal for isolation of transfer switch and other electrical equipment
  • Disconnect link on Neutral and Ground
  • Silver plated copper ground and neutral bus
  • Solderless screw type terminals for External Power Connections
  • Ground fault trip protection provided on sizes of 1000 amperes and above
  • UL approved Type 1 enclosure
  • Available with solid or switched neutral
  • Optional TVSS Available on Normal, Emergency and/or Load

Questions? Call us toll free at 1-800-370-3621 or send us a message now. We’re here to help.