TCS3P125-22M Automatic Transfer Switch 3 Pole 125 Amp

Description:

The TCS3P125-22M Automatic Transfer Switch is used in standby power systems to automatically transfer electrical loads between utility power and generator power during outages or abnormal voltage conditions. Commonly installed in commercial buildings, telecommunications sites, industrial facilities, and critical infrastructure requiring uninterrupted three-phase power availability. Electricians and generator installers use this switch for automatic generator integration, emergency power systems, and mission-critical load protection. The TCS3P125-22M supports both automatic and manual operation with mechanically held contacts for reliable transfer performance.

Applications:

The TCS3P125-22M automatic transfer switch is commonly used in telecommunications towers, commercial facilities, manufacturing plants, pump stations, and backup generator installations requiring automatic source switching for three-phase electrical systems. Typical applications include emergency generator systems, critical process equipment, cellular communication sites, and industrial facilities where minimizing downtime is essential. The integrated controller supports programmable generator exercise cycles with or without load to maintain generator readiness.

Technical Specifications:

• Manufacturer: Kutai Electronics / MTS Power Products
• Model / Part Number: TCS3P125-22M
• Product Type: Automatic Transfer Switch (ATS)
• Number of Poles: 3 Pole
• Rated Current: 125 Amp
• Rated Operating Voltage: 220 VAC Three Phase
• Operating Voltage Range: 180-270 VAC
• Maximum Switch Voltage: 250 VAC
• Rated Frequency: 50/60 Hz
• Switch Type: Double Throw with Neutral Position
• Transfer Operation: Automatic and Manual
• Contact Type: Electrically Operated, Mechanically Held
• Controller: TC-V2 Digital Controller
• Voltage Monitoring: Over Voltage and Under Voltage Protection
• Adjustable Transfer Delays: 0-99 Seconds Depending on Function
• Generator Exercise Timer: 1 to 4 Weeks, With or Without Load
• Rated Short-Time Current: 3 kA for 1 Second at 250 VAC
• Short Circuit Peak Current: 7.5 kA
• Utilization Category: AC-33A
• Number of Operations: Over 6,000 Operations Under Load
• Operating Temperature: -20°C to +60°C
• Relative Humidity: 95% Maximum
• Switch Dimensions: 167 × 118 × 83 mm
• Switch Weight: 1.39 kg (3.07 lbs)
• Mounting Type: Panel Mount
• Construction Material: UL94V-0 Flame Retardant Plastic Components
• Typical Applications: Generator Backup Systems, Telecom Sites, Commercial Buildings, and Industrial Facilities.

Common Replacements:

• TCS3P150-22M Automatic Transfer Switch
• ASCO Series 185 125A Three Phase ATS
• Generac RTS Series 3 Pole ATS