RF Power Switches |
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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 |
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Model 78 Rotary Switch

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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 |
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Model 80 Rotary Switch

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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 |
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Model 85 Rotary Switch

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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 |
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Model 86 Rotary Switch

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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 |
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Model 88 Rotary Switch

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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 |
Coin Silver contact shoes |
Stainless steel detent arms |
Low loss silicone impregnated
steatite stator and shaft |
Tellurium copper sleeve bearings |
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Model 90 Rotary Switch

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MODEL 92 SWITCH
| Specifications |
24,000 V peak flashover at 60 cps |
White glazed steatite spacers |
100 ampere current carrying
capacity |
Black anodized die cast aluminum
support brackets |
Current carrying members heavily
silver plated |
Nylon detent wheel |
Coin Silver contact shoes |
Stainless steel detent arms |
Low loss silicone impregnated
steatite shaft |
Low loss silicone impregnated
steatite stators |
Ball bearings |
Forged copper stator contacts |
Each contact equipped with a
corona shield |
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Model 92 Rotary Switch

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Rotary Switch Options |
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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 |
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. |
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