The Thomson TS870 is a commercial/industrial-grade 400A Automatic Transfer Switch designed to automatically transfer electrical loads between utility power and a standby generator during outages. This unit features a 3-pole configuration, multi-voltage capability (208-600V), and the advanced TSC7320 microprocessor controller with LCD display, event logging, programmable I/O, generator exercising, and Modbus communications. Certified to UL 1008 and CSA C22.2 No. 178 standards, the TS870 is ideal for critical backup power applications in commercial buildings, industrial facilities, healthcare, telecom, and municipal infrastructure.
Specifications
Model
TS873A0400A1CN5EKKA
Condition
New
Other Specifications
Series: TS870
Type: Automatic Transfer Switch
Amperage: 400A
Poles: 3 Pole
Frequency: 50/60 Hz
Voltage Range: 208-600 VAC Multi-Voltage
Phase: 3 Phase
Transfer Type: Open Transition
Controller: TSC7320 Advanced ATS Controller
Display: 2.3″ Backlit LCD
Communications: RS485 Modbus RTU
Enclosure: NEMA 3R
Certification: UL 1008, CSA C22.2 No.178
Continuous Rating: 100% Rated
Utility/Generator Monitoring: Yes
Event Logging: Yes
Generator Exerciser: Yes
Remote Test Capability: Yes
Seismic Certification: Yes
Key Features
Advanced TSC7320 Controller
Backlit LCD display
Utility and generator source monitoring
Event and alarm logging
Programmable inputs and outputs
Remote testing capability
Generator exercise scheduling
PIN-protected programming
Modbus RTU communications
Heavy-Duty Power Switching
Fully enclosed silver alloy contacts
100% continuous current rating
3-cycle withstand current tested
Mechanical interlocking
Brushless gearmotor operation
Front-access maintenance design
Commercial & Industrial Reliability
Suitable for:
Emergency standby power systems
Commercial buildings
Data centers
Healthcare facilities
Manufacturing plants
Municipal infrastructure
Telecommunications facilities
Government buildings
Electrical Ratings
400A Model Ratings
Continuous Current Rating: 400A
Maximum Voltage: 600V
Withstand Rating:
65,000A @ 240V
50,000A @ 480V
35,000A @ 600V
Physical Specifications
Height: 43.1″ (1095 mm)
Width: 34.3″ (873 mm)
Depth: 13″ (330 mm)
Approximate Weight: 227 lbs (103 kg)
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