MTI - Multi-Tech Industries, Inc. - Manufacturers of Custom Precision Components Since 1969 Call 732.431.0550  
   Home     About Us     Contact Us   
 
Strain Reliefs
Rotary Switches
Ground Fault Units
Directions
 

RF Power Switches

Multi-Tech specializes in RF power applications. Seven models available from 2000 volts/20 amps peak to 24,000 volts/100 amps peak. Insulating materials are L5 grade steatite; all current carrying components are heavy silver plated. All switches are custom made to our customers' specifications. Mil-spec SR05 style sub-miniature and low voltage rotary switches, hardware, and switch components are also available.

MODEL 78 SWITCH

Specifications
2000 volt peak flashover at 60 cps Stainless steel detent assembly
20 ampere current carrying
    capacity
Low loss silicone impregnated
    steatite stators
Current carrying members heavily
     silver plated
Low loss silicone impregnated 
    steatite rotors
Coin silver contact shoes
Model 78 Rotary Switch
Model 78 Rotary Switch

Switch Schematic

MODEL 80 SWITCH

Specifications
4500 volt peak flashover at 60 cps Steatite spacers and stators
10 ampere current carrying
    capacity
Oil impregnated bronze
     sleeve bearing
Current carrying members heavily
     silver plated
Black anodized aluminum
    support bracket
Teflon rotors Stainless steel detent arms
Model 80 Rotary Switch
Model 80 Rotary Switch

Switch Schematic

MODEL 85 SWITCH

Specifications
12,000 V peak flashover at 60 cps White glazed steatite spacers
30 ampere current carrying
    capacity
Nylon detent wheels
Current carrying members heavily
     silver plated
Tellurium copper sleeve bearings
Coin Silver contact shoes Stainless steel detent arm
Low loss silicone impregnated
    steatite stators and shaft
Anodized aluminum shaft and
    rotor bushings
Model 85 Rotary Switch
Model 85 Rotary Switch

Switch Schematic

MODEL 86 NON-SHORTING SWITCH

Specifications
7,000 volt peak flashover at 60 cps White glazed steatite spacers
20 ampere current carrying
    capacity
Low loss silicone impregnated
    steatite rotors
Current carrying members heavily
     silver plated
Nylon detent wheel
Coin Silver contact shoes Stainless steel detent arm
Low loss silicone impregnated
    steatite stators
Black anodized aluminum die cast
    support brackets
Model 86 Rotary Switch
Model 86 Rotary Switch

Switch Schematic

MODEL 88 SWITCH

Specifications
13,000 V peak flashover at 60 cps White glazed steatite spacers
30 ampere current carrying
    capacity
Oil impregnated bronze
    sleeve bearings
Current carrying members heavily
     silver plated
Anodized aluminum shaft
    and rotor bushings
Coin Silver contact shoes Stainless steel detent arms
Low loss silicone impregnated
    steatite stator and shaft
Black anodized aluminum die cast
    support brackets
Nylon detent wheel
Model 88 Rotary Switch
Model 88 Rotary Switch

Switch Schematic

MODEL 90 SWITCH

Specifications
20,000 V peak flashover at 60 cps White glazed steatite spacers
40 ampere current carrying
    capacity
Low loss silicone impregnated
    steatite stators
Current carrying members heavily
     silver plated
Nylon detent wheel
Switches: RotaryCoin Silver contact shoes Stainless steel detent arms
Switches: RotaryLow loss silicone impregnated
    steatite stator and shaft
Switches: RotaryTellurium copper sleeve bearings
Model 90 Rotary Switch
Model 90 Rotary Switch

Switches: Rotary

MODEL 92 SWITCH

Specifications
Switches: Rotary24,000 V peak flashover at 60 cps Switches: RotaryWhite glazed steatite spacers
Switches: Rotary100 ampere current carrying
    capacity
Black anodized die cast aluminum
    support brackets
Switches: RotaryCurrent carrying members heavily
     silver plated
Switches: RotaryNylon detent wheel
Switches: RotaryCoin Silver contact shoes Switches: RotaryStainless steel detent arms
Switches: RotaryLow loss silicone impregnated
    steatite shaft
Switches: RotaryLow loss silicone impregnated
    steatite stators
Switches: RotaryBall bearings Switches: RotaryForged copper stator contacts
Switches: RotaryEach contact equipped with a
    corona shield
Model 92 Rotary Switch
Model 92 Rotary Switch

Switch Schematic

Rotary Switch Options

Multi-Tech RF Power Switches can be configured in an infinite number of variations for each specific requirement.   Most switches can be customized to provide special shaft lengths and features such as flats and keyways.  Depending upon the switch model, there can be a total of up to eight decks (or wafers) per switch, each deck having a unique number of positions and rotor styles.  For special space requirements, most switch models can be provided with custom length spacers between decks to offer greater flexibility of design.
Model 86 Rotary Switch
Model 86 Rotary Switch

Features

The following list depicts the special features that can be specified at the the customer's request:
(1)      Shaft materials:   Nickel-silver, stainless steel, or G10 epoxy fiberglass
(2)      Detent wheels:   Nylon or cold-rolled steel
(3)      Detent rollers:   Nylon or stainless steel
(4)      Shaft features:   Flatted, keyed, slotted
(5)      Wafer contacts:   Shorting and non-shorting (standard)
(6)      Spacers:   Custom lengths
(7)      Mounting brackets:   Aluminum, cold-rolled steel, or nylon
(8)      Contact Plating:   Silver, gold, or rhodium

Pricing

Please provide the following information to receive  a current price quotation and delivery date:
(1)      Switch model  (80, 85, 86, etc.)
(2)      Number of decks
(3)      Number of positions (contacts) per deck (specify if shorting)
(4)      Rotor style  (refer to switch specification drawings for available styles)
(5)      Detent style  (30, 60, or 90 degree indexing)
(6)      Custom features  (shaft lengths, shaft flats, special spacing, etc.)

Note:   All switches are custom-made to order.  All orders are non-cancelable and non-refundable.