Download the specifications of PSW100L Self-Powered Protection Device Transformers

Product Description

The PSW100L Self-powered Protection Device is developed according to the habits of domestic users and is designed for small urban and rural substations, switchgear cabinets in switchgear stations, and switchgear cabinets inside cable line Ring Main Units. It is used for quick-break, overcurrent, and grounding protection of terminal lines and electrical equipment.

Product Features

• Adopts an LCD display interface      with multi-layer menu display for highly convenient human-machine      interaction.

• Compact and lightweight, suitable      for compact switchgear cabinets and Ring Main Units (RMUs).

• Supports positive/reverse time      limit settings, offers flexible and convenient adjustment, a wide      application range, avoiding protection dead zones.

• Locally stores up to 100 event      records, allowing on-site fault status diagnosis via a USB interface.

• Equipped with an RS-485      interface, expandable for integration with SCADA systems.

• Ensures stable and reliable      performance with a self-diagnosis function, avoiding the need for manual      maintenance.

• Supports both dry-contact and      wet-contact tripping outputs, providing diverse selection options.

• Supports two sets of digital      inputs, allowing the expansion of protection for two circuit breakers,      enhancing device efficiency.

• Supports power supply from 220VAC      or 24/48VDC, as well as CT power supply.

Main Parameters

Notes:

1. Default, customizable

2. Primary rated value of the      current transformer

3. Supports three types of power      supply options

Outline Dimensions

The device enclosure is made of a sealed aluminum alloy case with an L-shaped vertical structure. The fixing components are detachable for easy installation.

Terminal wiring diagram

Note:

For AC input, the wiring diagram shows a three-phase input mode. It also supports a two-phase input mode, in which the unused phase terminals should be short-circuited.