ASCO’s Series 300 Transfer Switch is a reliable and robust solution designed to ensure seamless power transfer between primary and alternate power sources. With a strong focus on efficiency and safety, it is a critical component in standby power systems, providing uninterrupted power supply during utility outages. The Series 300 Transfer Switch incorporates advanced mechanisms to detect power source anomalies and swiftly transition to the backup power supply, safeguarding critical loads in various applications. Equipped with intelligent control capabilities to provide comprehensive monitoring, diagnostics, and remote communication features, it empowers operators with real time insights into power status and performance. This enhances operational visibility and facilitates proactive maintenance, ensuring optimal reliability and uptime. Furthermore, the transfer switch adheres to rigorous industry standards and certifications, exemplifying its commitment to quality, compliance, and long term dependability. Its robust construction and high quality components contribute to extended service life and resilience in demanding environments, making it a trusted choice for mission critical power applications. ASCO’s Series 300 Transfer Switch provides seamless power transfer solutions for businesses and organizations where uninterrupted power availability is paramount.

• Features
• Transfer switch catalog string J03AUSA30400CGXC,11BE
• Designed for commercial and light industrial facilities
• Rugged design and reliable performance
• Integrated, multilingual user interface for configuration and monitoring
• This product is TAA compliant.
• Meets all NEC requirements for service entrance equipment
• Circuit breaker disconnection on the normal source for isolation of transfer switch and other electrical equipment
• Prop 65
• WARNING: This product can expose you to chemicals including: Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

• Communications & Management Attributes
• Communication Interface : Modbus TCP, RS485
• Complementary Attributes
• Ie Rated Operational Current : 400 A
• Ue Rated Operational Voltage : 240 V
• Important Information Attributes
• Response Time : < 80 ms, < 80 ms
• Local Data Status : Publishable
• Local Publishable Date : 2025-11-19
• Return Indicator : Y
• Device Type : LV equipment - LV auto transfer switch
• Serviceability : Yes
• Traceability : Yes
• Field Service Division : PPIBS
• Average Life Duration : 20 year(s)
• Weee Scope : In
• Weee Product Category : 5
• Scope Perimeter : Outside of Europe
• Rohs Eur In Scope : Yes
• Rohs Eur Status : Compliant By Exemption
• Rohs Eur Conformity Date : 1801
• Rohs Eur Full Compliance Status : Compliant By Exemption
• China Rohs In Scope : No
• China Rohs Label : 7
• With Recycled Cardboard : Yes
• Without Single Use Plastic : No
• Product Contributes To Saved And Avoided Emissions : No
• Product Kit Identifier : N
• Condition Of Use : service entrance rated
• Contact Operation : solid neutral
• Contact Position Indicator : no
• Contact Status : open
• Controller Type : Group G
• Enclosure Type : UL Type 1
• Module Type : J-Frame
• Number Of Poles : 3P
• Operating Mode : automatic
• Phase : three phase
• Product Or Component Type : transfer switch
• Range Of Product : ASCO 300 Series
• Returnability : Yes
• Sustainable Packaging : No
• Nbr. Of Units In Pkg. : 1
• Customs Code : 8537109170
• Warranty In Months : 18
• Environment Attributes Main
• China Rohs Regulation : Product out of China RoHS scope , Product out of China RoHS scope. Substance declaration for your information.
• Take Back : No
• Recycled Metal Content At Cr Level : 0 %
• Mercury Free : Yes
• Eu Rohs Directive : Compliant By Exemption
• Packaging Made With Recycled Cardboard : Yes
• Packaging Without Single Use Plastic : No
• General Attributes
• Phase : three phase
• Product Or Component Type : transfer switch
• Range Of Product : ASCO 300 Series
• Specifications
• Compliance : TAA Compliant