Thomson TS920 Auto Transfer Switch (3Ph, 400A)

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This Thomson TS 920 Automatic Transfer Switch is perfect for three phase commercial applications up to 400A. Indoor or outdoor enclosure. Not Service Entrance Rated – requires an upstream main circuit breaker or similar device for utility and generator sources.

Power Contactor Switching Units

• 100% Continuous Current Ratings for use with all load types
• Suitable for Copper and Aluminum power cable connections
• High Short Circuit Withstand Ratings when used with upstream molded case circuit breakers

Reliable Solenoid Operated Transfer Mechanism

• Fast Operation allows In-Phase Power Transfer
• Electrical and Mechanical Interlocked mechanism prevents simultaneous closure of Utility and Generator sources

Serviceability

• Plug-in Control Devices allow quick connections
• Enclosed Power Contacts for safe operation and maintenance

Enclosure

• NEMA 1 Indoor or NEMA 3R Outdoor
• Rust resistant aluminum, Powder coated

Quality Assurance

• ISO 9001 Registered Manufacturing Facilities
• Complies with NEMA & UL50; UL 508; IEEE C62.41, C37.90.1; FCC CFR 47 Part 15, Class B; IEC EN 61000 Electromagnetic Capability

Safety Standards

• UL 1008 Listed Automatic Transfer Switches for use in legally required Emergency Systems

Control Features

• New/Advanced TSC 9 Series Transfer Controller with features specifically designed for Commercial ATS applications. User programmable timers, Simple LED interface
• Normal Operation Status LED Lights: Load on Utility & Load on Generator, Utility & Generator Source Available, Engine Start Activated, Load Shed Activated
• Diagnostic LEDs: System OK, Alarm, Wait For Transfer, Diagnostic
• USB Port Factory Programming/Diagnostic
• Voltage sensing on Utility & Generator
• Generator AC frequency sensing
• Utility under voltage control set point 70% dropout (fixed)
• Generator Set points: under voltage 70% dropout (fixed), under frequency 90% pick-up (fixed)
• Engine warm-up timer (Selectable 3 sec, 10 sec, 30 sec, 60 sec)
• Utility return timer (Selectable 3 sec, 10 sec, 60 sec, 120 sec)
• Engine start timer (Selectable 3 sec, 6 sec, 10 sec)
• Engine cool down timer (Selectable 3, 60, 120, 300 sec)
• Integrated Programmable Generator Exercise Timer with easy to configure 7, 14 or 28 day, On-load or Off-load Programmability, initiate pushbutton & light
• Local utility power fail simulation test pushbutton & LED, front faceplate mounted
• Engine start contact (5A, 120/240VAC resistive max.) for 2-wire start generators (optional Universal Generator Interface Kit also available)
• Load Shed contact (5A, 120/240VAC resistive max) for optional automatic load shedding of selected non-essential loads when power source is switched to the generator. (Optional Load Shed Control Kits are also available)
• Alarm Output (100ma, 24Vdc)

DOWNLOADS

TS920 Brochure

TS920 Quick Start Guide

TS920 Manual

TS920 Warranty

OPTIONAL ACCESSORIES

Please see the Accessories Tab for more information and to order.

• Enclosure Heater Kit
• Surge Protection Device
• KW Load Shed Control Kit
• Universal Generator Interface Start Kit