Ramson rheostats have many uses in industrial development and scientific work. E.g. Generator field control, Lamp dimming, Vibrator control, Heater and oven temperature control, Motor speed control, Rectifier Control, Voltage regulation, Fan speed control, etc.
Rheostats of 25 watts and higher capacities are wound on densely fired ceramic core. Three terminals are provided for all the rheostats. The rheostats are cement coated to keep the turns of wire in position. The coating is applied in layers and stabilized by baking in furnace.
The resistance wires are selected to give full values of resistance, current carrying capacity and temperature rise. For values of higher resistance and wattage, nickel chrome wire is used where as for lower values copper alloy materials are also used. Generally the wire is wound linearly but according to the specification of the customers the windings can be designed for required deviation.
The wiper contact is made of copper graphite blocks, which assures good contact. It also provides lubrication for close control and lasts longer.
* Rheostat Dimensions
on request
Ramson
Shunt Regulators
Ramson Rheostats are used as Shunt Regulators for Industrial application. These regulators are used for weakening of DC Motor field for Automatic speed control in the Processing industry (E.g.: Textile processing machines, etc)
The standard range
of 100/200 - 400/600 - 800/1000 watts are available in single units, and
in any higher capacity with ganged units. All the above can be supplied
in hand operated type, motor operated type, chain and sprocket driven type
or any other form as per customer's specifications. These equipments can
also be supplied in totally enclosed and open type models. Enclosures are
powder-coated boxes with drip proof protection. Micro - switch with cam
arrangement can be provided for setting the maximum and minimum operating
limits.
Shunt
Regulators Dimensions
| Type | Box Dimensions | Shaft Diameter & Extension |
| 200 | 260 x 210 x 135 mm | 6 x 40 mm |
| 600 | 305 x 240 x 175 mm | 8 x 50 mm |
| 1000 | 320 x 290 x 270 mm | 10 x 60 mm |
Contact us for your requirements at
RAMSON & SONS,
P.O. Box: 1655
Telephone: 91-44-534 0684, 91-44-534 1088
157, Linghi Chetty Street
Tele Fax: 91-44-534 1088 (during office hours)
Chennai - 600 001
Email: vatsa@vsnl.com
Tamil Nadu, India
