S D Engineering

We are engaged in offering Rotary Auxiliary Switches to our clients. Our range of all products is widely appreciated by our clients.

A Remote/Local control selector switch can often be situated in proximity to the controlled plant  and allow an operator to take control locally and avoid the need to interact or accept remote supervisory commands.

Breaker Control SwitchesRotary Cam Switches

Breaker Control switches are used for tripping or closing of 

breakers either locally or from remote location. These switches 

offers advantage of having unlimited compabinations of switching 

angles and indexing angles with stay put and spring return 

momentary contacts. Lost motion contact can be cascaded, used for 

additional protection or for activating annuciator. The switches are modular in design hence multiple poles can be achieved as per demand of application.

Application

The Isolator Switch is used for isolating DC source coming from Photo Voltaic Arrays to grid-connect inverters. Positioned adjacent to the inverter, this Isolater switch is required to provide a means of manually isolating the entire PV array during system installation or any subsequent maintenance. It provides the benefit of isolating DC as well as circuits with the same single switch. Thus simplifying and reducing the number of devices in the installation.
Photo voltaic installations are to be equipped with DC-isolators according to IEC-60364-7-712 / IEC 60947. Switch disconnectors (SI) ensures a reliable switching for 16A @ 1000v and @600V for DC21B utilization category.

Features & Specification

• Switch designs are aesthetically pleasant and functionally robust. Flame retardant engineering plastic is used for heavy duty working
• Silver plated wiping self-cleaning contacts are used for longer life
•  IP 65 protection helps it to withstand extreme and polluted environmental conditions under PD3
• Various mounting options like Din Rail, Front panel single hole and Rear mounting are available
• Combination of DC and AC is available in the same switch. This reduces the number of devices in the circuit.

Attractive combination of colours for Knob, Handle & Escutcheon plates.
Superior insulating material ensures electrical & mechanical stability.