The Phase Sequence Indicator UT-261A is a professional electrical testing instrument designed to identify phase sequence and detect missing phases in three-phase power systems. It helps electricians and maintenance technicians verify correct phase rotation before connecting motors, pumps, compressors, and industrial equipment, reducing the risk of reverse rotation and equipment damage. With a wide voltage measurement range and durable industrial construction, it is ideal for electrical maintenance, industrial installations, and troubleshooting applications.

Key Features

• Detects phase sequence in three-phase electrical systems
• Identifies missing phase conditions for safer troubleshooting
• Wide AC voltage testing range for industrial applications
• Supports frequency measurement across broad operating ranges
• LCD indication for clear phase sequence display
• Durable impact-resistant housing for field and industrial use
• No battery required for operation
• Suitable for motors, HVAC systems, generators, and power distribution testing

Specifications

1. Model: UT-261A
2. Product Type: Phase sequence indicator
3. Application: Three-phase electrical testing and maintenance
4. AC Voltage Range: 40V – 690V AC
5. Frequency Range: 15Hz – 400Hz
6. Working Current: Less than 1mA
7. Display Type: LCD phase sequence indication
8. Missing Phase Detection: Supported
9. Power Supply: Powered directly from measured device (no battery required)
10. Safety Category: CAT III 600V
11. Protection Rating: IP40
12. Dimensions: 123 mm × 71 mm × 29 mm
13. Usage: Industrial electrical systems, motor installation, and power troubleshooting