OPAS Handle Type Changeover Switches — 2P 3P 4P | 40A–100A | AC 240V & 415V Generator Transfer Switch

OPAS Electric — Transfer Switch Series

Handle Type
Changeover Switches

Heavy-duty manual transfer switches for reliable power source changeover between WAPDA/grid and generator. Side-handle mechanism with door interlock, quick make–quick break action, and ISO-tested performance.

AC 23 Rated 240V & 415V 2P · 3P · 4P 40A – 100A

OPAS Handle Type Changeover Switch — Manual Transfer Switch 2P 3P 4P

40–100AAC 23 RATED

AC 23

Utilization Category

2P·3P·4P

Configurations

40–100A

Current Range

ISO

Tested Standard

WAPDA / Grid

Primary power source — mains supply

Changeover Switch

Quick make–quick break · Side handle

Generator

Secondary power source — backup supply

Load / Building

Uninterrupted supply to your facility

Product Highlights

Key Features

Quick make — quick break mechanism

Positive, safe switching action with no intermediate position — prevents simultaneous dual-source connection.

Door interlock & screw lock

Lockable enclosure with door interlock prevents unauthorized access and accidental contact with live components.

Fully assembled & factory tested

Every unit is assembled and tested to ISO standards before dispatch — ready for immediate installation.

Virtually maintenance-free

Robust cam mechanism unaffected by typical vibration and shock — extended operational lifespan with zero servicing.

Convertible to RTSE / ATSE

Can be upgraded to Remote or Automatic Transfer Switch by adding the optional motor module accessory.

Starting link on all ratings

Starting link mounted as standard across all amperage ratings for immediate commissioning.

Where It's Used

Applications

Industrial & Commercial Buildings

Main generator/WAPDA changeover for factories, offices, and large commercial premises.

Hospitals & Data Centres

Mission-critical facilities requiring fast, reliable power source transfer with zero tolerance for failure.

Main LT Panels & Sub-Stations

Primary transfer switching in low-tension distribution panels and electrical sub-stations.

Solar Hybrid Systems

Manual transfer between grid, generator, and solar/battery sources in hybrid power management.

Large Residential Complexes

Reliable grid-to-generator changeover for housing projects and apartment complexes.

Full Model Range

Complete Specifications

OPAS Electric — AC 23 · Side Handle · 50 Hz