SEW Phase Rotation Indicator Open Phase Checker with Carry Case ST-850

Condition and Packaging: USED - In-House
Sale Price$204.00 USD
Only 1 unit left
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  • 30 Days Return policy


The SEW Phase Rotation Indicator ST-850 is a critical tool designed for industrial applications where the correct identification and monitoring of phase rotation in electrical systems are paramount. With its advanced features and precision, this indicator ensures that the phase sequence of three-phase electrical systems is accurately determined, providing essential information for proper connection and operation of motors and other equipment.

Equipped with user-friendly features, the ST-850 simplifies the task of identifying phase rotation, contributing to the overall efficiency and safety of electrical installations. Its robust design and reliable performance make it an indispensable tool for electricians, maintenance professionals, and engineers working in diverse industrial settings. Whether used during installation, maintenance, or troubleshooting phases, the SEW Phase Rotation Indicator ST-850 stands as a dependable solution for ensuring the correct and safe operation of electrical systems by promptly identifying and displaying the phase sequence. Users can refer to SEW EURODRIVE's official documentation or consult their customer support for detailed guidelines on the optimal use and integration of the ST-850 in specific industrial contexts.

SEW Phase Rotation Indicator Open Phase Checker with Carry Case ST-850 Features:

  • Voltage: 90V-600V AC
  • Frequency Response: 50 / 60 Hz
  • Operating Temperature & Humidity: 0°C ~ 40°C at 80% Max. Relative Humidity
  • Storage Temperature & Humidity: -10°C ~ 50°C at 90% Max. Relative Humidity
  • Cord: 1.1m each of red(R), white(S) and black(T) cord
  • Dimensions: 134(L) × 85(W) × 45(D)mm
  • Safety Standard: IEC 1010 CAT II 600V

To set the proper expectation, we use different types of packaging for our products.

A. NEW- Manufacturer Packaging

Products with manufacturer's packaging still intact.
We ship these products as is, using the manufacturer's packaging.

B. NEW (New Never Used)Custom Packaging

New products with malformed or scraped packaging
When the manufacturer's packaging suffers defects or scrapes during shipping to our warehouse, we replace it with customized packaging to ensure the safety of the products. Rest assured that these products are brand-new, never used, and thoroughly tested before being shipped.

C. USEDIn-House

The manufacturer's packaging is no longer available
Used products are shipped using in-house packaging. We guarantee that all used products are tested by our licensed electrical engineers before shipping to ensure they are in good condition and fully functional.

We offer a simple 30-day return policy for your added peace of mind. For questions, contact us.

We try our best to accurately describe all listings and the most accurate images are used whenever possible however unless otherwise stated all images are for illustration purposes and reference only.

Some of the boxes maybe dusty and/or torn due to storage on shelves however the items themselves are fine. If the item itself has scuffs or scratches we will clearly state so (although any such wear due to handling is purely superficial and will not interfere with the correct functioning of the device).

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